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

Iam using STM32L412 nucleo board. To achieve low power consumption Iam using standBy mode and RTC Wakeup. On wakeup I found that the data is not retained .

Iam using STM32CUBEIDE for setting up the project. While refereing I have found some articles stating that standby mode default sram contents are lost and we need to use the backup mechanism also I found a reference like (http://5.9.10.113/62624874/s...

AChan.9 by Associate II
  • 1333 Views
  • 7 replies
  • 0 kudos

Resolved! Incorrect 16-Bit HAL SPI Result in Loop/Reset

Using the stm32h745I-disco board and there seems to be an issue using HAL_SPI_Transmit in a loop. I get the correct SPI data for the initial transmission, but after that the 16-bit value is all over the place. Only 0xFFFF remains the same over the lo...

DWill.4 by Associate II
  • 1499 Views
  • 4 replies
  • 0 kudos

SPI2 not working on NUCLEO-L452RE

HelloI've got an issue to send byte though SPI2 on the STM32L452.SPI1 and SPI3 works without any issue. But nothing on the SPI2.The code was generated from STM32CubeMX.Here is the SPI2 init :static void MX_SPI2_Init(void) {   /* USER CODE BEGIN SP...

LURAN.1 by Associate
  • 320 Views
  • 0 replies
  • 0 kudos

spi1 bus with multiple slave is possible?

Mostly our spi will use these 3 signals (SCK, MISO, NSS (CS) ) in master rx only mode. where multiple slave are connected to SPI and each will have a dedicated CS in star topology as shown above. How to select this NSS/CS pin for individual slave, ca...

0693W00000CzwK4QAJ.png
MDeva.1 by Associate II
  • 665 Views
  • 5 replies
  • 0 kudos

Resolved! Where to find systick register documentation for STM32F4 and H7.

Hi,I founded informations about the HAL systick functions, but I found nothing about systick registers in the ref manual of STM32F429/439 and STM32H745/755.For Cortex M3 STM32F10xxx/20xxx/21xxx/L1xxxx, I founded informations in the PM0056 Programming...

o_ by Associate II
  • 2952 Views
  • 2 replies
  • 0 kudos