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PICList Thread
'[pic]: Software PWM'
2000\08\22@131319 by Scott Dattalo

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I know a few people have used the all software, 256-level, single cycle
resolution PWM routine on my web page. There's a new version:

http://www.dattalo.com/technical/software/pic/pwm256.txt

Two things have changed. First there was a bug for pulses that were between 9
and 12 cycles wide. Second, I've added the capability to drive the PWM output
high for the entire 256 levels. This is useful if you wish to cascade multiple
8-bit outputs to generate an averaged, higher resolution output. (E.g. if you
wanted 12-bit resolution, you could cascade 16 8-bit pulses and average them.)

Scott

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