Regulus Berdin [rberdin at BIGFOOT.COM]
this is 2x faster (500kbps @ 4MHz) : ; serial tx ; assumes PORTB1 initially on high state rrf data,w xorwf data,f movlw 1 xorwf PORTB,f ;start bit skpnc xorwf PORTB,f ;b0 btfsc data,0 xorwf PORTB,f ;b1 btfsc data,1 xorwf PORTB,f ;b2 btfsc data,2 xorwf PORTB,f ;b3 . . . nop bsf PORTB,0 ;
|file: /Techref/microchip/rs232at500kbps.htm, 0KB, , updated: 2000/5/2 10:26, local time: 2022/6/27 09:50,
|©2022 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?|
<A HREF="http://www.massmind.org/techref/microchip/rs232at500kbps.htm"> microchip rs232at500kbps</A>
|Did you find what you needed?|
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!
Welcome to www.massmind.org!