P4 and on Memory Mapping

[Ward]

Yes the serial port for the A/D is at $4002, If you pay close attention you
will find some exclusions in the op-code. Have you ever dissassembled one of
these "old timers"?

Ward 


On Fri, 7 Jan 2000 13:43:45 +1100, gmecm at efi332.eng.ohio-state.edu wrote:

>  
>  
>  >p4's are not a standard off the shelf HC11. P6's are almost a HC11F
>  >The a/d is external as a seria; device.
>  >
>  >W.
>  
>  
>  Ward,
>  
>  Do you mean on the 52pin CPU's they have ext A/D's?.
>  Because the 68pin version certainly has an 8ch A/D built in.
>  
>  Ross Myers
>  


Ward





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