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EzCad2.5.3狗驱动

  • AVR mega16开发板恩易

    AVR mega16开发板 联系  杨迪 15336417867  0531-55508458 QQ:1347978253  http://www.easyele.cn本产品是我公司自主研发生产的,AVR Mega16开发板是以ATMEL的Mega16单片机为核心,高性能低定价的单片机开发工具,产品集成AVR JTAG ICE仿真器和STK500 ISP编程器,用户只需要再拥有一台计算机即可进行系统的学习,操作简单,使用方便,兼容开发型号:ATmega32,AVR mega16开发板可以做为学习板 仿真器 编程器使用,三种功能与一体,不需要单独买仿真器 编程器,省时,省事,省钱。货号:EasyAVR-M16规格: 套 重量:400克  单价298/套。AVR mega16开发板板载资源: 1.5V供电接口,输入7~9V 内正外负,送电源 2.板载AVR JTAG ICE  USB接口 3.板载AVR ISP  USB接口 4.Atmega16芯片,片内资源丰富 5.USB1.1 通讯接口 6.RS232 串行通讯口 7.RS485通讯接口 8.8个独立按键 9.4位一体七段数码管 HC595驱动 10.8个独立LED 11.1路有源蜂鸣器,也可接无源蜂鸣器 12.实时钟PCF8563 13.1IIC总线EEPROM AT24c01 14.1-wire单总线 15.晶振和复位电路 16.可选的有源晶振电路 17.AD电压调整电位器 18.电位器参考电压和待测电压调整 19.4个8位拨码开关 20.32Pin MCU外接端子 所有引脚标注 21.12864液晶接口 22.1602液晶接口 23.标准KF396尼龙接线端子 24.透明防滑硅胶脚垫 AVR mega16开发板实验例程: 模数转换(AD): 单通道AD采集,七段数码管显示结果 双通道分时采集,利用串口将结果传至PC 蜂鸣器: 按键检测,蜂鸣器鸣叫  PCF8563定时,蜂鸣器1s鸣叫一次 键盘:  按键检测,蜂鸣器鸣叫  按键检测,LED显示 LED:  跑马灯程序  按键检测,LED显示 定时器: 定时器T1实现1秒定时,利用七段数码管显示 内部EEPROM: 利用EEPROM记录开机次数,七段数码管显示结果 WDT: 看们狗定时器简单实验 DS18B20: DS18B20检测温度,七段数码管显示结果 DS18B20检测温度,利用串口将结果传至PC SPI: 利用SPI驱动SPI器件74HC595,实现七段数码管的显示 TWI: 利用TWI驱动TWI器件24C01 利用TWI驱动TWI器件PCF8563 24C01: 24C01读写,利用JTAG察看结果 24C01读写,利用串口将结果传至PC   AVR mega16开发板说明书下载:EasyAVR-M16-SK-3in1.pdf,内容详细,让您学习起来事半功倍,深入了解单片机电路的设计,找到好工作没问题,详细介绍电路设计和如果学习开发等内容,即使不买板子也值得你收藏。 物品清单: 1.AVR mega16开发板 (板载JTAG ISP 二合一) 2.9V 直流电源 3.USB通讯线缆 4.开发板说明书 5.资料光盘 原理图 开发软件 范例程序

    标签: mega AVR 16 开发板

    上传时间: 2013-10-23

    上传用户:dancnc

  • P87LPC767 OTP 单片机原理

    P87LPC767 OTP 单片机原理 P87LPC767 是20 脚封装的单片机适合于许多要求高集成度低成本的场合可以满足许多方面的性能要求作为Philips 小型封装系列中的一员P87LPC767 提供高速和低速的晶振和RC 振荡方式可编程选择具有较宽的操作电压范围可编程I/O 口线输出模式选择可选择施密特触发输入LED 驱动输出有内部看门狗定时器P87LPC767 采用80C51 加速处理器结构指令执行速度是标准80C51 MCU 的两倍特性􀂑 操作频率为20MHz 时除乘法和除法指令外加速80C51 指令执行时间为300600ns VDD=4.5 5.5V 时时钟频率可达20MHz VDD=2.7 4.5V 时时钟频率最大为10MHz􀂑 4 通道多路8 位A/D 转换器在振荡器频率fosc=20MHz 时转换时间为9.3μs􀂑 用于数字功能时操作电压范围为2.7 6.0V􀂑 4K 字节OTP 程序存储器128 字节的RAM 32Byte 用户代码区可用来存放序列码及设置参数􀂑 2 个16 位定时/计数器每一个定时器均可设置为溢出时触发相应端口输出􀂑 内含 2 个模拟比较器􀂑 全双工通用异步接收/发送器UART 及I2C 通信接口􀂑 八个键盘中断输入另加2 路外部中断输入􀂑 4 个中断优先级􀂑 看门狗定时器利用片内独立振荡器,无需外接元件,看门狗定时器溢出时间有8 种选择􀂑 低电平复位使用片内上电复位时不需要外接元件􀂑 低电压复位选择预设的两种电压之一复位可在掉电时使系统安全关闭也可将其设置为一个中断源􀂑 振荡器失效检测看门狗定时器具有独立的片内振荡器因此它可用于振荡器的失效检测􀂑 可配置的片内振荡器及其频率范围和RC 振荡器选项(用户通过对EPROM 位编程选择) 选择RC 振荡器时不需外接振荡器件􀂑 可编程 I/O 口输出模式准双向口,开漏输出,上拉和只有输入功能可选择施密特触发输入􀂑 所有口线均有20mA 的驱动能力􀂑 可控制口线输出转换速度以降低EMI,输出最小上升时间约为10ns􀂑 最少 15 个I/O 口,选择片内振荡和片内复位时可多达18 个I/O 口􀂑 如果选择片内振荡及复位时,P87LPC767 仅需要连接电源线和地线􀂑 串行 EPROM 编程允许在线编程2 位EPROM 安全码可防止程序被读出􀂑 空闲和掉电两种省电模式提供从掉电模式中唤醒功能低电平中断输入启动运行典型的掉电电流为1μA􀂑 低功耗 4MHz-20MHz,1.7-10mA@3.3v 100KHz-4MHz,0.044-1.7mA@3.3v 20KHz-100KHz,9-44μA@3.3v􀂑 20 脚DIP 和SO 封装

    标签: P87 767 LPC OTP

    上传时间: 2013-11-06

    上传用户:xcy122677

  • 3-V TO 5.5-V MULTICHANNEL RS-2

    The MAX3243E device consists of three line drivers, five line receivers, and a dual charge-pump circuit with±15-kV ESD (HBM and IEC61000-4-2, Air-Gap Discharge) and ±8-kV ESD (IEC61000-4-2, Contact Discharge)protection on serial-port connection pins. The device meets the requirements of TIA/EIA-232-F and provides theelectrical interface between an asynchronous communication controller and the serial-port connector. Thiscombination of drivers and receivers matches that needed for the typical serial port used in an IBM PC/AT, orcompatible. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-Vsupply. In addition, the device includes an always-active noninverting output (ROUT2B), which allowsapplications using the ring indicator to transmit data while the device is powered down. The device operates atdata signaling rates up to 250 kbit/s and a maximum of 30-V/ms driver output slew rate.

    标签: MULTICHANNEL 5.5 TO RS

    上传时间: 2013-10-19

    上传用户:ddddddd

  • PIC单片机设计电子密码锁

    介绍用PIC16F84单片机制作的电子密码锁。PIC16F84单片机共18个引脚,13个可用I/O接口。芯片内有1K×14的FLASHROM程序存储器,36×8的静态RAM的通用寄存器,64×8的EEPROM的数据存储器,8级深度的硬堆栈。 用PIC单片机设计的电子密码锁微芯公司生产的PIC8位COMS单片机,采用类RISC指令集和哈弗总线结构,以及先进的流水线时序,与传统51单片机相比其在速度和性能方面更具优越性和先进性。PIC单片机的另一个优点是片上硬件资源丰富,集成常见的EPROM、DAC、PWM以及看门狗电路。这使得硬件电路的设计更加简单,节约设计成本,提高整机性能。因此PIC单片机已成为产品开发,尤其是产品设计和研制阶段的首选控制器。本文介绍用PIC16F84单片机制作的电子密码锁。PIC16F84单片机共18个引脚,13个可用I/O接口。芯片内有1K×14的FLASHROM程序存储器,36×8的静态RAM的通用寄存器,64×8的EEPROM的数据存储器,8级深度的硬堆栈。硬件设计  电路原理见图1。Xx8位数据线接4x4键盘矩阵电路,面板布局见表1,A、B、C、D为备用功能键。RA0、RA7输出4组编码二进制数据,经74LS139译码后输出逐行扫描信号,送RB4-RB7列信号输入端。余下半个139译码器动扬声器。RB2接中功率三极管基极,驱动继电器动作。有效密码长度为4位,根据实际情况,可通过修改源程序增加密码位数。产品初始密码为3345,这是一随机数,无特殊意义,目的是为防止被套解。用户可按*号键修改密码,按#号键结束。输入密码并按#号确认之后,脚输出RB2脚输出高电平,继电器闭合,执行一次开锁动作。  若用户输入的密码正确,扬声器发出一声稍长的“滴”提示声,若输入的密码与上次修改的不符,则发出短促的“滴”声。连续3次输入密码错误之后,程序锁死,扬声器报警。直到CPU被复位或从新上电。软件设计  软件流程图见图3。CPU上电或复位之后将最近一次修改并保存到EEPROM的密码读出,最为参照密匙。然后等待用户输入开锁密码。若5分钟以内没有接受到用户的任何输入,CPU自动转入掉电模式,用户输入任意值可唤醒CPU。每次修改密码之后,CPU将新的密码存入内部4个连续的EEPROM单元,掉电后该数据任有效。每执行一次开锁指令,CPU将当前输入密码与该值比较,看是否真确,并给出相应的提示和控制。布     局  所有元件均使用SMD表贴封装,缩小体积,便于产品安装,60X60双面PCB板,顶层是一体化输入键盘,底层是元件层。成型后的产品体积小巧,能很方便的嵌入防盗铁门、保险箱柜。

    标签: PIC 单片机设计 电子密码锁

    上传时间: 2013-10-31

    上传用户:uuuuuuu

  • 单片机外围线路设计

    当拿到一张CASE单时,首先得确定的是能用什么母体才能实现此功能,然后才能展开对外围硬件电路的设计,因此首先得了解每个母体的基本功能及特点,下面大至的介绍一下本公司常用的IC:单芯片解决方案• SN8P1900 系列–  高精度 16-Bit  模数转换器–  可编程运算放大器 (PGIA)•  信号放大低漂移: 2V•  放大倍数可编程: 1/16/64/128  倍–  升压- 稳压调节器 (Charge-Pump Regulator)•  电源输入: 2.4V ~ 5V•  稳压输出: e.g. 3.8V at SN8P1909–  内置液晶驱动电路 (LCD Driver)–  单芯片解决方案 •  耳温枪  SN8P1909 LQFP 80 Pins• 5000 解析度量测器 SN8P1908 LQFP 64 Pins•  体重计  SN8P1907 SSOP 48 Pins单芯片解决方案• SN8P1820 系列–  精确的12-Bit  模数转换器–  可编程运算放大器 (PGIA)• Gain Stage One: Low Offset 5V, Gain: 16/32/64/128• Gain Stage One: Low Offset 2mV, Gain: 1.3 ~ 2.5–  升压- 稳压调节器•  电源输入: 2.4V ~ 5V•  稳压输出: e.g. 3.8V at SN8P1829–  内置可编程运算放大电路–  内置液晶驱动电路 –  单芯片解决方案 •  电子医疗器 SN8P1829 LQFP 80 Pins 高速/低功耗/高可靠性微控制器• 最新SN8P2000 系列– SN8P2500/2600/2700 系列– 高度抗交流杂讯能力• 标准瞬间电压脉冲群测试 (EFT): IEC 1000-4-4• 杂讯直接灌入芯片电源输入端• 只需添加1颗 2.2F/50V 旁路电容• 测试指标稳超 4000V (欧规)– 高可靠性复位电路保证系统正常运行• 支持外部复位和内部上电复位• 内置1.8V 低电压侦测可靠复位电路• 内置看门狗计时器保证程序跳飞可靠复位– 高抗静电/栓锁效应能力– 芯片工作温度有所提高: -200C ~ 700C     工规芯片温度: -400C ~ 850C 高速/低功耗/高可靠性微控制器• 最新 SN8P2000 系列– SN8P2500/2600/2700 系列– 1T  精简指令级结构• 1T:  一个外部振荡周期执行一条指令•  工作速度可达16 MIPS / 16 MHz Crystal–  工作消耗电流 < 2mA at 1-MIPS/5V–  睡眠模式下消耗电流 < 1A / 5V额外功能• 高速脉宽调制输出 (PWM)– 8-Bit PWM up to 23 KHz at 12 MHz System Clock– 6-Bit PWM up to 93 KHz  at 12 MHz System Clock– 4-Bit PWM up to 375 KHz  at 12 MHz System Clock• 内置高速16 MHz RC振荡器 (SN8P2501A)• 电压变化唤醒功能• 可编程控制沿触发/中断功能– 上升沿 / 下降沿 / 双沿触发• 串行编程接口

    标签: 单片机 线路设计

    上传时间: 2013-10-21

    上传用户:jiahao131

  • 24c16读写驱动程序

    24c16读写驱动程序,//=-------------------------------------------------------------------------------/*模块调用:读数据:read(unsigned int address)写数据:write(unsigned int address,unsigned char dd)   dd为要写的 数据字节*///------------------------------------------------------------------------------ sbit sda=P3^0;sbit scl=P3^1; sbit a0=ACC^0;                  //定义ACC的位,利用ACC操作速度最快sbit a1=ACC^1;sbit a2=ACC^2;sbit a3=ACC^3;sbit a4=ACC^4;sbit a5=ACC^5;sbit a6=ACC^6;sbit a7=ACC^7; //------------------------------------------------------------------------------#pragma disablevoid s24(void)                 //起始函数{_nop_();    scl=0;     sda=1;    scl=1;    _nop_();    sda=0;    _nop_();    _nop_();    scl=0;     _nop_();    _nop_();    sda=1;} //------------------------------------------------------------------------------#pragma disablevoid p24(void)                 //停止函数{sda=0;    scl=1;    _nop_();    _nop_();    sda=1;} //-----------------------------------------------------------------------------#pragma disableunsigned char rd24(void) /////////////////从24c16读一字节数据{       ACC=0x00;sda=1;scl=1;a7=sda;_nop_();_nop_();_nop_();_nop_();scl=0;scl=1;a6=sda;_nop_();_nop_();_nop_();_nop_();scl=0;scl=1;a5=sda;_nop_();_nop_();_nop_();_nop_();scl=0;scl=1;a4=sda;_nop_();_nop_();_nop_();_nop_();scl=0;scl=1;a3=sda;_nop_();_nop_();_nop_();_nop_();scl=0;scl=1;a2=sda;_nop_();_nop_();_nop_();_nop_();scl=0;scl=1;a1=sda;_nop_();_nop_();_nop_();_nop_();scl=0;scl=1;a0=sda;_nop_();_nop_();_nop_();_nop_();scl=0;sda=1;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0; /// ///////////////24c16的一位回答位。return(ACC);}//------------------------------------------------------------------------------#pragma disablevoid wd24(unsigned char dd) ////////////////向24c16写一字节数据{      sda=1;ACC=dd;sda=a7;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0;sda=a6;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0;sda=a5;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0;sda=a4;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0;sda=a3;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0;sda=a2;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0;sda=a1;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0;sda=a0;scl=1;_nop_();_nop_();_nop_();_nop_();scl=0;sda=0;scl=1;//scl=0;(在下面程序中)}//---------------------------------------------------------------------------#pragma disableunsigned char read(unsigned int address){unsigned char dd;    s24();                        ////////////////////////开始条件    wd24(0xa0);                /////////////////////////写器件地址(写命令)     _nop_();_nop_();_nop_();_nop_();      scl=0;                        ///////////////////////////////////接收器件地址确认信号    wd24(address);                //////////////////////////// 写数据地址    _nop_();_nop_();_nop_();_nop_();    scl=0;s24();                             ///////////////////////////////////开始条件    wd24(0xa1);                 /////////////////////////////写器件地址(读命令)    scl=0;    dd=rd24();              //////////////////////////////////读 一字节    p24();                   ////////////////////////////////////停止条件    return(dd);}//------------------------------------------------------------------------------#pragma disablevoid write(unsigned int address,unsigned char dd){s24();                        /////////////////开始条件    wd24(0xa0);            ////////////////////////写器件地址;    scl=0;     wd24(address);              /////////////////////写数据地址    scl=0;    wd24(dd);                  //////////////////////////写dd数据    scl=0;    p24();                      /////////////////////////停止条件;  }          

    标签: 24c16 读写 驱动程序

    上传时间: 2013-11-18

    上传用户:墙角有棵树

  • 带I2C串行CMOS EEPROM、精密复位控制器和看门狗定

    带I2C串行CMOS EEPROM、精密复位控制器和看门狗定时器的监控电路 特性􀂄 看门狗监控SDA信号 (CAT1161)􀂄 兼容400KHz 的I2C总线􀂄 操作电压范围为2.7V~6.0V􀂄 低功耗CMOS 技术􀂄 16 字节的页写缓冲区􀂄 内置误写保护电路-Vcc锁定-写保护管脚WP􀂄 复位高电平或低电平有效-精确的电源电压监控-支持5V,3.3V 和3V 的系统-5个复位门槛电压可供选择􀂄 1,000,000个编程/擦除周期􀂄 手动复位􀂄 数据可保存100 年􀂄 8 脚DIP 封装或8 脚SOIC 封装􀂄 商业和工业级温度范围描述CAT1161/2 为基于微控器的系统提供了一个完整的存储器和电源监控解决方案。它们利用低功耗CMOS技术将16k带硬件存储器写保护功能的串行EEPROM 存储器、用于掉电保护的电源监控电路和一个看门狗定时器集成到一块芯片上。存储器采用I2C 总线接口。当系统由于软件或硬件干扰而被终止或“挂起”时,1.6 秒的看门狗电路将复位系统,使系统恢复正常。CAT1161的看门狗电路监控着SDA,这就可以省去额外的PC板跟踪电路。低价位的CAT1162不含看门狗定时器。电源监控和复位电路可在系统上电/下电时保护存储器和系统控制器,防止掉电条件的产生。CAT1161/2的5个门槛电压可支持5V、3.3V和3V的系统。一旦电源电压超出范围,复位信号有效,禁止微控制器、ASIC或外围器件继续工作。复位信号在电源电压超过复位门槛电压后的200ms内仍保持有效。由于带有高电平和低电平复位信号,因此CAT1161/2可以很方便地连接到微控制器和其它IC。另外,复位管脚还可用作手动按键复位的去抖输入。 CAT1161/2 的存储器构造成16字节的页。除此之外,写保护管脚WP和VCC 检测电路提供的硬件数据保护功能可防止在Vcc降到低于复位门槛电压或上电时Vcc上升到复位门槛电压之前对存储器的写操作。器件包含8脚DIP和表贴8脚SOIC两种封装形式。

    标签: EEPROM CMOS I2C 串行

    上传时间: 2014-03-19

    上传用户:虫虫虫虫虫虫

  • I2C总线驱动程序

    1 /**————————————————————2 〖说明〗I2C总线驱动程序(用两个普通IO模拟I2C总线)3 包括100Khz(T=10us)的标准模式(慢速模式)选择,4 和400Khz(T=2.5us)的快速模式选择,5 默认11.0592Mhz的晶振。6 〖文件〗PCF8563T.C ﹫2001/11/2 77 〖作者〗龙啸九天 c51@yeah.net http://www.c51bbs.co /8 〖修改〗修改建议请到论坛公布 http://www.c51bbs.co m9 〖版本〗V1.00A Build 080310 —————————————————————*/1112 #ifndef SDA13 #define SDA P0_014 #define SCL P0_115 #endif1617 extern uchar SystemError;1819 #define uchar unsigned char20 #define uint unsigned int21 #define Byte unsigned char22 #define Word unsigned int23 #define bool bit24 #define true 125 #define false 02627 #define SomeNOP(); _nop_();_nop_();_nop_();_nop_();2829 /**--------------------------------------------------------------------------------30 调用方式:void I2CStart(void) ﹫2001/07/0 431 函数说明:私有函数,I2C专用32 ---------------------------------------------------------------------------------*/33 void I2CStart(void)34 {35 EA=0;36 SDA=1; SCL=1; SomeNOP();//INI37 SDA=0; SomeNOP(); //START38 SCL=0;39 }4041 /**--------------------------------------------------------------------------------42 调用方式:void I2CStop(void) ﹫2001/07/0 443 函数说明:私有函数,I2C专用44 ---------------------------------------------------------------------------------*/45 void I2CStop(void)46 {47 SCL=0; SDA=0; SomeNOP(); //INI48 SCL=1; SomeNOP(); SDA=1; //STOP49 EA=1;50 }5152 /**--------------------------------------------------------------------------------53 调用方式:bit I2CAck(void) ﹫2001/07/0 454 函数说明:私有函数,I2C专用,等待从器件接收方的应答55 ---------------------------------------------------------------------------------*/56 bool WaitAck(void)57 {58 uchar errtime=255;//因故障接收方无ACK,超时值为255。59 SDA=1;SomeNOP();60 SCL=1;SomeNOP();61 while(SDA) {errtime--; if (!errtime) {I2CStop();SystemError=0x11;return false;}}62 SCL=0;63 return true;

    标签: I2C 总线 驱动程序

    上传时间: 2014-04-11

    上传用户:xg262122

  • PIC系列单片机手册

    PIC系列单片机手册 第1 章 简介 1-1简介 ................................................................................................................................................................. 1-2本手册的宗旨 ................................................................................................................................................... 1-3器件结构 .......................................................................................................................................................... 1-4开发支持 .......................................................................................................................................................... 1-6器件种类 .......................................................................................................................................................... 1-7格式和符号的约定 ......................................................................................................................................... 1-12相关文档 ........................................................................................................................................................ 1-14相关应用笔记 ................................................................................................................................................. 1-17版本历史 ........................................................................................................................................................ 1-18第2 章 振荡器 2-1简介 ................................................................................................................................................................. 2-2振荡器配置 ...................................................................................................................................................... 2-2晶体振荡器 / 陶瓷谐振器 ................................................................................................................................. 2-4外部RC 振荡器 ............................................................................................................................................. 2-124MHz 内部 RC 振荡器 ................................................................................................................................... 2-13休眠模式对片内振荡器的影响 ........................................................................................................................ 2-17器件复位对片内振荡器的影响 ........................................................................................................................ 2-17设计技巧 ........................................................................................................................................................ 2-18相关应用笔记 ................................................................................................................................................. 2-19版本历史 ........................................................................................................................................................ 2-20第3 章 复位 3-1简介 ................................................................................................................................................................. 3-2上电复位、上电延时定时器、 起振定时器、欠压复位和奇偶校验错误复位 ...................................................... 3-4寄存器和状态位的值 ...................................................................................................................................... 3-10设计技巧 ........................................................................................................................................................ 3-16相关应用笔记 ................................................................................................................................................. 3-17版本历史 ........................................................................................................................................................ 3-18 第4 章 架构 4-1简介 ................................................................................................................................................................. 4-2时序图/ 指令周期 ............................................................................................................................................ 4-5指令流/ 流水线 ................................................................................................................................................ 4-6I/O 端口描述 .................................................................................................................................................... 4-7设计技巧 ........................................................................................................................................................ 4-12相关应用笔记 ................................................................................................................................................. 4-13版本历史 ........................................................................................................................................................ 4-14 第5 章 CPU 和ALU 5-1简介 ................................................................................................................................................................. 5-2指令的一般格式 ............................................................................................................................................... 5-4中央处理单元(CPU) .................................................................................................................................... 5-4指令时钟 .......................................................................................................................................................... 5-4算术逻辑单元(ALU) .................................................................................................................................... 5-5状态寄存器 ...................................................................................................................................................... 5-6OPTION_REG 寄存器 ..................................................................................................................................... 5-8电源控制寄存器 ............................................................................................................................................... 5-9设计技巧 ........................................................................................................................................................ 5-10相关应用笔记 ................................................................................................................................................. 5-11版本历史 ........................................................................................................................................................ 5-12第6 章 存储器构成 6-1简介 ................................................................................................................................................................. 6-2程序存储器构成 ............................................................................................................................................... 6-2数据存储器构成 ............................................................................................................................................... 6-8初始化 ........................................................................................................................................................... 6-14设计技巧 ........................................................................................................................................................ 6-16相关应用笔记 ................................................................................................................................................. 6-17版本历史 ........................................................................................................................................................ 6-18第7 章 数据EEPROM 7-1简介 ................................................................................................................................................................. 7-2控制寄存器 ...................................................................................................................................................... 7-3EEADR ............................................................................................................................................................ 7-4EECON1 和EECON2 寄存器 .......................................................................................................................... 7-4从EEPROM 数据存储器中读数据 .................................................................................................................... 7-5向EEPROM 数据存储器中写数据 .................................................................................................................... 7-5写校验 ............................................................................................................................................................. 7-6误写操作保护 ................................................................................................................................................... 7-7代码保护配置下的数据EEPROM 操作 ............................................................................................................. 7-7初始化 ............................................................................................................................................................. 7-7设计技巧 .......................................................................................................................................................... 7-8相关应用笔记 ................................................................................................................................................... 7-9版本历史 ........................................................................................................................................................ 7-10第8 章 中断 8-1简介 ................................................................................................................................................................. 8-2控制寄存器 ...................................................................................................................................................... 8-5中断响应延时 ................................................................................................................................................. 8-10INT 和外部中断 .............................................................................................................................................. 8-10中断的现场保护 ............................................................................................................................................. 8-11初始化 ........................................................................................................................................................... 8-14设计技巧 ........................................................................................................................................................ 8-16相关应用笔记 ................................................................................................................................................. 8-17版本历史 ........................................................................................................................................................ 8-18第9 章 I/O 端口 9-1简介 ................................................................................................................................................................. 9-2PORTA 和TRISA 寄存器 ................................................................................................................................ 9-4PORTB 和TRISB 寄存器 ................................................................................................................................ 9-6PORTC 和TRISC 寄存器 ................................................................................................................................ 9-8PORTD 和TRISD 寄存器 ................................................................................................................................ 9-9PORTE 和TRISE 寄存器 ............................................................................................................................... 9-10PORTF 和 TRISF 寄存器 ............................................................................................................................... 9-11PORTG 和TRISG 寄存器 .............................................................................................................................. 9-12GPIO 和TRISGP 寄存器 ............................................................................................................................... 9-13I/O 编程注意事项 ........................................................................................................................................... 9-14初始化 ........................................................................................................................................................... 9-16设计技巧 ........................................................................................................................................................ 9-17相关应用笔记 ................................................................................................................................................. 9-19版本历史 ........................................................................................................................................................ 9-20第10 章 并行从动端口 10-1简介 ............................................................................................................................................................... 10-2控制寄存器 .................................................................................................................................................... 10-3操作 ............................................................................................................................................................... 10-4休眠模式下的操作 ......................................................................................................................................... 10-5复位的影响 .................................................................................................................................................... 10-5PSP 波形 ....................................................................................................................................................... 10-5设计技巧 ........................................................................................................................................................ 10-6相关应用笔记 ................................................................................................................................................. 10-7版本历史 ........................................................................................................................................................ 10-8 第11 章 TIMER0 11-1简介 ............................................................................................................................................................... 11-2控制寄存器 .................................................................................................................................................... 11-3操作 ............................................................................................................................................................... 11-4TMR0 中断 .................................................................................................................................................... 11-5Timer0 外部时钟的使用 ................................................................................................................................. 11-6TMR0 的预分频器 ......................................................................................................................................... 11-7设计技巧 ...................................................................................................................................................... 11-10相关应用笔记 ............................................................................................................................................... 11-11版本历史 ...................................................................................................................................................... 11-12第12 章 TIMER1 12-1简介 ............................................................................................................................................................... 12-2控制寄存器 .................................................................................................................................................... 12-3Timer1 工作在定时器模式 ..............................................................................................................................12-4Timer1 工作在同步计数器模式 ....................................................................................................................... 12-4Timer1 工作在异步计数器模式 ....................................................................................................................... 12-5Timer1 振荡器 ............................................................................................................................................... 12-7休眠操作 ........................................................................................................................................................ 12-9用CCP 触发器的输出将Timer1 复位 ............................................................................................................. 12-9Timer1 寄存器(TMR1H:TMR1L)的复位 .................................................................................................... 12-9Timer1 预分频器 ............................................................................................................................................ 12-9初始化 ......................................................................................................................................................... 12-10设计技巧 ...................................................................................................................................................... 12-12相关应用笔记 ............................................................................................................................................... 12-13版本历史 ...................................................................................................................................................... 12-14第13 章 TIMER2 13-1简介 ............................................................................................................................................................... 13-2控制寄存器 .................................................................................................................................................... 13-3定时器时钟源 ................................................................................................................................................. 13-4定时器TMR2 和PR2 周期寄存器 .................................................................................................................. 13-4TMR2 匹配输出 ............................................................................................................................................. 13-4将Timer2 的预分频器和后分频器清零 ........................................................................................................... 13-4休眠操作 ........................................................................................................................................................ 13-4初始化 ........................................................................................................................................................... 13-5设计技巧 ........................................................................................................................................................ 13-6相关应用笔记 ................................................................................................................................................. 13-7版本历史 ........................................................................................................................................................ 13-8第14 章 比较/ 捕捉/ 脉宽调制(CCP) 14-1简介 ............................................................................................................................................................... 14-2控制寄存器 .................................................................................................................................................... 14-3捕捉模式 ........................................................................................................................................................ 14-4比较模式 ........................................................................................................................................................ 14-6PWM 模式 ..................................................................................................................................................... 14-8初始化 ......................................................................................................................................................... 14-12设计技巧 ...................................................................................................................................................... 14-15相关应用笔记 ............................................................................................................................................... 14-17版本历史 ...................................................................................................................................................... 14-18第15 章 同步串行口(SSP) 15-1简介 ............................................................................................................................................................... 15-2控制寄存器 .................................................................................................................................................... 15-3SPITM 模式 .................................................................................................................................................... 15-6SSP 模块的I2CTM 操作 ............................................................................................................................... 15-16初始化 ......................................................................................................................................................... 15-26设计技巧 ...................................................................................................................................................... 15-28相关应用笔记 ............................................................................................................................................... 15-29版本历史 ...................................................................................................................................................... 15-30第16 章 基本同步串行口(BSSP) 16-1简介 ............................................................................................................................................................... 16-2控制寄存器 .................................................................................................................................................... 16-3SPITM 模式 .................................................................................................................................................... 16-6SSP 模块 的I2CTM 操作 ............................................................................................................................... 16-15初始化 ......................................................................................................................................................... 16-23设计技巧 ...................................................................................................................................................... 16-24相关应用笔记 ............................................................................................................................................... 16-25版本历史 ...................................................................................................................................................... 16-26第17 章 主同步串行口(MSSP) 17-1简介 ............................................................................................................................................................... 17-2控制寄存器 .................................................................................................................................................... 17-4SPITM 模式 .................................................................................................................................................... 17-9SSP 模块的 I2C™ 操作 ............................................................................................................................... 17-18I2CTM 总线的连接注意事项 ........................................................................................................................... 17-56初始化 ......................................................................................................................................................... 17-57设计技巧 ...................................................................................................................................................... 17-58相关应用笔记 ............................................................................................................................................... 17-59版本历史 ...................................................................................................................................................... 17-60第18 章 USART 18-1简介 ............................................................................................................................................................... 18-2控制寄存器 .................................................................................................................................................... 18-3USART 波特率发生器(BRG) ..................................................................................................................... 18-5USART 异步工作模式 ................................................................................................................................... 18-8USART 同步主控模式 .................................................................................................................................. 18-15USART 同步从动模式 ................................................................................................................................. 18-19初始化 ......................................................................................................................................................... 18-21设计技巧 ...................................................................................................................................................... 18-22相关应用笔记 ............................................................................................................................................... 18-23版本历史 ...................................................................................................................................................... 18-24第19 章 参考电压模块 19-1简介 ............................................................................................................................................................... 19-2控制寄存器 .................................................................................................................................................... 19-3配置参考电压 ................................................................................................................................................. 19-4参考电压精度 ................................................................................................................................................. 19-5休眠模式下的操作 ......................................................................................................................................... 19-5复位的影响 .................................................................................................................................................... 19-5连接注意事项 ................................................................................................................................................. 19-6初始化 ........................................................................................................................................................... 19-7设计技巧 ........................................................................................................................................................ 19-8相关应用笔记 ................................................................................................................................................. 19-9版本历史 ...................................................................................................................................................... 19-10第20 章 比较器 20-1简介 ............................................................................................................................................................... 20-2控制寄存器 .................................................................................................................................................... 20-3设置比较器模式 ............................................................................................................................................. 20-4比较器工作原理 ............................................................................................................................................. 20-6比较器参考源 ................................................................................................................................................. 20-6比较器的响应时间 ......................................................................................................................................... 20-8比较器输出 .................................................................................................................................................... 20-8比较器中断 .................................................................................................................................................... 20-9休眠状态下比较器的操作 ............................................................................................................................... 20-9复位的影响 .................................................................................................................................................... 20-9模拟输入连接方式注意事项 .......................................................................................................................... 20-10初始化 ......................................................................................................................................................... 20-11设计技巧 ...................................................................................................................................................... 20-12相关应用笔记 ............................................................................................................................................... 20-13版本历史 ...................................................................................................................................................... 20-14第21 章 8 位A/D 转换器 21-1简介 ............................................................................................................................................................... 21-2控制寄存器 .................................................................................................................................................... 21-3操作 ............................................................................................................................................................... 21-5A/D 采集时间要求 .......................................................................................................................................... 21-6A/D 转换时钟的选择 ...................................................................................................................................... 21-8配置模拟输入端口 ......................................................................................................................................... 21-9A/D 转换 ...................................................................................................................................................... 21-10休眠期间的A/D 转换 ................................................................................................................................... 21-12A/D 精度/ 误差 ............................................................................................................................................ 21-13复位对A/D 转换的影响 ................................................................................................................................ 21-13CCP 触发器的使用 ...................................................................................................................................... 21-14连接注意事项 ............................................................................................................................................... 21-14传递函数 ...................................................................................................................................................... 21-14初始化 ......................................................................................................................................................... 21-15设计技巧 ...................................................................................................................................................... 21-16相关应用笔记 ............................................................................................................................................... 21-17版本历史 ...................................................................................................................................................... 21-18第22 章 基本型8 位A/D 转换器 22-1简介 ............................................................................................................................................................... 22-2控制寄存器 .................................................................................................................................................... 22-3A/D 采集时间要求 .......................................................................................................................................... 22-6A/D 转换时钟的选择 ...................................................................................................................................... 22-8配置模拟输入端口 ....................................................................................................................................... 22-10A/D 转换 ...................................................................................................................................................... 22-11休眠期间的A/D 转换 ................................................................................................................................... 22-14A/D 转换精度/ 误差 ..................................................................................................................................... 22-15复位对A/D 转换的影响 ................................................................................................................................ 22-16连接时的考虑事项 ....................................................................................................................................... 22-16传递函数 ...................................................................................................................................................... 22-16初始化 ......................................................................................................................................................... 22-17设计技巧 ...................................................................................................................................................... 22-18相关应用笔记 ............................................................................................................................................... 22-19版本历史 ...................................................................................................................................................... 22-20第23 章 10 位A/D 转换器 23-1简介 ............................................................................................................................................................... 23-2控制寄存器 .................................................................................................................................................... 23-3操作 ............................................................................................................................................................... 23-5A/D 采集时间要求 .......................................................................................................................................... 23-6A/D 转换时钟的选择 ...................................................................................................................................... 23-8模拟输入引脚的设置 ...................................................................................................................................... 23-9A/D 转换的编程举例 .................................................................................................................................... 23-10休眠期间的A/D 转换 ................................................................................................................................... 23-14复位对A/D 转换的影响 ................................................................................................................................ 23-14A/D 转换精度与误差 .................................................................................................................................... 23-15连接时的考虑事项 ....................................................................................................................................... 23-16传递函数 ...................................................................................................................................................... 23-16初始化 ......................................................................................................................................................... 23-17设计技巧 ...................................................................................................................................................... 23-18相关应用笔记 ............................................................................................................................................... 23-19版本历史 ...................................................................................................................................................... 23-20第24 章 积分型A/D 转换器 24-1简介 ............................................................................................................................................................... 24-2控制寄存器 .................................................................................................................................................... 24-3转换过程 ........................................................................................................................................................ 24-6其它模拟模块 ............................................................................................................................................... 24-12校准参数 ...................................................................................................................................................... 24-13设计技巧 ...................................................................................................................................................... 24-14相关应用笔记 ............................................................................................................................................... 24-15版本历史 ...................................................................................................................................................... 24-16第25 章 LCD 25-1简介 ............................................................................................................................................................... 25-2控制寄存器 .................................................................................................................................................... 25-3LCD 定时 ....................................................................................................................................................... 25-6LCD 中断 ..................................................................................................................................................... 25-12像素控制 ...................................................................................................................................................... 25-13电压发生器 .................................................................................................................................................. 25-15休眠模式下的操作 ....................................................................................................................................... 25-16复位的影响 .................................................................................................................................................. 25-17LCD 模块的设置 .......................................................................................................................................... 25-17判别比 ......................................................................................................................................................... 25-18LCD 电压发生器 .......................................................................................................................................... 25-20对比度 ......................................................................................................................................................... 25-22LCD 玻璃基板 .............................................................................................................................................. 25-22初始化 ......................................................................................................................................................... 25-23设计技巧 ...................................................................................................................................................... 25-24相关应用笔记 ............................................................................................................................................... 25-25版本历史 ...................................................................................................................................................... 25-26第26 章 看门狗定时器与休眠模式 26-1简介 ............................................................................................................................................................... 26-2控制寄存器 .................................................................................................................................................... 26-3看门狗定时器(WDT)的操作 ....................................................................................................................... 26-4休眠省电模式 ................................................................................................................................................. 26-7初始化 ........................................................................................................................................................... 26-9设计技巧 ...................................................................................................................................................... 26-10相关应用笔记 ............................................................................................................................................... 26-11版本历史 ...................................................................................................................................................... 26-12第27 章 器件配置位 27-1简介 ............................................................................................................................................................... 27-2配置字位 ........................................................................................................................................................ 27-4编程校验/ 代码保护 ....................................................................................................................................... 27-8识别码ID 的位置 ........................................................................................................................................... 27-9设计技巧 ...................................................................................................................................................... 27-10相关应用笔记 ............................................................................................................................................... 27-11版本历史 ...................................................................................................................................................... 27-12第28 章 在线串行编程 28-1简介 ............................................................................................................................................................... 28-2进入在线串行编程模式 .................................................................................................................................. 28-3应用电路 ........................................................................................................................................................ 28-4编程器 ........................................................................................................................................................... 28-6编程环境 ........................................................................................................................................................ 28-6其它优点 ........................................................................................................................................................ 28-7PICmicro® OTP 型单片机的现场编程 ............................................................................................................. 28-8FLASH 型 PICmicro® 单片机的现场编程 ...................................................................................................... 28-10设计技巧 ...................................................................................................................................................... 28-12相关应用笔记 ............................................................................................................................................... 28-13版本历史 ...................................................................................................................................................... 28-14第29 章 指令集 29-1简介 ............................................................................................................................................................... 29-2指令格式 ........................................................................................................................................................ 29-4作为源/ 目标寄存器的特殊功能寄存器 ........................................................................................................... 29-6Q 周期操作 .................................................................................................................................................... 29-7指令描述 ........................................................................................................................................................ 29-8设计技巧 ...................................................................................................................................................... 29-45相关应用笔记 ............................................................................................................................................... 29-47版本历史 ...................................................................................................................................................... 29-48第30 章 电气规范 30-1简介 ............................................................................................................................................................... 30-2绝对最大值 .................................................................................................................................................... 30-3器件选型表 .................................................................................................................................................... 30-4器件电压规范 ................................................................................................................................................. 30-5器件电流特性 ................................................................................................................................................. 30-6输入阈值电平 ................................................................................................................................................. 30-9I/O 电流特性 ................................................................................................................................................ 30-10输出驱动电压 ............................................................................................................................................... 30-11I/O 引脚的容性负载 ..................................................................................................................................... 30-12数据EEPROM / 闪存 .................................................................................................................................. 30-13LCD ............................................................................................................................................................. 30-14比较器和参考电压 ....................................................................................................................................... 30-15时序参数符号 ............................................................................................................................................... 30-16外部时钟时序波形图和时序要求示例 ............................................................................................................ 30-17上电和复位时序波形图及要求示例 ............................................................................................................... 30-19定时器Timer0 和Timer1 时序波形图及要求示例 ......................................................................................... 30-20CCP 的时序图及要求 ................................................................................................................................... 30-21并行从动端口 (PSP) 时序图及要求 .............................................................................................................. 30-22SSP 和 MSSP SPITM 模式时序波形图及要求示例 ....................................................................................... 30-23SSP I2CTM 模式时序波形图及要求示例 ........................................................................................................ 30-27MSSP I2CTM 模式时序波形图及要求示例 ..................................................................................................... 30-30USART/SCI 时序波形图及要求示例 ............................................................................................................. 30-328 位 A/D 时序波形图及要求示例 ................................................................................................................... 30-3410 位A/D 时序波形图及要求示例 ................................................................................................................. 30-36积分型A/D 时序波形图及要求示例 ............................................................................................................... 30-38LCD 时序波形图及要求示例 ......................................................................................................................... 30-40相关应用笔记 ............................................................................................................................................... 30-41版本历史 ...................................................................................................................................................... 30-42第31 章 器件特性 31-1简介 ............................................................................................................................................................... 31-2特性和电气规范 ............................................................................................................................................. 31-2DC 和AC 特性图表 ....................................................................................................................................... 31-2版本历史 ...................................................................................................................................................... 31-22第32 章 开发工具 32-1简介 ............................................................................................................................................................... 32-2集成开发环境(IDE) ................................................................................................................................... 32-3MPLAB® 软件语言支持 ................................................................................................................................. 32-6MPLAB® SIM 软件模拟器 ............................................................................................................................... 32-8MPLAB® 硬件仿真器支持 ............................................................................................................................... 32-9MPLAB® 编程器支持 ................................................................................................................................... 32-10辅助工具 ...................................................................................................................................................... 32-11开发板 ......................................................................................................................................................... 32-12针对其它Microchip 产品的开发工具 ............................................................................................................ 32-14相关应用笔记 ............................................................................................................................................... 32-15版本历史 ...................................................................................................................................................... 32-16第33 章 代码开发 33-1版本历史 ........................................................................................................................................................ 33-2第34 章 附录 34-1I2CTM 概述...................................................................................................................................................... 34-2LCD 玻璃基板生产商.................................................................................................................................... 34-11改进的器件特性............................................................................................................................................ 34-13版本历史....................................................................................................................................................... 34-19第35 章 术语表 35-1版本历史 ...................................................................................................................................................... 35-14目录

    标签: PIC 单片机

    上传时间: 2013-11-15

    上传用户:nanshan

  • CCS3.3及XDS510 USB 仿真器驱动安装说明书

    CCS3.3及XDS510 USB 仿真器驱动安装说明书

    标签: CCS 3.3 510 XDS

    上传时间: 2013-10-08

    上传用户:脚趾头