STM32 MCUs Products

Use MCO for I2S clock(SCK)

Hello​I use STM32L100.I try to use the clock output from the MCO as the I2S clock.​STM32L100 is an I2S slave and outputs an external clock using MCO(24.5MHz).​Can it use without problems？​​Thank you.​

Updated version of the HAL driver related to the package STM32Cube FW_F7 V1.15.0.

Hello, I'm working with F746ZG Nucleo board with fw package STM32Cube FW_F7 V1.15.0. I seem that the included user manual UM1905 is not updated: C functions related to the CAN described in the document don't correspond to the function interfaces defi...

The following error message is displayed: Please tell me how to respond. Error downloading the following files: stm32cube_fw_IO_v112.zip (Target directory already exists)

weird instruction throughput on STM32F756

I try to measure instruction throughput with the following snippet:float bench(int tries, int repeat) { uint32_t t0, t1, d = 0; unsigned A0, A1, A2, A3, A4, A5, A6, A7, B = 1; A0 = A1 = A2 = A3 = A4 = A5 = A6 = A7 = 0;   for (int i = 0; i < t...

H7 cant write a FMC 16bit word once

if someone can tell me how to write a byte to a FMC memory ?Reading a 16bit word looks correct and I can read the status correctlybut using A0 as register select, this is writing one 16bit word, it seems to write 4 times, A0 is jumping up and down, I...

No wake up possibility after a discontinuity power supplies

Hi,Someone could help me, please?When I remove battery on my system (NO VDD and NO Vbat on the MCU), and I connect it back, the system do not start!!!!The only way to start the system is a NRST signal.ORSwitch OFF and ON only the VDD power supply (VB...

I am working on usart and I need to know the configuration for the code. Can someone check this and let me know if this config is correct or not. 9600 baud rate with 1 stop bit and no parity. I am working on usart1 which is connected to pb6 ( TX )

void sendchar(char c) { USART1->TDR = c; while(!(USART1->ISR & USART_ISR_TC)); }int main(void){ HAL_Init(); SystemClock_Config(); MX_GPIO_Init(); MX_USART1_UART_Init(); while (1) { sendchar('a'); }}// gpio config for pb6 (tx) /*Transmission Pin ...