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Re: [avr-chat] Strange problem with ATMega32A-PU

From: Dave Hylands
Subject: Re: [avr-chat] Strange problem with ATMega32A-PU
Date: Wed, 27 Apr 2011 22:54:25 -0700

Hi Royce,

On Wed, Apr 27, 2011 at 12:29 AM, Royce Pereira <address@hidden> wrote:
> Hi all,
> I had a project working fine with an ATMega32L-16PU
> .
> Now I have received some of  the new ATMega32A-PU's.
> The same project does not function on the newer devices (LCD is blank etc.)
> Since I did not have older M32L's, I programmed a shorter version of
> the project into an Mega16L. It worked fine.
> I programmed the same (shorter Version) project into the newer M32A,
> (taking care to modify the command lines for Mega32) and again it does
> not work.
> I am using the internal RC osc @ 8 MHz & JTAG disabled.

I seem to recall that the newer devices have the CDIV fuse enabled by
default which causes the clock to be divided by 8.

Dave Hylands
Shuswap, BC, Canada

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