Forum Posts
Resolved! STM32L073RZ: PA15 AF5 alternate function (TIM2_CH1) seems unavailable
I've been trying to use the TIM2_CH1 function for PA15 but without success on a Nucleo-L073RZ. This function works OK on pins PA0 and PA5. Also PA15 works if set in GPIO output mode.Errata document does not state anything about this pin.Could you con...
More about STM32H747 ADC
I have an STM32H747i-Disco board and looking at the ADC example (which I have compiled and ran successfully)The example uses channel 18 and GPIO PA0_4 as both master and slave ADC inputs.I would like to use PA0_C and PA1_C as the two ADC inputs but I...
STM32H755 SDMMC1 and PLL1Q provides unstable clock signal
Hi,I'm attaching a picture of my clock configuration and Logic Analyzer (Saleae Logic Pro 8) so it is easier to see what I'm doing.I have set the SDMMC clock divide factor to 1 in the configuration tab, which should produce a divide factor of 2 in th...
Resolved! Cannot configure VREF on Nucleo-64 STM32G474RE
Hi,Using STM32G474RE board (Nucleo-64). I have tried a lot of different things to configure VREFBUF and none of them have any effect.I'm outputting two voltages on DAC1 at 75% scale and 25% scale and they are always relative to approx 3.25V (which is...
SPI_DMAAbortOnError when trying the spi example dma
Hi I am tryingthe spi dma example for stmH7 nucleo board, it is always takes me to the SPI_DMAAbortOnError function, and it looks like it is because it gives HAL_SPI_ERROR_UDR, any idea what could have caused it? For my master I am using 1Mbps clock ...
TIM2 Retriggerable Output (COMP1_Output ETR)
Hello, I am using an STM32L432KCU and I trying to use the TIM2_CH1 output as a re-triggerable output with TIM2 ETR input connected to COMP1_Output.The configuration done by STM32CubeIDE (version 1.3.0, build 5720_20200220_1053 (UTC)) is the following...
STM32F030C8T6 定时器中断�?能准确定时，主频率是48MHz
下�?�是我的代�?void TimerInit(){ TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; NVIC_InitTypeDef NVIC_InitStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); TIM_DeInit(TIM3); TIM_TimeBaseStructInit(&TIM_TimeBaseStructure); TIM_TimeBaseStruct...
timer + ADC + DMA (ADC ISR overrun)
Hi all,I want to use timer 2 to trigger ADC function (ADC3) on STM32H743ZI2 platform. After DMA & timer starting, I stuck in HAL_ADC_IRQHandler(). /* Multimode not set or feature not available or ADC independent */ if ((hadc->Instance...
how to find the reset reason in STM32H743 device
i would like know the cause of reset during the power on stage for may application.i would like to differentiate if its power on reset/NVIC reset/WDG reset or any other cause?
