AVR-Chat

Dumb question: Are ALL of the power and ground pin connected???

Bruce

Mark Nowell wrote:
> 
> Kat
> 
> My older board is for DIP M8 whereas the new board has TQFP M168 - I don't
> actually have a TQFP M8, nor the tools (or eyesight) to solder one in. The
> design of new and old board are obviously not exactly the same but they're
> very similar and (schematically) identical so far as the ISP programming
> lines are concerned.
> 
> The M168 chips were put in for me by hand, so I'm prepared to believe there
> might be assembly faults but I can't find them - if I've got the necessary
> lines connected, and no excessive load on them, shouldn't I expect ISP to
> work anyway?
> 
> I have just taken my JTAG ICE mk-II out of its wrapper and tried the
> debugWire interface (not enabled). It also has a facility to enable
> debugWire via ISP but this won't work either - AVR Studio suggests checking
> that the SPIEN fuse is enabled.
> 
> Thanks,
> Mark