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NVand.1
Associate II
since ‎2020-12-01
‎2023-06-14

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Hello all. I am using an STM32L496ZGT and I am getting blips of ~50mV on the VREFBUF_OUT when the reference buffer is enabled and set to 2.5V. These blips are periodic at 5Hz-6Hz.

2020-12-01
I tried generating a file from CubeMx and leave the main empty (it is only toggling 2 GPIO pins every 500ms). The blips are still there. The MCU is powered from a 3V3 LDO for VDD and VDDA (VDDA also has an RC filter of 0.5Ω-2.1μF in line), while the ...
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