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1000BPS using USE RS232

 
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selvaraju



Joined: 02 Oct 2007
Posts: 1

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1000BPS using USE RS232
PostPosted: Tue Oct 02, 2007 3:42 am     Reply with quote
Hi everyone,

I need to interface my PIC16F877 to another device which is using 1000BPS baud-rate. I am using a 4Mhz crystal.

Please let me know how I can change my baud-rate setting to 1000Bps using the USE RS232 directive.

Looking forward to your earliest reply.

Thanks.

Selva
inservi



Joined: 13 May 2007
Posts: 128

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PostPosted: Tue Oct 02, 2007 4:03 am     Reply with quote
Hello,

Here is the essential 'header' for timing. You need to add other fuses as you need. Check the rs232 parameters as xmit and rcv pin.
Code:

#include "16F877.h"

#device *=16  // if you want

#FUSES XT                       //Crystal osc <= 4mhz
.. other #fuses

#use delay(clock=4000000)

#use rs232(baud=1000,parity=N,xmit=PIN_C6,rcv=PIN_C7,bits=8)



In fact, is simple as giving the right #use delay() and baud=1000.

Best regards,
dro.
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in médio virtus
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