STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


Can't write to DAC's Control Register from a C++ class.

Hi,I've been having some troubles configuring DAC channels and can't seem to find what the problem is.I have a C++ class that is intended to setup and control a DAC and I can't write on the registers to do it. My class is the following (dac_test_clas...

PMach.3 by Associate II
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The STM32L433 adc isnt too accurate.

Hi I have a STM32L433 processor on a 4 layer board with own ground plane, and below is circuit for VDDA input. I have set the VREF+ to 2.5v, and checked this with my meter, and its perfect (and isnt connected to anything). I placed an accurate 1.026v...


Resolved! Doubt regarding timer interrupt stop function

Hi,I had a doubt regarding the timer interrupt stop function.if(isOpen_Unload == 1){  HAL_NVIC_DisableIRQ(EXTI15_10_IRQn);  HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);  Start_Motor(1);  HAL_Delay(5000);  HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);  HAL_TIM_Base_Start_...

Resolved! Where is the STM32U585 SPI1 CLOCK SELECTION register?

According to the STM32U585 documentation, there is supposed to be a SP1 clock mux selection register, but none is described in the latest programming manual.Does anyone have any idea on what bits I need to set in which register to select the MSIK clo...

SEdel.1 by Associate
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Resolved! NUCLEO-L4R5ZI board CN12 header Pin76 = PG7, pin66 = PG8, config as GPIO output pins, but cannot toggle these two pins, SB130 and SB131 have been removed from the board.

NUCLEO-L4R5ZI board, CN12 header: Pin76 = PG7, pin66 = PG8.SB130 and SB131 have been removed from the board. config PG7, PG8 as GPIO output pins, but cannot toggle these two pinsHere is the code: GPIO_InitTypeDef GPIO_InitStructure = {0}; __HAL_RCC...

HYuan.1 by Associate II
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Resolved! How to fill RAM locations during debug

I need to fill certain RAM (buffer) locations with known values (i.e. compressed audio) during a CubeIDE debug session. I thought there was a way to load values into RAM while the program was stopped at a breakpoint. But I can't seem to find this too...

MHoop.1 by Senior
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