[time-nuts] Pictic II mods

Stanley Reynolds stanley_reynolds at yahoo.com
Fri Jul 2 17:44:52 EDT 2010


yes, internal clock, may need to tune the osc or try +- one number, external osc 
pins are in use.

Stanley



----- Original Message ----
From: Bob Camp <lists at rtty.us>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Fri, July 2, 2010 4:11:11 PM
Subject: Re: [time-nuts] Pictic II mods

Hi

I believe he's using the internal clock on the PIC. It's not super accurate,
so running a lot of data can be an issue.

Bob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Stanley Reynolds
Sent: Friday, July 02, 2010 3:41 PM
To: time-nuts at febo.com
Subject: [time-nuts] Pictic II mods

Looking at Richard's code in PICTICII.ASM :

   bsf     TXSTA,BRGH            ;set USART hi speed mode
   movlw D'51'                         ;set async rate at 9600 baud (51. for
8 
MHz int, BRGH=1)
   movwf SPBRG

Then '25' would be 19,200 baud
and '12' would be 38,400 baud

Need to test this but could be a way to get more data out.

Stanley

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