STM32 MCUs Products

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Vbat measurement way off (0.15V)

I use the Vbat pin to measure a lithium battery (3.6V) at a STM32L471 (Vcc=1.8V Vdda=3V).However my measurements are off by ~0.15V even though I confirmed the physical signals.Do I have to calibrate the ADC somehow for this to work properly?Expected ...

Resolved! STM32F429ZIT6 doesn't start without debugging session

Hey Guys,I have designed a custom board with the STM32F429ZIT6 which I programm with the STLink debugger together with TrueStudio. So far everything seems to work except that when I don't use a debugging session I have to manually make a reset on NRS...

stm32L151 RTC AlarmA does not work

We have tried to set an rtc alarm interruption but it does not work. We can see in ​debuuger in the system viewer that the alarm has been configured. But when it comes to see the alarm interruption we see that it does not occur.See bellow the code fo...

STM32l152 can't handle load transient response?

Im using a STM32L152RDT6 in my design and a regulator TPS78326 which does the power supply to the STM. If waking up from STANDBY, the load transient response causes a drop of Vin. In this case 2.6V to 2.4V. The STM is supposed to work down to 1.8V, s...

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