Peter wrote:

> I've just rejoined this list after a few years away !
>
> I have a 16F877 development system I built a few years ago, an now I'm
> considering moving to newer 18FXXX devices.
>
> My development system has a 16F627 with a RS-232 i/f to the PC and uses
> ICSP to program the 16F877.
>
> Q:  Is the ICSP spec for 18FXXX devices the same as it was for 16F877,
> or will I need to modify the programmer to use it with 18FXXX devices
> (IE is the ICSP spec the same) ?
>

Physically, no, but the protocol to program the 18F parts is different.  You
should make sure the programmer supports it.

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