AVR-Chat

--- In AVR-Chat@yahoogroups.com, "Paul Maddox" <P.Maddox@s...> wrote:

> > ... PEN ... is for SPI
> > programming ...

> Disagree, I tied the /PEN
> pin high ... and I program 
> it with the AVRISP ...

This is getting tiresome. From what I've read here, not even looking 
at the data sheet, it is pretty clear that you *can* use /PEN to get 
into serial ISP mode, but *you don't have to* if it works fine the 
normal way. So go ahead and tie it high. Tie it direct if you're sure 
you'll have no trouble getting into serial ISP mode or via a resistor 
if you think you might want to hold it low during reset to help. Are 
we done now?

Graham.