STM32 MCUs Products

before sold external cryristal, there is no problem to download program, but once sold external crystial, and started external crystal in program, then, always failure to download program. error: flash download failed, -"Cortex-M3"

where can I get STM32L431 QUADSPI memory controller reference design

All do I need is how to initialize, erase, read and write (block and single data) the QUADSPI memory for STM32CubeIDE platform.Thanks in advance

How to program STM32H755zit6?

Hellow!I recently used STM32H755zit6 for a project, I can download the M7 code, but download the M4 code, the error will be "cannot load flash programming algorithm ! " , who can tell me what is going on? Thank you!

Problem with boot while programming stm32f407 mcu

I have a boot problem with the STM32F0407VGT6 (uVision V5.14.0.0.). I designed a custom board and sadly forgot to connect the Boot0 (floating) to GND. Because of that, I can program the MCU, but the controller don’t starts my program by default until...

Encoder Counter be decreased in sometimes when is the motor running in one direction?

When I used Encoder Mode on TIM2, I have set the motor to runs in one direction, so data in the CNT register must be increase. but it seems to be decreased in sometimes.So anyone can explain to me about it?I'm using encoder mode TI1&TI2, Counter Mode...

ADC Driver for STM32 Nucleo L476RG using BARE METAL

I have written a code for STM32 L476RG for converting potentiometer analog output to digital output using ADC1. I am unable to understand SQR register use what should i pass to enable channel 6 of ADC1 in SQR register.Below are code and datasheet inf...

STM32H7 Discovery kit with CUBEMX basic code stops on SystemClock_Config()

I have a STM32H7 Discovery kit with default setup exported, but the code stops in SystemClock_Config(). Debugger stops here: MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_ClkInitStruct->SYSCLKSource) (in stm32h7xx_hal_rcc.c). Any ideas what might be a probl...

Writing to another section of flash from write-protected area

Hi everyone,There is a section in Flash that I don't want to be written or erased, and I applied write protection for this section. The size of this partition is 10kB. So I set the WRP values to WRP1A_STRT = 0 and WRP1A_END = 4. Write protection work...