Ask questions, find answers, and share insights on STM32 products and their technical features.
I have a question about PVD.I have this main.c file. My interrupt function void TM_PVD_Handler(uint8_t status) won't execute when the power goes off. Why? In this case, I'm sending a message to the UART to see if my computer recieves the message befo...
PART NO: STM32H743IIT6CUBE_IDE VER: 1.19.0SDK : STM32Cube FW_H7 V1.12.1LSE PART NO. : CM9V-T1A-32.768kHz-12.5pF-20PPM-TA-QCHello everyone,I am trying to use RTC on mentioned STM part number. I have enable LSE and configured the RTC.Currently i am not...
Hi everybody,I've two cards with a STM32F446 on them.My first one works very well, the µc starts a each time.On the second card, the µc starts sometimes (I have a LED on my card that blinks at start).I've checked Vcap (2.2µF), the 3V3 rising (1ms), b...
Hello STM32 community,I’m working on a project where I need to temporarily disable/enable the watchdog before entering into low-power/sleep modes, but I want to avoid resetting the MCU.Here’s the context:I’m using an STM32U385 MCUI know that watchdog...
Hello Team,I want to store encryption Key - 4 byte into Option Byte OR any other memory Except in-built Flash Memory.Is it possible to write in Option Memory ? If not what could be the other option ?
I was configuring USB as virtual com port for stm32f401ccu6 (Black Pill) using HAL. I am getting clock issues. I tried multiple times but can't resolve them. please help me.
Message:I have configured PA11 and PA12 pins in input mode, but they are not responding — I’m continuously getting a low level from the MCU side.For testing purposes, I configured the same pins as output, and they work fine in output mode.To verify h...
I tried to download library from https://www.st.com.cn/zh/embedded-software/stsw-stm32054.html several times but failed.When I clicked download v3.5.0, nothing happened. By the way, we network is fine. Is it forbiden to download this version?
This is a question related to SPI communication.What is NSSP mode? What does it do?Also is there any documentation that explains all parameters in detail other than this
I'm trying to use 2 timers (TIM1, TIM8) in sync.Everything works OK when using same value for both timers' ARR.But drift occurs when using two different values as ARR (i.g. 3999 for TIM1 & 19999 for TIM8).What could be causing this drift? tim.c/* TIM...
