Re: Nubie question: Programming ATMEL MEGA8


beef@xxxxxxxxx wrote:
After looking over a lot of cool projects based on the ATMEL family of
microcontroller, I just bought a bunch of ATMGAG8-16PI's. I bought
these because I was under the impression these where very easy to play
with:
...
Are these guys cross compatible with the same programming software?

The complexities are due to signal interfaces.

Depends on the target, some are 5V signals, some are 3.3V and some are
2.5V.

The worst I have seen is a 1.5V core, 3.3V i/o and mix of 3.3V and 2.5V
jtag.

Being a big fan
of making my own life easy, why would you add more gunk between the
two pieces?

Then there is the breed that hangs off the serial port on a PC.

Kind of a build-in signal converter.


Then there are the little dedicated "programmer" boards with the ZIF
sockets and what seems to be a lot more silicon in the programmer
itself.

Easier but expensive.

.

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