At 07:57 AM 11/21/96 -0700, you wrote:
>     The errata involving BRGH=1 for the USART is present on all midrange
>     microcontrollers with the USART module including the newer 'A'
>     devices.
>
>     This errata only affects the reciever of the USART, the transmitter
>     remains unaffected.  We have found that some applications do not
>     experience the errata.  It seems to be dependent on the oscillator
>     frequency of the receiver, the baud rate, and the baud rate error of
>     the transmitter.  The type of errors you would see are either framing
>     errors or the data will simply be wrong.
>
>     We have not been able to precisly define which combinations of osc.
>     frequency and baud rate that do not produce errors, therefore we have
>     suggested in the errata to not use BRGH = 1.
>
>     Regards,
>
>     Rodger Richey
>     Sr. Applications Engineer
>     Microchip Technology Incorporated
>
>
Thanks for this clear and authoritive information Rodger. Now if Microchip
could just fix it. (please.)

Jim
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Jim Robertson
NEWFOUND ELECTRONICS
Email: newfound@ne.com.au
http://www.labyrinth.net.au/~newfound

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