Universal Serial Bus (USB) is a communications architecture that gives a personal computer (PC) the ability to interconnect a variety of devices usi...
一个很不错的讲述Serial Port通信的好书....
Serial Port Complete, Programming and Circuits for RS-232 and RS-485 Links and Networks...
This a state-machine driven rs232 serial port interface to a "Wishbone" // type of bus....
Clock+data serial protocol for PIC16/18F processors. Contains an example application for Zoom/Focus/Iris lens motor control. Written for HiTech C Comp...