STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Where are the schematics for NUCLEO-H743ZI2

Hello,I have here two Nucleos with an H743 on it. If it is rev Y, it is the "old" 144pin Nucleo board with the break-off ST-link board on top. For this there is a schematics in appendix A of the user manual. But if it is rev V, it is NUCLEO-H743ZI2 ,...

stm32 dma request synchronization settings

Hi,I have an external SPI 8 channel ADC which is connected to the STM32,one of timers would generate a 32KHz 50% pwm signal which is connected to the ADC convert pin, the ADC has a busy pin which is connected to the EXTI0 of the MCU.The plan is to us...

Screenshot 2024-01-14 165113.png Screenshot 2024-01-14 165135.png Screenshot 2024-01-14 165144.png Screenshot 2024-01-14 165120.png

Resolved! STM32H743 - ADC wrong sampling rate

Hi STM32-Community, I'm using an STM32H743 with ADC3 in circular DMA mode. ADC has a clockfrequency of 48 MHz. I'm using 8 channels within this ADC3 and also configured the DMA with said channels each with a sampling time of 64.5 cyles. I'm using an ...

NW2_0-1691752233265.png
NW.2 by Associate II
  • 1814 Views
  • 4 replies
  • 1 kudos

Unwanted flash erase issue

Hi, I am using STM32L072CZT6 for my project. The device operates in two stages: It wakes up at scheduled intervals, save the number of interrupts received to flash , and returns to standby mode. During standby, interrupts wake the device, the count i...

Deepu joy by Associate II
  • 1022 Views
  • 3 replies
  • 1 kudos

STM32 U5 Hard Fault when using SRAM

Hello.I'm trying to use STM32 U5A5' SRAM (SRAM1,2,3,5) and I'm encountering some very weird behavior.When I use the entire aforementioned sram blocks, my mcu hard faults.uint8_t __attribute__((section(".TEST_Section"))) data[1024*1024*2];int main(voi...

PMera1_0-1702386684458.png PMera1_1-1702386785300.png
PMera.1 by Associate III
  • 1175 Views
  • 1 replies
  • 0 kudos

Resolved! STM32H7 without SMPS - VCAP / LDO ?

Heyho,about VCAP / LDO connection in STM32H7 series without SMPS, for example in STM32H733ZGT6 (LQFP-144), when using the internal LDO for core supply.As far as I understand, the VCAP pins are for the connecting buffering capacitors to the internal L...

LCE by Principal II
  • 2960 Views
  • 5 replies
  • 3 kudos