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How to stabilize the SDADC2 in STM32F373VCT6?

Hardeep Singh
Associate II

When I connect a voltage source to channel 0 of SDADC2 in single ended mode, then at floating pin and connecting to ground the value displayed is full scale which 65535, while when I connect some voltage like 2V or 3V to same channel then it shows the result fixed as 32738. I checked the software configuration refereing to the Reference Manual and have connected VREF to 3.3V which is VDD.

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