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Yes, Registers are what I meant. I just ordered a few PIC10F322 & 12F1840 chips (They are very small - 6 & 8 pin). I figure the best way to be sure I get the tones I want at a volume I expect would...

So that means directly writing to the correct ports might do what I want? I didn't start testing yet. I did purchase an LED 3 channel 8-bit PWM driver to try (TLC59731DR). I thought it was SPI,...

Thanks Henrik. I will give it a try and let you know if (When?) I run into problems.

Jim

Hi,
I could use some help choosing the correct PIC. I need to have 2 independent PWM outputs to be used for generating two distinct tones. The only other thing required is to have two input pins...