STM32 MCUs Products

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TIM13 and TIM14 PWM output issues STM32H562

Hi All,I have a project that is using the STM32H562. I am having an issue using tim13 and tim14 to generate PWM outputs going to LEDs. The project uses timers tim2, tim3, tim4, tim13, and tim14 for a range of different PWM peripherals. For all of the...

dlewis by Associate II
  • 859 Views
  • 16 replies
  • 2 kudos

STM32F407 I2S2 and I2S3 not syncronized

Hi, I have an STM32F407-DISC1 connected to an Raspberry PI via I2S. The clock frequency is about 3MHz. The STM is receiving as slave on I2S2 and feeding data to a ring buffer. When the ring buffer is half full transmission on I2S3 is started (as slav...

Resolved! CAN normal mode is not working in STM32H563

Hi,   I first worked with CAN with STM32H563 with normal mode. It worked. Later Again I tried it is not working with same code. Loop back mode is working fine. I would like to use other pins for CAN since I am using PD0 and PD1. May I know which pins...

Keerthi by Associate III
  • 436 Views
  • 5 replies
  • 0 kudos

MCU does not come up after short power-cycle

Hi, we are evaluating STM32L4A6VGT6TR, with our new product prototype. We are only suppling one 3.3V to the MCU as it requires. We have already included discharge circuit, and we can see this 3.3V rail will be completely discharged within 0.288s. How...

LZhan.13 by Associate
  • 400 Views
  • 8 replies
  • 6 kudos

Resolved! Timer trigger GPDMA to GPIO without HAL

Hello,I'm trying to port the example found here: https://blog.embeddedexpert.io/?p=1680 to NUCLEO-U385RG-Q.The example in the link is for STM32F411. I've successfully tried the example.Verbatim port of the code leads to USEF being set in GPDMA_C0SR.T...

beSTMax by Associate II
  • 488 Views
  • 8 replies
  • 1 kudos

Resolved! STM32H573V ETH_DMAMR.SWR stuck

I have designed a board with a STM32H573 and a KSZ8081RNACA PHY. As soon as I enable ETH clocks the ETH_DMAMR:SWR bit gets set.Verified:1. The 50 MHz clock from the PHY is present and stable (oscilloscope) at PA12. GPIO PA1 is configured for AF11, NO...

DirkH by Associate II
  • 401 Views
  • 2 replies
  • 1 kudos

Resolved! STM32L011 temperature sensor accuracy

I used the example code in RM, and room temperature is arround 31℃,the ADC value is 10644, calculated temperaure is 4127,  does it means 41.27℃?what will happen if minus temperature?/* Temperature sensor calibration value address */#define TEMP130_CA...

STM32L09 by Associate II
  • 212 Views
  • 2 replies
  • 0 kudos