> I started to build a programmer(hardware) designed for the
> 18F series chips.   I have all the vlotage correct but am
> haveing a bit of a problem.
> I can send the serial commands to the chip in program mode
> and get read information correctly.   However I cant write
> any information to the chip.  Im pretty sure the
> configuration bits are set correctly as I have set them with
> another programmer.

They *can* be programmed, so you are obviously doing something wrong.
You might have a look at the Wisp628 firmware code
(http://www.voti.nl/wisp628).

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products

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