STM32 MCUs Products

using SPI, do we need to control the pins?

I'm trying to set up the SPI5 for a test but see a lot of references online indicating the pins modes need to also be set. I figured the driver would do that. The init seem pretty straight forward. but the transmit does not. Do I need to set my pin m...

Cannot view any ITM data on Debug (printf) Viewer in Keil for STM32H743

Hello All, We are trying to get some debug trace info from our project and trying to use ITM for the same.For our product we are using the follwoing: STM32H743 Keil Version 5.24.1 ULINK 2 debuggerI created a simple project following many forum topics...

STM32U575 not waking from stop2mode using wake up timer interrupt.

I am facing a problem when trying to wake up from Stop2Mode. I am able to come out of stop2mode from an external interrupt with no problem but when using wakeuptimer interrupt the unit doesn't wake up.I have tried that setting the wakeup timer interr...

Hardfault exception on Cortex M0

The hardfault exception often occurs during system operation.​The R14(LR) is 0xFFFFFFF9 in the exception handler(bit2 = 0).So the main stack(MSP) is used, and that value is 0x20003778 like the follwing picture.The following picture is the memory valu...

Reading Vcc at ADC

Hello I need to read the voltage where I connected ADC to the voltage divider. I have a code of ATmega where I need it to convert to HAL code. Can you please suggest me how?here's the code:void readVcc(byte ATR[]) {    ADCSRA |= _BV(ADSC); // Convert...

How can I tell when the FPU is being utilised on an M7 device.

I'm building a computationally demanding application on a STMF2F769DI board using STM32CubeIDE and a USB connection to debug.I've wrapped a segment of code (a FIR downsampling filter) with LED on/off and measured its execution time on an oscillosccop...

hi The Stm32f405 and AD7665 is heating low (not very high) Is it OK? not problem?

STM32F103 thermal resistance (j-C)

Hi, I'm using STM32F103CBU6TR and I can't find the thermal resistance (j-C).BRShmuel