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Re: [avr-gcc-list] Small program for UART not working

From: Peter Fuhrmann
Subject: Re: [avr-gcc-list] Small program for UART not working
Date: Thu, 1 Sep 2005 11:38:12 +0200
User-agent: KMail/1.7.2

On Tuesday 30 August 2005 02:37, Gary Bi wrote:
> From the scope, I can calculate the baud rate rough
> number, for example, if setting it to 9600 in MCU, on
> scope, it was around that range; setting to 57600, the
> reading from scope will be around 57600, etc. But I
> don't know the exacly reading.

You might try sending 0xAA on the Atmel and 0xAA on the PC at the same time, 
and then use a two channel scope to compare the timing of the two waveforms.

You could try playing with the UBRR0L value a little to get the timing 



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