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CVan.18 · 2020-09-17

CVan.18 · 2019-12-19

Setup: 48MHz CPU clock, ADC clock = CPU/4. For various sample times, I get internal reference measurements of: 1.5 - 1925, 7.5 - 1760, 13.5 - 1420, all other sample times give 1550. I thought sample times were to cope with high impedance sources. ...

CVan.18 · 2023-09-20

OK, after I resolved my mistake of using the A/D counts and calling them mV, I still have my problem. My measured value at 30° was 604, which did not match the stored calibration for 30°C (675). We discovered that we were using only 12 clock cycles...

CVan.18 · 2023-09-20

Datasheet temperature slope values don't match calibration values stored in part. My STM32L072CZT6 is reading the calibration values stored in TS_CAL1&2 as 675mV (@30°C) and 911mV (@130°C). Using these values gives me a slope of 2.36mV/°C. The dat...

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We found a way to use the CRS clock-tweaking (for USB) to eliminate a crystal for our CAN board. Does anyone want some details?

ADC measuring internal reference gives strange results for shorter sample times. Is there a way to measure the internal reference with sample times of 1.5?

Re: Getting temperature from STM32G491x internal temperature sensor ADC

Re: Getting temperature from STM32G491x internal temperature sensor ADC