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MT8880.rar
- MT8880用于dtmf信号的发送和接收，并集于一体，编程简单！,MT8880 for dtmf to send and receive signals, and set in one simple program!
MT8880
- MT8880产生发送和接收译码各使用了一片集成电路，而DTMF双向收／发集成电路MT8880专门为双音频信号的收、发而设计，它既能产生发送双音频信号，又能对双音频信号进行接收译码，还能判断各种信号音(拨号音、回铃音、忙音)。-good