When STM32L4 wakes up from Stop mode, ADC is not ready
HI ,My question is STM32L4 goto sleep (STOP2 mode). I found ADC function is not working when MCU wakup.If not goto sleep ADC is working well.
STM32 MCUs Products
Ask questions, find answers, and share insights on STM32 products and their technical features.
Forum Posts
HRTIM permanent Fault request
Hello,I'm having fun with hrtim configuration on STM32G4.To prevent to broke my device, I implement a faults management. I have also an external event that disable output (delayed idle mode), which can be reactivated by software when external event d...
STM32h743 fmc sdram unaligned read
Hi, i have read many guides about remapping sdram to 0x60000000 address range or setting up MPU to solve unaligned access exception. The exception is not a problem for me. The referce manual states that FMC peripheral does not support unaligned read ...
How to stop executing program/halt the CPU
One of our project has problem, not easy to find, because of nonregularity of occuring in unknow part of code (it hasnt been reproduced in controlled way). I would like to write macro, that will replace every call of problematic part of code (which i...
How do you connect more than 12 PDM mics to SAI (H7)
I'm looking for advice on connecting 25 PDM microphones to an STM32H7. This seems possible from the RM, taking advantage of 4x SAI peripherals, each supporting up to 8 mics. However, when checking avail User Manual pins on several H7 variants, they ...
Resolved! USART DMA always two times received.
I'm using STM32L476 MCU.I config DMA Setting for USART. And I use HAL_UART_Receive_DMA in main.cIf I received data, test_count always increase two.void DMA1_Channel6_IRQHandler(void){ /* USER CODE BEGIN DMA1_Channel6_IRQn 0 */ test_count ++; /* USER...
Low Power UART
What is the difference between LPUART and UART?. As far as i read there is no difference to use LPUART and normal one(except power consumption ofc). If I change my UART channel to LPUART, will be any difference? Will be the LP ones DMA usage differ ...
