STM32 MCUs Products

Hello! I m using uC STM32G491 and I want to use CH1 and CH2 from TIM1 for asymmetric PWM to command a H bridge. In RM says that I must use CH1 and CH3 (oc1refc and oc3refc) and nothing about CH1 and CH2. Can I use them?

How to access the 2KB user option bytes in H7

In the STM32H7 datasheets, page 23 (H750) or 26 (H743) - ST says the device has 2KB user option bytes flash area. Does anyone have idea if this is a typo? Or how to access this memory?If it really is there - it has a good potential to be used as conf...

SPI loopbacking not working

I am using nucle-h745ziq ,SPI1 as Full duplex master and SPI4 as Full duplex salve.And both have same freuncy 25MHZ .And spi1 prescalar is 2.But SPI4 is not start the communication.Both structure parameter are same.In spi.c libabry I am uing if(HAL_...

Is there a possibility of a mistake in stm32F4/7 reference manual About Encoder mode in Timer section?

We have three options to select encoder mode In SMS bits (Slave Mode Selection) of TIMx_SMCR register. Based on the description following each mode in this register, counter counts UP/Down on each TI2FP1/TI1FP2 edge based on the TI1FP2/TI2FP1 level o...

How to Transfer Data use of simple GPIO pins micro Controller to micro Controller?

*How we can transfer (eg:2 bytes of ) data through simple GPIO pins without using any of the communication protocols (uart,spi,i2c,etc..)

How to excess DMA_SxNDTR register

I am trying to collect data from ADC using DMA in circular buffer mode.i want to excess/read DMA_SxNDTR register. also tell me how to read data from circular buffer. I have written code for reading count from DMA_SxNDTR but it is not working , it is...

STM32G4 ADC1 DMA issue.

I am trying to read 3 ADC channels (ADC1) via DMA but I get false values in the watch window./* Private user code ---------------------------------------------------------*//* USER CODE BEGIN 0 */uint32_t value1[3];/* USER CODE END 0 *//** * @brief T...

Yet another "No ST-LINK detected! " issue

I have had STM32CubeIDE v1.3.0 working with my hardware. I just upgraded to Cube to v1.6.1. Now when I try to debug, I get "No ST-LINK detected! " message box This has happened before (my upgrade to 1.4.1 failed so I rolled back to 1.3.0). ST-LINK...