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本文介绍了一种用单片机实现DTMF拨号接收的软件设计方法,重点研究了软件重码及去抖处理技术和软件算法的容错设计技术.应用该技术设计的程控调度机,实践证明,接收DTMF拨号准确可靠.
This paper introduces a software design method of single-chip DTMF dial-up receiving, focusing on software re-code and debounce processing technology and software algorithm fault-tolerant design technology.Application of this technology designed program-controlled scheduling machine, the practice proved that the receiving DTMF dialing accuracy reliable.