The VHDL program embedded in the FPGA chip includes: interface combine ISA bus and FPGA, serial asynchronous communication module for transmitting and receiving.
该接口卡FPGA芯片内部VHDL程序含：ISA总线与FPGA接口、串行异步通信发送及接收模块。
With some examples it introduced the use of single chip microcomputer serial interface in asynchronous multitude machines communication.
通过实例，介绍了单片机串行口的异步多机通信的应用。
The paper introduces the new method of single chip microcomputer communication, which can use any two bit of P3 or P1 to receive or transmission and form asynchronous communication with the software.
介绍了一种新的单片机通信方法，可以用P 3口或P 1口的任意两位作为收发，用软件的方法构成异步通信。
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