piclist 1998\02\15\174307a
>
Thread:
9600 8 N 1 on PIC16c74A
www.piclist.com/techref/microchip/devices.htm?key=16C
BY
:
Ray Gardiner email (remove spam text)
>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) @spam@rayRemoveME
TakeThisOuTdsp-systems.com http://www.dsp-systems.com
private email to:- STOPspamrayRemoveMETakeThisOuTnetspace.net.au
<l03130300b10d2dd57aab@[203.57.31.59]>
In reply to: <199802141138.GAA13451@vulcan.spd.louisville.edu>
See also: www.piclist.com/techref/microchip/devices.htm?key=16C
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