I had a similar problem, but can confirm that a 18F452 works fine using
passthough using pins 7/8 in the Wisp628 connected to the PIC as per the
Wisp628 build instructions.

I got garbled data as I'd mistakenly read the USART config tables in the
datasheet as hex when in fact they are in decimal :-)

Use AUXI and check the speed at both ends.

> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Wouter van Ooijen
> Sent: 19 November 2002 19:32
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: Wisp628.Xwisp passtrough
>
>
> > However, I can't seem to make the pass through stuff work.
>
> Note that there is a test program on the wisp628 page (using a 16F877).
>
> In a private mail you stated that your PIC uses RB6 as output, but the
> programmer expects to use RB6 as input to the PIC. So either use RB7 as
> ouput, or connect the AUX input (pin8 of the programmer) (also) to RB6
> of the target and use the 'aux' setting for the TTY command (I think
> AUXI, because you use a max232 to talk to the serial display?)
>
> Wouter van Ooijen
>
> -- -------------------------------------------
> Van Ooijen Technische Informatica: www.voti.nl
> consultancy, development, PICmicro products
>
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