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本文介绍了双音多频 (DTMF)发送接收器件MT8888的主要功能、基本组成和工作原理。最多给出了MT8888与单片机 80C32接口的硬件电路及软件程序。
This article describes the main functions, basic components and working principle of the MT8888 dual-tone multi-frequency (DTMF) transceiver. MT8888 gives up to 80C32 microcontroller interface and hardware circuits and software programs.