STM32 MCUs Products

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Forum Posts

Bus stall when writing/erasing flash on STM32H7

Hello,I am writing & erasing flash during operation, and this seems to cause a bus stall which prohibits all execution from flash during these operations.AN4808 seems to indicate that if you use a dual-bank device you can avoid this by executing out ...

ST User by Associate III
  • 1599 Views
  • 7 replies
  • 1 kudos

Resolved! STM32H523R PSSI clock configuration

Hello,I’m trying to setup the PSSI interface on the STM32H523RETx to transmit data. I cannot find how is the PSSI_PDCK configure. Neither in the clock tree nor in the RCC register the PSSI clock can be configured (except for enabling it). In RM0481 t...

Hawaka by Associate
  • 182 Views
  • 3 replies
  • 0 kudos

Resolved! STM32H7: Excessive VBAT consumption

Hello everyone In my application using an STM32H7, I noticed that the VBAT pin, with VDD off, draws 1.9 mA. This is excessive current draw.I'm using a CR2032 battery in series with a 100R battery connected to the microcontroller's VBAT pin.What could...

AndreaTW by Associate II
  • 208 Views
  • 4 replies
  • 2 kudos

NUCLEO-H723ZG ADC Accuracy

I'm currently using single 16-bit ADC, my requirement is to have ADC conversion error less than 1mV.I'm using the ADC with DMA. I'm a beginner, currently getting 1-2mV error and it is not constant too.  #define SCALE (3300.0f/65535.0f) uint16_t adc_...

sreyas40 by Associate III
  • 791 Views
  • 27 replies
  • 8 kudos

NUCLEO H563ZI USART GPDMA channel6 not received buffer

Hi~ NUCLEO H563ZI USART GPDMA channel6 not received buffer.   static void MX_USART6_UART_Init(void) /* GPDMA2_REQUEST_USART6_RX Init */ NodeConfig.DestAllocatedPort = LL_DMA_DEST_ALLOCATED_PORT1; NodeConfig.DestHWordExchange = LL_DMA_DEST_HALFWO...

togsin_0-1759126546367.png
togsin by Associate III
  • 382 Views
  • 6 replies
  • 0 kudos

Calculate 16 bit CRC in STM32F207ZG

Greetings,I have used CRC peripheral in STM32G0B1 and its working fine. I am using this peripheral to calculate 16-bit crc. How to accomplish same task in STM32F207ZG ? I am using HAL and after code generation crc init code is very incomplete as per ...

Resolved! STM32H523 MCU unwanted dependency between PB14 and PC9 pins

 Hi everyone,I am working on an STM32H523 MCU and I have recently observed some strange behavior regarding the PB14 and PC9 pins. I have the following setup:PB14 is configured as input (I use this for the TIM2_CH2 alternate function, but this does no...

rbnt by Associate
  • 149 Views
  • 1 replies
  • 1 kudos

Resolved! STM32H563 bootloader command over SPI

Based on the information found in AN4286 rev 14, I am trying to command to bootloader to start executing the application.The setup is a H573 and a H563 connected over SPI @ 0.5 MHz. The 573 operates as SPI master, and the 563 as a slave. I know that ...

Dimlite by Associate III
  • 1823 Views
  • 2 replies
  • 2 kudos