Keil forum DTMF IC

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DTMF IC

Pratik jain over 16 years ago

You can use HT9170B or MT8870 as DTMF decoder IC with 8051.

0 Mr Reverse over 16 years ago

Anybody know what decoder IC can be used with the 8051?
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0 Andy Neil over 16 years ago in reply to Mr Reverse

You do realise that ready-made ICs are available to decode DTMF, don't you?
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0 Mr Reverse over 16 years ago in reply to Andy Neil

"You do realise that ready-made ICs are available to decode DTMF, don't you?"

I did before, but I don't now.
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0 Ashley Madison over 16 years ago in reply to Mr Reverse

"I did before, but I don't now."

Great answer, :).

and spot on as well.
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