基于USB的通信程序开发，附源码，在EDA平台上实现 -USB-based communications program development, with source code, in the EDA platform

In this example w ill interface the PS/2 port to a PS/2 keyboard, also known as an AT keyboard. The example will not apply to the newer USB keyboards, or to the older, obsolete XT keyboard. Keyboards contain their own microprocessors that conti

source code for USB 2.0 fonction core in verilog