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PIC Specific RS232 routine

by Andy N1YEW [n1yew at SOFTHOME.NET]

PIC Serial Routines for the 16x84

This PIC serial routine will work on a 16x84. I needed one for my fox. Since I could not find a suitable one on the web, I decided to build my own. It runs on a 4 MHz clock. I tried to be as accurate as I could. All the numbers you see on the side are what I used to keep track of how many micro seconds I spent. It was riddled with problems at first, such as I forgot to TRIS the porta; test/set the wrong bit, etc.

use the code like so:
serrecv receivedbyte
sersenf receivedbyte
sersenl 'A'

Download the code.

Andy N1YEW

Also:

See also:


file: /Techref/microchip/16f84-rs232-an.htm, 2KB, , updated: 2006/1/17 15:46, local time: 2017/10/23 01:37, owner: AK--373,
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Quick, and RELIABLE! RCL-1 RS232 Level Converter in a DB9 backshell only $15.00
Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232!
 

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