[PCR-1000] Re Replacing the logic board

[al]

>I've got a PCR-1000 with a fritzed MCU chip. Obviously, I could send it to
>Icom and get a new board fitted, but I'm kinda inclined to design a new
>board, given the excuse ;o)
>
>Looking at the schematic, there's not a great deal to it apart from the MCU
>itself and associated glue. A few regulators and such, a buck converter or
>whatever for the 33V line, and an audio amp - mundane analog stuff.
>
>I haven't decided on the new MCU yet, but I'm inclining toward a dsPIC (been
>dying to use one for months).
>External interface will be TCP/IP over 100-baseTX.
>
>So; has anyone done this already, or got any suggestions regarding driving
>the interfaces between the two boards? It looks straightforward at first
>glance (and I've got working boxes for reference), but there might well be
>the odd gotcha.
>
>And, can anyone suggest anything interesting to do with the DSP interface?
>Lots of potential, I think.
>
>--
>   Max

  Gee Max....you seem to have it all under control....you've certainly 
proved too me how smart you are.Why don't you report back too us all your 
"interesting" results.


  Al
--
al dudley ....sw va/wash dc , usa
            ald@nexet.net
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