The serial communication interface chip design was realized by application of schematic diagram and VHDL language.
采用自顶向下的设计方法，用原理图和VHDL语言这两种输入对串行通信接口芯片进行设计。
The communication of the master computer and subordinative computer adopts RS232 serial interface, which adapt the long distance communication.
微机和下位机的通讯采用RS232串行接口，适用于远距离通讯。
Transmitting and receiving circuits and serial communication and control interface between PC and microcontroller are described in detail.
详细介绍了光发送、光接收电路和单片机与微机的串行通信控制接口。
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