Anybody have experience with the Motorola MC145484
Voice Codec? Winbond has the same thing under the P/N
W8610IR. I'm trying to extract the data generated by a
PIC which then sends it via RS232 and of course input
data TO it from RS232 back into a voice pattern.

The problem is that I am having trouble understanding the relationship
between the bit clock, the master clock, and the sync signal
(that starts the transfer). I've read several explanations
and none of them seem clear enough to me to work out a
design.

What I am trying to do is to use the SPI port with SS\ in
long sync frame mode. Seems like an obvious way to do it,
but the examples never use that obvious approach.

--Bob

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                Bob Axtell
        PIC Hardware & Firmware Dev
          http://beam.to/baxtell
              1-520-219-2363

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