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Implementing high-end telephony functions on an 8bit microcontroller

Posted: 29 Jun 1999 ?? ?Print Version ?Bookmark and Share

Keywords:microcontroller? dtmf encoding? dtmf decoding? embedded systems? pots?

This paper presents a practical example of a complete 1200baud modem reference design that performs the key functions in software and utilizing a board size of 5.08-by-7.62cm form factor. This paper also shows how a high-MIPS microcontroller can implement available telephony functions, as well as include additional peripherals at the developer's discretion.

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