Hello, I have a custom STM32WB55 board and for custom purposes, I want to use VDDA=1.8 V and Vref=1.8 V from same Reference IC. According to datasheet, I can decrease VDDA from 3.3 V to as low as 1.62 V but I just wanted to make sure that it won't ca...

Hi,I have a board which has a STM32WB55RGV6 MCU and i have a problem. When i connected my board to Power supply, it consumes just 13 mA. But then suddenly, it increased 94 mA. I measured resistance between GND and VDD_MCU pins. I was 53 ohm. I unders...