STM32 MCUs Products

I want to know the higher frequency for external clock with TIM2 in STM32F302VB ?

I want to measure a pulse of 1 ns with input capture of TIM2

Required Current Consumption details of STM32L431CBY7TR for 3.3VDC

Hi Sir/Mam,For our design we are using STM32L431CBY7TR controller which operates at both 1.8VDC and 3.3VDC. For our product we need the Low Power Modes current consumption details for both 1.8VDC and 3.3VDC for our user manual to be mentioned. But in...

Issue with External addressable flash

Hello folks,I am using a STM32F469i-disco board and trying to read the stored variable from the on-board flash. I did use BSP package to init the QSPI and set it to memory mapped mode. Now, I am facing a weird situation.printf("%x\n", (EXTERNAL[0]));...

Hii can anyone help me how to use this smbus feature with example and what shuold be selected for xferoptions ......HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions)

Why are tasks not firing in FreeRTOS when using semaphores

I have a project that I am trying to do to learn using RTOS on STM32F407 Discovery board. I am trying to use semaphores on 4 tasks but after the scheduler starts none of the tasks are firing. Below is the code: #include "stm32f4xx_hal.h" ...

SWO on startup

Hello,after POR, but before a "switch to SWD" sequence has been sent to the debug unit, what function is PB3? Is is only "Jtag dataout" are can it alreadt transfer SWO data.

Unable to get bootloader access over CANBUS. No response from STM32 over CANBUS.

I am trying to flash code over CANBUS on Nucleo-F446. I am referring this application noteshttps://www.st.com/resource/en/application_note/cd00264321-can-protocol-used-in-the-stm32-bootloader-stmicroelectronics.pdfSo according to it in Boot mode the ...

How to read Data with UART circular DMA and byte-by-byte Data and use two Buffer ? with stm32f407 ? without FreeRTOS and realtime !!

Hello Friendsi'm new in STM32 i wanna know how to Read Data Byte-by-Byte from uart Rx Circular Dma and save this data in a buffer ? and my challenge is i do not know my input data length and type of that (hex, bin, ascii ,...)theres any sample code ?...

ADC freezes on power up

I have a project using an STM32L412. It works fine on my bench power supply, but I made it to run on a piece of modular equipment which has a different power supply - this supply is slower starting. On this supply the board seems to work fine except ...