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Re: [avr-chat] Trouble with USART0 on ATmega644A
From: |
Rick Mann |
Subject: |
Re: [avr-chat] Trouble with USART0 on ATmega644A |
Date: |
Thu, 6 Jan 2011 01:30:30 -0800 |
Well, I added an 8 MHz crystal, but I get the same behavior. I've tried
numerous different rates, especially ones with little error. I'm pretty sure
something else is going on. Time to put it on the 'scope (too bad, I was
working on this in my living room).
--
Rick
On Jan 6, 2011, at 00:50:17, Rick Mann wrote:
> Thanks. I was able to do okay with the other part using the internal 1 MHz,
> but I'll add a crystal.
>
> On Jan 6, 2011, at 00:41:08, Yuriy Vlasenko wrote:
>
>> I have measured the frequency of internal RC-generator. It is NOT EQUAL to
>> 8000000 Hz +-1%.
>>
>> So I think it's not very hopefull to communicate via UART with internal
>> generator. The more of it - at 115K.
>>
>
>
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