this is the way how to monitor usb communication with specific tools
Serial+Monitor 技术资料
汇集 Serial+Monitor 相关的电路原理图、PCB工程文件、单片机/FPGA源代码、数据手册与应用设计方案。
on/off monitor open/close cd/dvd drive show total RAM memory
27845Serial Monitor(串口监视、检测、分析工具)
8051 Serial Port Routines by Kevin W. Clark
good serial doc, and it is also important
describle how to develop serial program in posix
一款好用的串口调试软件
used to communicate between 2 C51 by serial
C sharp - Serial comm port using MSCOMM control
For 128x96dot 4wire serial LCM。8080模式。