Keil forum Dual tone multi frequency

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Dual tone multi frequency

Mudassar Mehboob over 19 years ago

hi
please suggest me a good dtmf chip compatible with 89c51.
thanks in advance

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0 erik malund over 19 years ago in reply to Andy Neil

I have no knowledge on said subject, but everything I have seen uses MT88xx such as MT8870

Erik
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0 erik malund over 19 years ago in reply to Andy Neil

I have no knowledge on said subject, but everything I have seen uses MT88xx such as MT8870

Erik
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0 Andy Neil over 19 years ago in reply to erik malund

"MT88xx such as MT8870"

They're Zarlink parts - see URL above
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