Ask questions, find answers, and share insights on STM32 products and their technical features.
Hiwe are using stm32f746g-disco board.we want to write and read into SDcard through sdmmc interface.We are using following HAL drivers for SDcard write read.we are filling values to W_buff.HAL_SD_WriteBlocks(&hsd1,W_buff,0x00,1,0xFF);HAL_SD_Readblock...
Hi， I'm using comp1 of stm32g474rbt6 and setting 70mV hysteresis.when a DC signal input PB1,the output always shake。But comp4 do not like this.
Hi there!I hope some one can help me. I use one STM32G031F4P6 for one my project, and i use the serial port with one RS485 ic, My problem is that i don't have any problem to receive the data from PC to micro controller the problem is the opposit re...
Hi All, I'm using an STM32F401CCU with a TI PCM5102A DAC. I've set up a simple DMA (code attached) and a naïve square wave function. My issue is that the generated square wave is at the 'wrong' frequency. In the code I am generating a 440 hz (or mult...
#include "main.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* U...
Digikey has some STM32 CPUs in stock, lets see how long that stock will last.
Hi I'm trying to generate a signal with 100 ns time on and 100 ns time off thanks to DMA transfer. My problem is that I have a peak of tension before and I don't know what is it (F446RE)Here is my code:int main (void) { /*Clock and Power initial...
I bought Nucleo-L4R5ZI.I can't find any document with HW information such as memory map, registers, etc. for Nucleo-L4R5ZI.I could find a document with HW layout and other information.Where can I find a document that contains HW information such as...
Iam new to stm32 microcontrollers, i have to read uart continuously and store to array. and size of the data received from uart is variable. if i use the fifo with uart i can solve problem.so please help me how program to receive data from uart in fi...
