STM32 MCUs Products

GPIO current in Standby mode

I try to run a LED with GPIO during Standby-mode. The GPIO Pin is configured as pull-up.When the MCU changes form Run-mode to Standby-mode the LED brightness reduces.The voltage is constant, so I think there is not enough current provided.Is it possi...

Is it possible to generate a 20Khz pwm on an STM32F429I discovery? And does anyone know how to connect a 4 wire PC fan to an STM32F429I discovery? Thanks, Piero

How to create custom external loader for STM32H750

Hi ,I am using STM32H750 with Nor flash W25Q64 to develop a application, Now I need external loader for W25Q64, But I don't find any example or tutorial that can help me create external loader for H750, So Does anyone can help? thanks.

Can we make ADC functional in Low Power mode for micro-controller STM32L073RZT6.

As per the reference manual "RM0367 Ultra-low-power STM32L0x3 advanced Arm®-based32-bit MCUs" , page no-298, When the main voltageregulator is in Low-power run mode (LPR mode, with the device operating in Low-powerrun, Low-power sleep or Stop mode), ...

Storing hex file in particular address of flash memory

Hello, I want to store a hex file in the particular address of flash memory . I am using the stm32L083cz which has 192 kb flash memory.Flash starts at : 0x0800 0000Want to store hex file at the address : 0x0801 50001Please guide me through this. I am...

F4 or F3 board with ext. RAM and SD ?

Does anybody know a board with a STM32F4 of F3 with the following features:external RAM, 1 MByte or moreSD card interface, alternatively Debug port with VCP or ethernet interfaceA display would be optional.Had been looking at the usual suspects (ST, ...

Usage of HAL_SPI_Transmit

Hi,normally i use HAL_SPI_Transmit    HAL_GPIO_WritePin(Port, Pin, GPIO_PIN_RESET); HAL_SPI_Transmit(...)   HAL_GPIO_WritePin(Port, Pin, GPIO_PIN_SET);Is it possible to use it like following;   HAL_GPIO_WritePin(Port, Pin, GPIO_PIN_RESET); HAL_SP...

Stm32f4 adxl345 i2c not working? Std periph

I wrote code using the stm32f4 discovery card and adxl345 sensor using the i2c communication protocol. But Send data does not respond to my command. Please help me. I'll be crazy.#include "stm32f4xx.h" #include "stm32f4_discovery.h"     #define Max ...

Transmitting multiple bytes through SPI

Hi everyone,I am trying to transmit multiple bytes via SPI.I could read the data through spi, so connections should be ok.Does anyone have idea what can be the reason, that I can not write data to the register of the slave?int writetospi(uint16 heade...