红外遥控模块通过设计红外发送和接收电路，实现系统软件参数的设置功能；
Infrared remote control device actualizes the system software parameters setting through the design of infrared sending and receiving circuit.
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。
Transmitting and receiving circuits and serial communication and control interface between PC and microcontroller are described in detail.
基于VHDL的串行同步通信电路设计，包括串行同步发送电路和接收电路的设计。
The circuit design of serial synchronous communication based on VHDL includes design of serial synchronous sending circuit and receiving circuit.
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