STM32 MCUs Products

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Forum Posts

Readout protection from level 1 to 0

I've a STM32L451 uC with 1.8V of supply voltage. I've the readout protection at level 1, but I can't go back to the 0 level. I tried with stlink and jlink ( j-link STM32 Unlock) but it doesn't work.is there a sequence to solve the problem ?The BOR i...

fgori.1 by Associate
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Timer triggered ADC acquisition through DMA

Hi guys,I have an application that requires TIM2 Ch2 to trigger ADC Ch3 every time the timer has a rising edge and in order to reduce the load on the CPU I'm doing it through DMA. Now I seem to have configured my application correctly as the ADC is o...

CDyer.1 by Senior
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  • 8 replies
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STM32H745 ADC2 offset calibration

There is no problem in ADC1 and ADC3 offset calibration in STM32H745.However, when it comes to ADC2 offset calibration, it does not get out of the routine of calibration completion check routine.Is it ADC2 HW fault or ... ?I used the LL_ADC_StartCal...

How to set a VRef for most precise ADC reading STM32F411EC?

Hello,I'm working on my own E load test equipment for my lab that will double as a battery capacity tester and I decided to use out lovely favorite chip the stm32F411ECU AKA "Black pill"So I've set up the conversion amount to around 20 @ continues mo...

MLemo.1 by Associate III
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  • 8 replies
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STML431 ADC differential mode

Hey guys, I'm a bit confused in using the ADC in differential mode. I've got a shunt resistor and want to measure the voltage as exact as possible. One side of the shunt is connected to GND, but with higher currents, this GND is not anymore GND (it's...

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user 143 by Associate III
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  • 6 replies
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