STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! STM32L1 ADC only clocked by HSI ?

Heyho,just checking the L162 for a new project, then found that the ADC can only be clocked by the HSI.Is that correct?If yes, why?My experience with HSI (and other RC-oscillators) is that it is "mediocre" at best, rather inaccurate and jitters like ...

LCE by Principal II
  • 230 Views
  • 2 replies
  • 0 kudos

Resolved! GPIOs Input detecting issue on port M

We have implemented a total of five push buttons—two connected to Port E and three connected to Port M. The GPIOs of Port E are functioning correctly. However, the GPIOs of the push buttons on Port M are not being detected properly by the MCU.Even wh...

Push button GPIO.png Push button logic.png
Kaushik1 by Associate III
  • 284 Views
  • 14 replies
  • 2 kudos

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
  • 1655 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
  • 227 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
  • 288 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_...

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
  • 440 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 ...