PIC manchester decoding

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volkantr

Joined: 23 Dec 2007
Posts: 11

19 Jan 2008 14:42 decoding manchester pic

hi everyone

can anyone help me about decoding this data stream.

I found assembly codes on web but they have different protocols and for slower signals.

my question is that is it possible to decode this signal with using 16f72?

the second is how can I inform the PIC that the new data is coming? I know I must do it by using start bits but I couldn't write a suitable code for it.

best regards

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btbass

Joined: 20 Jul 2001
Posts: 1187
Helped: 113
Location: Oberon

20 Jan 2008 9:18 pic manchester decoding

KEELOQ encoding decoding is the same as Manchester.
Check out Microchip application note here
TB045
http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1469&filter1=function.
Hope this helps,