STM32 MCUs Products

Resolved! What is the flash durability for the STM32L475VC?

How many erase / write cycles is the flash inside the STM32L475VC good for?Thanks.David Smith

my stm nucleo external interrupt button keeps getting inside the handler

main.c #include "Board_LED.h" #include "stm32f401xe.h" void PIN_CONFG(); void PIN_EN(); void clear(); int main(void){ LED_Initialize(); PIN_CONFG(13); PIN_EN(13); LED_On(0); while(1){ } return 0 ; } void delay(void){ int i ;...

Dangerous bug in cmsis_os Message implementation?

Posted on March 23, 2017 at 14:12I think that there is dangerous a bug in the cmsis_os implementation, because when you create a queue (thru osMessageCreate), it creates a queue in FreeRTOS with the item size based in the item size configured by the...

HSYNC, VSYNC and Porch Calculations

Hi, I'm having a doubt related to HSYNC, VSYNC and Porch Calculations. I'm working with STM32F746G Disco Board and wanted to understand how these values are calculated. The HSYNC, VSYNC, HBP, HFP, VBP, VFP values mentioned in data sheet (https://cach...

Resolved! arm_bitreversal_32 - undefined reference in CMSIS DSP

I got the latest CMSIS from github and tried using the DSP code on a STM32H743ZI chip. I call three APIs which are:arm_cfft_f32()arm_cmplx_mag_f32()arm_max_f32()The code compiles fine with GCC but when it comes time to link I get a 'undefined referen...

Need clarify of Flash corruption when operation is interrupted.

It's an expected behavior that Flash could be corrupted if the write operation is interrupted, such as by power loss or reset, as stated in RM0360, RM0444 etc.But there is no information about the distribution of the corruption. Only the data writing...

How can I send 32 bit data with STM32 ?

I want to send 32 bit data and I want to read 16 bit data. How can I make this ?Best

STM32L476 Discovery USB CDC Class Source code or Example

Posted on September 04, 2017 at 16:24Hi, I am using STM32L476 Discovery Board, as part of my project i need to enable USB OTG Port as CD C Class. Could some one help me in fining any example for USB OTG CDC Class for STM32L476 Discovery Board. ...

suggestions for someone coming from a dsPIC/pickit/mplab background

I have used the dsPIC30 and 33 family of microcontrollers for several years, a pickit 3 for programming the microcontroller, and MPLab. I would like to try the STM32F7 series, but I don't know the best way to begin. My goal would be to have zero of...

Which microcontroller the best?

Hello everyone,Which of the microcontrollers in STM32 series contains the least silicon erratas, and has the best quality and reliability.Thanks.

STM32 MCUs Products

Forum Posts

Resolved! What is the flash durability for the STM32L475VC?

my stm nucleo external interrupt button keeps getting inside the handler

Dangerous bug in cmsis_os Message implementation?

HSYNC, VSYNC and Porch Calculations

Resolved! arm_bitreversal_32 - undefined reference in CMSIS DSP

Need clarify of Flash corruption when operation is interrupted.

How can I send 32 bit data with STM32 ?

STM32L476 Discovery USB CDC Class Source code or Example

suggestions for someone coming from a dsPIC/pickit/mplab background

Which microcontroller the best?

STM32G474 - HRTIM multi-phase pwm with pulse-pulse...

MTBF: STM32H743VIT6

stm32f103 partially receive from canbus and don't ...

STM32N6 ICache issue

stm32n6 gfx+cubeAI

Stm32h743ii serie with qsi W25Q256JV