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MCU Temperature Reading Errors

Question asked by David Luksenberg on Aug 23, 2018
Latest reply on Aug 26, 2018 by Fang Li

We use a PIT and DMA to scan a number of ADC channels ever ms on a KV31. The ADC clock is 10 Mhz (MCU clock divided by 8). On occasion, post a reboot, the single ended temperature reading from ADC0 will be stuck at 25 C or on rare occasion report roughly 10 C below the actual measured temperature. All other voltages on that ADC appear to be normal.


Has anyone had an issue like this?