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Re: [avr-chat] UART with internal RC osc.
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From: |
Gary Douglas |
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Subject: |
Re: [avr-chat] UART with internal RC osc. |
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Date: |
Fri, 05 Aug 2005 11:33:26 -0600 |
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User-agent: |
Mozilla Thunderbird 1.0.2 (X11/20050317) |
With an ATMEGA64 I had issues generating baud rates greater than 115200
-- I was actually running at 500KBaud, and it didn't work at all.
The error at lower 'PC' baud rates should be OK though.
I would suggest landing a crystal on your board just in case.
<G>
Royce Pereira wrote:
Hi all,
Just wanted to check..is the internal RC oscillator sufficiently accurate
for baud rate generation? Or is a crystal unavoidable?
--Royce.
--
Gary Douglas
Manager - Network Products
Pathway Connectivity Inc.
Inglewood Plaza, Unit 103
1439 - 17 Avenue SE
Calgary, Alberta
Canada. T2G 1J9
+1.403.243-8110 x43
www.pathwayconnect.com