Verilog语言编写的RS232控制模块以及RS232到PS2的通信接口模块。整个模块已经通过Virtex4的FPGA平台上的硬件仿真和验证。-Verilog HDL model for RS232 and PS2 interface communication control block. It includes the RS232 RX-TX model as well as PS2 model, and it have already been proven in FPGA virtex