STM32 MCUs Products

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STM32L562 MEM2MEM DMA complete interrupt delayed

Hello. I'm struggling with DMA on that specific MCU. I'm using MEM2MEM to transfer data from RAM to GPIOD, triggered by TIM3 interrupt. Here's my init code:void MX_DMA_Init(void) { /* DMA controller clock enable */ __HAL_RCC_DMAMUX1_CLK_ENABLE();...

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gumyns by Associate
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Resolved! STM32F401/RM0368 bad GPIOA->MODER reset value

As reported here, this is obviously incorrect.Also, this has been already reported by Uwe Bonnes for 'F411/RM0383, which has indeed been corrected in the registers description, but the GPIO register map still contains the incorrect value. So, could S...

0693W00000QN7YeQAL.png

STM32L4 how to get LSE clock connected with an output pin?

The output pin in question can be configured as LPTIM1_OUT and I know how to configure the LPTIM1 but I'm afraid I'll endup with LSE/2 as a clock. I need the LSE clock source to be connected to that output pin 1:1.Besides using the LPTIM1 isn't there...

RZ by Associate II
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PWM Between 2 stm32

Hi guys,I need a help..and sorry my bad English.I would like to know how i can generate a pwm from one stm nucleo H7A3ZI-Q and read the duty cycle (generated from the first STM32) from another stm, implementing everything via simulink if possiblethan...

GCocc.1 by Associate II
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Resolved! STM32F303RET6 Timer PWM Output Not working as expecte

I am trying to configure a PWM output pin. Ive managed to get it working, however the results are not as expected, and i cannot understand whats happening.Currently my timer clocks are running at 64MHz.I've setup a timer with the follow values, and i...

Check free memory (STM32L0)

Hello,During code execution I would like to monitor the available memory. Is there a default function available to check the available RAM memory? Thanks

STM32-L452RE comparator triggering in both edges

Hey!I have been with a problem with the stm32l452 comparator for a few days now and I can't figure it out. The interrupt of COMP1 triggers on both edges rather than rising edge.I tried differents configurations but main is the following:hcomp1.Init.I...

PParo.2 by Associate II
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I2C with 5 MHz - possible?

If I understand STM32H7xx datasheet, I2C peripherals support up to 1 MHz (FM, FM+), 'officially'.I would need an I2C with 5 MHz SCL clock.I tried and have 'overclocked' I2C with 2 MHz which works fine.Based on the clock configuration (e.g. a 50 MHz P...

STM32H743 interfacing with STUSB1602

HelloI need to interface a STM32H743 with a STUSB1602. I want to port STM32F072_MB1303_DRP_SRCING_DEVICE example to my STM32H743 and use it to control 5x STUSB1602. It seem like this example uses RTOS- Has anyone successful done this or can they reco...

MMevo.1 by Associate II
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