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jeffl.kelley9
Associate III
March 1, 2021
Question

STM32G0/L4/etc. ADC "CALFACT" is obviously some calibration factor, but how do you translate the 7 bits into a numerical value that multiplies the result? Reference manual does not seem to want to say.

  • March 1, 2021
  • 3 replies
  • 1278 views

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3 replies

waclawek.jan
Super User
March 1, 2021

It is used internally by the ADC during conversion, i.e. you don't use it to modify the conversion result.

JW

jeffl.kelley9
Associate III
March 1, 2021

It is used internally during a conversion and is some sort of multiplication factor. What I am after is how to translate the CALFACT number into the actual amount results are multiplied by.

waclawek.jan
Super User
March 1, 2021

That's not documented.

You may be mistaken in considering it to be a multiplier.

Why can't you use the ADC as intended and as described?

JW