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单片机编程 串行时钟PCF8583在微机保护装置中的应用

实时时钟是微机保护装置的重要部件,在讨论PCF8583结构与功能的基础上,提出采用dsPIC33F系列微处理器与串行I2C时钟PCF8583的接口设计方案,给出了相应的接口电路与软件流程。该设计方案结构简单,可靠性高,开发周期短,具有一定的实用与参考价值。所设计的微机保护装置已投入现场运行,效果良好。 Abstract:  Rea ...
https://www.eeworm.com/dl/502/29188.html
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单片机编程 基于AVR单片机Mega16的电子时钟设计

Mega16是一款采用先进RISC精简指令,内置A/D的8位单片机,可支持低电压联机 Flash和EEPROM 写入功能;同时还支持 Basic和C 等高级语言编程。用它设计电子时钟不仅成本低,硬件简单,而且很容易实现系统移植。介绍了如何利用AVR系列单片机Mega16及1602字符液晶来设计电子时钟的方法,同时给出了相应的电路原理及部分语言程序 ...
https://www.eeworm.com/dl/502/29304.html
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单片机编程 PCF2116系列LCD驱动器芯片简介及封装库

1 FEATURES· Single chip LCD controller/driver· 1 or 2-line display of up to 24 characters per line, or2 or 4 lines of up to 12 characters per line· 5 ′ 7 character format plus cursor; 5 ′ 8 for kana(Japanese syllabary) and user defined symbols· On-chip:– generation of LCD supply voltage (exte ...
https://www.eeworm.com/dl/502/29370.html
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单片机编程 AD9859芯片资料

FEATURES400 MSPS internal clock speedIntegrated 10-bit DAC32-bit tuning wordPhase noise ≤ –120 dBc/Hz @ 1 kHz offset (DAC output)Excellent dynamic performance>75 dB SFDR @ 160 MHz (±100 kHz offset) AOUTSerial I/O control1.8 V power supplySoftware and hardware controlled power-down48-lead TQFP/EP ...
https://www.eeworm.com/dl/502/29887.html
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单片机编程 McuPlayer的EMC单片机学习笔记

因为工作的缘故,必须学习EMC单片机了。我会把我的学习历程写下来,算是对坛子的一点贡献,也算是自己的一个总结吧。因为以前学过51的和PIC、HOLTEK的单片机,并且也大致了解过EMC的指令集,所以学起来并不是太难。为了学习,而又没有仿真器,于是去emc的网站下载了一个simulator来软件仿真。第一感觉还不错,把里面的例子 ...
https://www.eeworm.com/dl/502/29932.html
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单片机编程 lpc2478完全使用手册

NXP Semiconductor designed the LPC2400 microcontrollers around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded Trace. The LPC2400 microcontrollers have 512 kB of on-chip high-speedFlash memory. This Flash memory includes a special 128-bit wide me ...
https://www.eeworm.com/dl/502/30319.html
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单片机编程 PCA9534—带中断的低功耗8位I2C和SMBus IO口

The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O tolerance, l ...
https://www.eeworm.com/dl/502/30569.html
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单片机编程 CAT25128-128Kb的SPI串行CMOS EEPRO

The CAT25128 is a 128−Kb Serial CMOS EEPROM device internally organized as 16Kx8 bits. This features a 64−byte page write buffer and supports the Serial Peripheral Interface (SPI) protocol. The device is enabled through a Chip Select (CS) input. In addition, the required bus signals are ...
https://www.eeworm.com/dl/502/30683.html
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单片机编程 PCA9534 8bit I2C bus and SMBus low power IO port with interru

The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O toleran ...
https://www.eeworm.com/dl/502/30982.html
下载: 83
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单片机编程 PCA9516 5channel I2C hub

The PCA9516 is a BiCMOS integrated circuit intended forapplication in I2C and SMBus systems.While retaining all the operating modes and features of the I2Csystem, it permits extension of the I2C-bus by buffering both the data(SDA) and the clock (SCL) lines, thus enabling five buses of 400 pF.The I2C ...
https://www.eeworm.com/dl/502/30984.html
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