硬盘接口线的定义，作单片机的

AD型单片机使用手册-AD-SCM Manuals

这是一个有关于51单片机的A/D转换的代码，希望对单片机编程爱好者有所帮助。-This is a microcontroller on 51 of the A/D converter code, and I hope to microcontroller programming enthusiasts help.

基于凌阳单片机的多功能水温自动控制系统的硬件设计。-Sunplus based on single-chip multi-functional water temperature automatic control system hardware design.

arm的spi功能，通过595点亮数码管-arm of the spi feature 595 digital tube light

keilC51编写的，配合单片机AT89C51的液晶模块PG12864的驱动显示程序！-keilC51 prepared with AT89C51 single-chip LCD driver module PG12864 display program!

At24c01的详细资料，希望对大家有用-At24c01 detailed information, in the hope that useful to everybody

Atmel系列UART

avr单片机，对目标板的编程，测试显示灯，发送串口返回值-avr microcontroller, the target board programming, testing lights, sending serial return values

使用国产CH341A芯片实现USB转串口，完全兼容AVR JTAGICE，可以自动升级。 支持芯片: ATmega16(L), ATmega162(L), ATmega169(L or V), ATmega32(L), ATmega323(L), ATmega64(L), ATmega128(L). 原理图还附加了RS232接口，可以方便用户自主选择串口或USB下载程序。 还附加有可自动升级的HEX文件-The use of domestically produced CH341A chip USB to serial port, fully compatible with the AVR JTAGICE, can be automatically upgraded. Support chips: ATmega16 (L), ATmega162 (L), ATmega169 (L or V), ATmega32 (L), ATmega323 (L), ATmega64 (L), ATmega128 (L). Schematics also added a RS232 interface, can easily users to choose the serial or USB download. Additional there is also automatically upgrade the HEX file

iic prog for mcu ok in keil c