DTMF http://www.boondog.com/tutorials/\tutorials\dtmf\dtmf.htm DTMF Touch-tone Generator and Decoder http://www.infobahnos.com/~benh/text/dtmf.htm DTMF FAQ http://www.rt66.com/dthomas/pic/dtmf.txt Dave Thomas's PIC code for a DTMF Encoder http://www.hut.fi/~then/mytexts/dtmf_generation.html Generating DTMF tones using soundcard http://www.interstice.com/~sdattalo/technical/theory/dtmf.html Scott Dattalo's DTMF Decoding James Newton, webmaster http://get.to/techref (hint: you can add your own private info to the techref) mailto:jamesnewton@geocities.com 1-619-652-0593 phoneÊ -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Ozgur Orman Sent: Friday, September 10, 1999 12:42 AM To: PICLIST@MITVMA.MIT.EDU Subject: DTMF decoder with a PIC Hellow I'm interested with to design a DTMF decoder using a PIC. I can do that with a DSP chip, but I think if it is possible to do it using a micro controller, that will be better. Do you know any site, I can find any valuable information about to design a DTMF decoder using a PIC. Thanks Ozgur