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'[PIC]: 16F628 USART with INTRC oscillator'
2001\11\05@065505 by Vasile Surducan

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Good day gentlemant's !
Have someone experience in 628 USART running with internal RC oscillator ?
It's stable ?
I have only 40300b.pdf datasheet, I can't find the standard freqency for
INTRC oscilator ( 4MHz ? )
Thank's in advance,
Vasile

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2001\11\05@102028 by

Yes it is stable enough for most applications....

Adriaan
----- Original Message -----
From: "Vasile Surducan" <spam_OUTvasileTakeThisOuTspamL30.ITIM-CJ.RO>
To: <.....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU>
Sent: Monday, November 05, 2001 1:50 PM
Subject: [PIC]: 16F628 USART with INTRC oscillator


{Quote hidden}

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2001\11\06@165524 by Tony Nixon

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Vasile Surducan wrote:
>
> Good day gentlemant's !
> Have someone experience in 628 USART running with internal RC oscillator ?
> It's stable ?
> I have only 40300b.pdf datasheet, I can't find the standard freqency for
> INTRC oscilator ( 4MHz ? )
> Thank's in advance,
> Vasile

I have used it at 9600 baud. I couldn't get reliable transfers with
multiple byte packets. I could only send a byte [ACK], send a byte
[ACK], etc.

If you are getting reliable transfers, warm the chip slightly with a
heat gun, or cool it below room temp and see what happens.

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Best regards

Tony

mICros
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