Hi!
A software PWM library isn't easy. Without a timer, it blocks everything. With
a timer, it's complicated and would only add a few channels. I've done software
PWM for 120 LEDs independently with a 28 pin controller, but it couldn't do
much more than that at 64MHz.
Have you had a look at, say, PIC18F27J13? It has 3+7 independent ccp modules
(with 3 TMR2-type timers).
Greets,Kiste
Am Dienstag, 20. Juni 2023 um 19:49:33 MESZ hat [email protected]
<[email protected]> Folgendes geschrieben:
Hi,
I'm falling short of PWM outputs for a project.I need 6 independant outputs,
and the only way to get them is to use a 64-pin 18fxxxx, which is a bit
overkill for me, or use a second PIC, bond to the first (I²C or SPI) which is
also overkill but could be acceptable in the absence of another "clean"
solution.
It will only be used for dimming LED's, and I don't need particular features
like dead-band, half or full bridges, precise or stable frequency.....
To my surprise, I didn't find a software PWM library in Jallib 1.8.....Or do I
miss something ?
Have a nice day
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