How can I use the USART of the STM32L4R9I DISCO board?
When I configured the USART3 and LPUART1 it was going to the error handler function.can anyone tell why that's happening.
STM32 MCUs Products
Ask questions, find answers, and share insights on STM32 products and their technical features.
Forum Posts
Socket App 100Mbps STM32F4-Disc
Hello everyoneI have two questions.1-) I'm trying to make a socket app application at 100Mbps with the STM32F407VG DISC card. I want to send and receive data via TCP.2-) I want to measure the read and write time of a port.Can you help with these two ...
Disable SWD and JTAG by default for STM32F4 MCU
Hi TeamDoes anyone know how to disable SWD and JTAG by default setting, using HAL library?To protect the firmware for reverse engineering, I want to disable SWD.As you know, it is enabled by default after a reset.Also I know that there RDP to protect...
stm32f746g_Disco bard sdcard raw block write read example through sdmmc Interface?
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...
STM32G4 COMP1 Always triggered
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.
UART DMA TX RS485
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...
STM32F401CCU PCM5102A Sample Rate deviation
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...
Resolved! NUCLEO-L073RZ; Reach lowest power consumption in STOP MODE w/ RTC
#include "main.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* U...
I see some STM32s in stock
Digikey has some STM32 CPUs in stock, lets see how long that stock will last.
Resolved! Bug at the beginning of waveform (DMA transfer)
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...
