It has characteristics of simple circuit, needing few interface lines, high reliability and can perform duplex communication at high speed.
其特点是电路简单、占用口线少、速率高、可靠，可实现全双工通信。
Meanwhile, an audio codec circuit board is made to realize full-duplex communication.
同时通过自制一块语音编解码拓展板，实现了全双工通信。
Meanwhile, an audio codec circuit board is made to realize full-duplex communication.
同时通过自制一块语音编解码拓展板，实现了全双工通信。
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