>I am trying to get a PIC16c74A to receive a 9600 baud 8 data bit,
>no parity, 1 stop bit signal.  I have configured the serial port
>with the following options:
>
>Crystal:5.0688 MHz
>
>RCSTA:0x90
>TXSTA:0xA4
>SBRGH:32
>
>Is this all I need?  The strange thing is that it actually communicates
>fairly well.  However, approximately 2-4 bytes out of every 100 received
>are completely wrong.  There doesn't seem to be a pattern.  Some are off
>by 0xCC or 0x7D or 0x8F or 0xBF, etc.
>
>Any ideas?
>
Hi Jason,

Choose a XTAL that gives 9600 baud with BRGH=0, this increases the
sampling to x64 mode and should fix the above problem.




Ray Gardiner (DSP Systems) ray@dsp-systems.com http://www.dsp-systems.com
private email to:- ray@netspace.net.au