STM32 MCUs Products

H745 Timer DMA Output Capture Artifact

I have a project where I need to output a precise waveform to drive some external FETs and thought this would be a good opportunity to fill a DMA buffer with CCR values and tie this to TIM2 that is configured with output capture on channel 1. Just fo...

LPTIM interrupt can't wake STM32u5 from STOP low power mode

I am trying to us the LPTIM low power timer to trigger interrupts intermittently while the MCU is in STOP2 mode, but I am unable to do so. I am testing the interrupts by toggling a GPIO pin and checking the output on a scope.Without STOP mode I see t...

Higher Baud Rate using SmartCard with Clock in ISO7816-3

Hi @ChannelI am trying to interface SAM Module TDA8026 with STM32U585 and have few doubtsAny support in this regard(Reference, example library etc)As per the ISO 7816 standard - maximum frequency of clk should be less than 5MHz with default fi and di...

hello is there a function among the HALL functions that allows me to move the TIM1 output on the X axis through a potentionometer

I need help, I have this error to connect SMT32L072CZ on STMCubeProgrammer Error: Activating device: KO. Please, verify the boot mode configuration and check the serial port configuration. Reset your device then try again...

STM32C0 compiler bug: breakpoint jumping to wrong location

I am compiling for the STM32C031C6 (development board)I have optimization set to -Os because otherwise we are not going to fit a simple stack.In normal compilation mode everything is working as expected. (except for a bug I am chasing now)So I have 2...

STM32H743 – quadrature / encoder operation and associated Timers

hello ST,I’m reading about quadrature / encoder operation as would be used for positioning control of stepper motors. We use the STM32H743 in another application, and we need to determine how many channels (how many individual stepper motors) could b...

How to change NDTR after enabling DMA stream?

I can want to change NDTR after enabling DMA stream. but I can't. This is the part of code... LL_DMA_EnableStream(DMA1, LL_DMA_STREAM_5); // works fine now // but I want to change the data length only   LL_DMA_SetDataLength(DMA1, LL_D...