STM32 MCUs Products

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LPTIM1 not running

Hello,I'm using the STM32H750VB and want to use the LPTIM1 to wakeup for CSTOP.But i'm not able to let the LPTIM1 run.Code:  SysInt_RegisterIsr(WAKEUP_PIN_IRQn, WakeUpPinInterrupt);  SysInt_SetPriority(WAKEUP_PIN_IRQn, 1, 0);  SysInt_EnableIsr(WAKEUP...

MVanb.1 by Associate II
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  • 4 replies
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STM32F730 DMA data shifted 1 bit

Hi,I am using 2 DMA transfers (DMA2) in the following configuration. The basic project is generated with cubeMX. Mostly clocking and USB parts are done in cubeMX, everything else is done "by hand".The first DMA2 transfer uses stream0 and is transferr...

JStoj.2 by Associate II
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  • 12 replies
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Resolved! differences between STM32H7 rev V and rev Y

Hello,we use STM32H7 in our new development. I was excited about the announcement of the new revision V because it promises an increase of speed from 400MHz to 480 MHz. My distributor told me that except for that, the devices were hard- and software ...

How to improve the firmware to prevent ESD discharge.

Hello,The system has a MCU STM32L151 and here the details.ESD testing + / - 15 KV contact on the box enclosure. PCB is inside and the ground frame is connected to the board and box. F/W Test: I performed ESD test in STOP mode only. The lock is alwa...

CGren.1 by Associate II
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  • 4 replies
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Resolved! Fastest way to set output pin?

I have an interrupt which I'm trying to streamline (for an STM32F031K6). I am using some commands like GPIOA->BSRR |= (1<<4);and i was surprised to see how much there is in this command in the disassembly. Is there any faster way of implementing thi...

deep_rune by Associate III
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  • 4 replies
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