STM32 MCUs Products

Hi, i would like to know which chip is under name ST A267BB (100 pin case ).

Three phase AC input to 5V/500mA transformerless

A) Input is 3 phase acB) Output required is 5Vdc/500mA C) Should be trasnformless, inductor can be usedI checked VIPER318HD, ( https://eds.st.com/console/#/app/acdc/ic_acdc_catalogs/filter/%5B%22buck%22%5D/selected/viper318hd:buck ) & designed using ...

Low power modes on STM32L4 series MCU

Hi, Below is my requirement: Need to send a DAC sample every 2ms (on 32KHZ clock) Every 12 sec will do an access to external flash to copy a block of memory (on HSI clock)how can i accomplish this? am new to microcontroller, can anyone help me with s...

DWT_CYCCNT does not seems to count cycle

I'm using follow code:volatile unsigned int *DWT_CYCCNT = (volatile unsigned int *)0xE0001004; //address of the register volatile unsigned int *DWT_CONTROL = (volatile unsigned int *)0xE0001000; //address of the register volatile unsigned int *DWT_L...

Run Debugger in one step

hi I want to enter the debugger mode and then run the whole code by clicking 'Run' button or F5. but every time that I click 'Run' it just goes one step forward and it even enters inner functions...what should I do?

i need to create the motor profile of 86BLF03 WITH x-nucleo ihm08m1 AND nucleo f303re

i am trying to create 86BLF03 motor profile using X-NUCLEO IHM08M1 AND NUCLEO F303RE boards, i am having serious problems cause i can't find max current, vbus, magnetic.Moreover X-NUCLEO IHM08M doesn't give me any information about the phase of the c...

Hi, I am using stm32f103c8 board for development purpose. I want to interfacing SD Card (SPI protocols). using arduino ide but not working , so please tell me it is supported arduino ide . if support arduino ide then share library.

Change SPI CRC init value stm32F7

I wonder How Ican change the init value of the spi crc. the only thing I can see that I´m able to configure is SPI_HandleTypeDef *pSpiHandle; pSpiHandle->Init.CRCCalculation = SPI_CRCCALCULATION_ENABLE; pSpiHandle->Init.CRCLength = SPI_C...

STM32G474 USART: Confusing reference manual: How to clear Auto Baud Rate Error

The reference manual (RM0440 Rev4, page 1667 and page 1672), regarding the USART_ISR register, bit ABRE "Auto Baud Rate Error" says the following:Bit 14 ABRE:Auto baud rate errorThis bit is set by hardware if the baud rate measurement failed (baud ra...