asynchronous bus interface的意思|示意

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。

The test of video-in , video-out, asynchronous serial interface(RS232), universal serial bus(USB) interface and others are completed on printed board.

在硬件上完成了视频输入、视频缓冲、RS232、USB等硬件接口的测试。