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Peter3 · 2023-05-24

I can successfully output an analog voltage on PA3 from DAC1 Channel 1 via OPAMP1 in follower mode. If I try to use PA4 as a GPIO output the analog voltage on PA3 disappears. Is this a known issue with this chip? Are there any workarounds?The referen...

Peter3 · 2023-05-24

Errata as follows, I don't think any of this is relevant.DAC2.6.1 Invalid DAC channel analog output if the DAC channel MODE bitfield is programmed beforeDAC initialization DescriptionWhen the DAC operates in Normal mode and the DAC enable bit is clea...

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STM32L562 DAC output on PA3 via OPAMP1 follower breaks when using PA4 as GPIO output

Re: STM32L562 DAC output on PA3 via OPAMP1 follower breaks when using PA4 as GPIO output