This zip file describes how to generate a clock on the PCK pin using the PMC running under AT91RM3400DK with Green hills 3.6.1 Multi® 2000 Software...
This document contains a specification for a new low pin count bus interface, dubbed LPC, that will be added to future Intel chip-sets. The target au...
1) Parallel Port I/O 2) Control LPT pin...
shi pin bu huo ruan jian...
目前较为常用的串口有9针串口（DB9）和25针串口（DB25），通信距离较近时(<12m)，可以用电缆线直接连接标准RS232端口(RS422,RS485较远)，若距离较远，需附加调制解调器（MODEM）。最为简单且常用的是三线制接法，即地、接收数据和发送数据三脚相连，本文只涉及到最为基本的接...
