STM32 MCUs Products

Questionable STM32F427

Last year I had a production run (built in China) of a board that uses a STM32F427 - 100 pin.This last spring I had another production order built (Feb to May) and the behavior of the part seems to be having timing related issues - same firmware.I to...

I'm using STM32f031k6 microcontroller when i receive the data through hal_uart_recieve the first byte i get is correct after that following bytes are garbage and also if i add the lines after the receive command it won't read the proper values?

How to see what percentage of CPU is used when a program is running

Bonjour,How to see what percentage of CPU is used on a stm32h7 when a program is running?Ulysse

On a printer board with a STM32F103RC, (64pin), could I replace it with a STM32F103RG without changing anything else? i.e, would the extra mem be utilized without changing the firmware etc. Sorry just a beginner,

I am can not update burst mode controller from any trigger.

Im enable pwm output TA1, TA2 and try enable burst mode with changeble BMCMP and BMPER. Im change this registers and try update from timer triggers and software trigger, but pwm output set one burst state and doesnt change. Pwm burst state is updated...

How to put only D2 in standby in stm32h7?

Hello, for a project i'm designing i need to perform complex dsp operations in real time while minimizing power consumption (hence why i chose an h7 instead of an f7 mcu). From the cubeMx power estimation tool i saw that this mcu should be able to re...

Hi, Im New to the stm32 products , Also to Cortex M3 ,Im using the stm32f103 mcu ,programming it on Keil ,In Assembler ,So i got this basic program to output on port C.

can someone tell me where i can find info relating to directives such as AREA ,EXPORT ,DCD as i dont know what they mean .Thankyou

STM32L0x2 LSE CSS trigger

i'm using STM32L072,how to trigger the LSECSS interrupt?i've got HAL_RCCEx_EnableLSECSS(),HAL_RCCEx_EnableLSECSS_IT(), but the flag RCC_IT_LSECSS never set when LSE error comes up. plz give a clue or the flow of LSECSS

Cannot output a single 100% duty PWM using DMA

Hello.I have been writing test code for motor control software.The problem is two 100% duty pulses generated when I give only one pulse.Could you tell me the cause and how to solve this problem?The test environment and code are as follows.[Test envir...