> Thanks for making all this information available, I am
> thinking of building me
> a wisp628, I guess it won't fit in a 627 (which I have an 'a'
> version of)  will
> it work using a 628a?

Current firmware is alomost 2048 instructions, so a 627 is out of the
question. A 628A is OK, that is what I currently ship with the kits.

> Can carriers be made for 'extra-circuit' programming? I have
> one project that doesn't have the room for an ICSP header.

DIP clip! see http://www.voti.nl/wisp628/pics/t-clip-big.jpg
Even SOIC clips exist.

Or for DIPs: take a tower of machined sockets, solder the ICSP wires to
one of socket's pins. Or use a wire-wrap socket for a similar setup.

Another aproach: I have a PCB that accomodates a 64-pin PIC, with the
pins that correcspond to a 40-pin PIC brough to a 40-pin socket. Use a
bandcable and two DIP connectors to connect to a target. The extra PIC
pins are available for connecting debug aids (LCD, RS232). The board has
Wisp628 and ICD2 connectors for ICSP. The PCB will be in the shop (some
day, when I have time to make an entry for it...).

Wouter van Ooijen

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

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