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单片机编程 Nios 的用户定义接口逻辑实例

Nios 的用户定义接口逻辑实例 有许多人问我使用 Nios 的用户定义接口逻辑怎么用,想了几天决定设计一个实例来说明。该例为一个使用 user to interface logic 设计的 PWM 实例,其中包括三个文件:    plus32.v 是一个为 32bit nios 设计的 pwm 实例。    plus16.v 是一个为 16bit nios 设计 ...
https://www.eeworm.com/dl/502/30772.html
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单片机编程 Emulating a synchronous serial

The C500 microcontroller family usually provides only one on-chip synchronous serialchannel (SSC). If a second SSC is required, an emulation of the missing interface mayhelp to avoid an external hardware solution with additional electronic components.The solution presented in this paper and in the a ...
https://www.eeworm.com/dl/502/31365.html
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单片机编程 温度传感器ds1820的汇编程序

晶振:12M TEMPER_L EQU 36H TEMPER_H EQU 35H TEMPER_NUM EQU 60H FLAG1 BIT 00H DQ BIT P3.3AAA:MOV SP,#70H LCALL GET_TEMPER LCALL TEMPER_COV LJMP AAA NOP ;------------------读出转换后的温度值 GET_TEMPER: SETB DQ ; 定时入口 BCD:LCALL INIT_1820 JB FLAG1,S22 LJMP BCD ; 若DS18B20不存在则返回S22:LCALL DELAY ...
https://www.eeworm.com/dl/502/31487.html
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DSP编程 RSM1843四线电阻式触摸屏控制芯片

RSM1843 是四线电阻式触摸屏控制芯片。电路是一个12bit 模数转换器(ADC),内置 同步串行数据接口和驱动触摸屏的低阻开关。基准电压(Vref)变化范围从1V 到+Vcc,相 应的输入电压范围为0V 到Vref。电路提供了关断模式,功耗可降低至0.5W。RSM1843 工 作电压能低至2.7V,是电池供电设备的理想选择,可适用于电阻式触摸屏的 ...
https://www.eeworm.com/dl/516/31770.html
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串口编程 一个简单的SPI IP核

一个简单的SPI IP核,SPI Core Specifications 可以从说明文档中找到! The simple Serial Peripheral Interface core is an enhanced version of the Serial Peripheral Interface found on Motorola s M68HC11 family of CPUs. The Serial Peripheral Interface is a serial, synchronous communication protocol ...
https://www.eeworm.com/dl/624/198141.html
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其他书籍 The ability to write efficient, high-speed arithmetic routines ultimately depends upon your knowled

The ability to write efficient, high-speed arithmetic routines ultimately depends upon your knowledge of the elements of arithmetic as they exist on a computer. That conclusion and this book are the result of a long and frustrating search for information on writing arithmetic routines for real-time ...
https://www.eeworm.com/dl/542/224684.html
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嵌入式/单片机编程 This manual describes Freescale’s IEEE&#8482 802.15.4 Standard compliant MAC/PHY software. The Frees

This manual describes Freescale’s IEEE&#8482 802.15.4 Standard compliant MAC/PHY software. The Freescale 802.15.4 MAC/PHY software is designed for use with the Freescale MC1319x and MC1320x, family of short range, low power, 2.4 GHz Industrial, Scientific, and Medical (ISM) band transceivers, desig ...
https://www.eeworm.com/dl/647/284886.html
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技术资料 SPI UART I2C CAN比较.pdf

Universival Asychronous Receiver/Transmitter(通用异步串行口),UART 是一种较为通用的数据传输的方法(即Start Bit+Data+Check+StopBit),而COM 口中Rx、Tx 的数据格式即为UART。UART 和RS232是两种异步数据传输标准.计算机中的COM1和COM2都是RS232串行通信标准接口。当Uart 接口连到PC 机上时,需要接RS232电平转 ...
https://www.eeworm.com/dl/746504.html
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技术资料 nRF51802串口透传主从蓝牙4.0模块

文档介绍了一个基于Nordic芯片nRF51802的蓝牙4.0模块,模块可以做主做从,接口支持UART串口,感兴趣的可以下载来看下The VD-B501 is a highly integrated Bluetooth 4.0 BLE module, designed for high data rate, short-range wireless communication in the 2.4GHz ISM band. The module is based on Nordic nRF51802 rad ...
https://www.eeworm.com/dl/845765.html
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技术资料 微型电力监测仪 源代码

采用瑞萨16-bit MCU R7F0C004( 80引脚,24MHz主 频),通过I/O端口、TAU、RTC2、CSI、LCD等功能 模块实现对用电设备的用电量、功率、电压、电流、累 计时间、频率、CO2排放量的监控。 用户按键切换各种显示模式,进行清零操作。 LCD显示用电设备的的用电量、功率、电压、电流、累 计时间、频率、CO2排放量 芯片内部模块连 ...
https://www.eeworm.com/dl/848019.html
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