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Harmful clipping?

Posted: Thu Jan 23, 2020 3:46 am
by knutolai
I have a hardware setup where the FV-1 is connected to a attiny84 (t84) microcontroller. They are both powered by the same 3.3V power supply.

I'm inputting a PWM stream from the t84 to ADCR on the FV-1 via the RC network proposed by the FV1 datasheet (page 5, link below). This causes the 'clip' LED (pin5) to flicker. Can I ignore this warning seeing as both devices are powered and operate on the same power supply or is this setup harmful to the ADCR pin?

http://www.spinsemi.com/Products/datash ... 1/FV-1.pdf