STM32 MCUs Products

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Trigger SPI using Timer

I'm using STM32H723ZG I want to know if a Timer's update event can trigger SPI transfer without any software interrupts.This is the problem

Resolved! STM32U073 VREFINT wrong calibration value in flash?

Hello community,I am running in an issue with the VREFINT calibration value of the ADC.For calculation I use the __LL_ADC_CALC_VREFANALOG_VOLTAGE function from the stm32u0xx_ll_adc.h file and I'm getting wrong values.The Chip is powered with 3.3V and...

thkais by Associate II
  • 277 Views
  • 3 replies
  • 2 kudos

PWM jitter on a home made card

Hello everyone, Some time ago I asked on this website information about jitter on a PWM : Solved: PWM jitter - STMicroelectronics CommunityThe problem was that when generating a PWM, it wasn't very stable. At the time changing the source clock to the...

EliazLB by Associate III
  • 43 Views
  • 4 replies
  • 1 kudos

HSE Bypass mode - Possible use of OSC_OUT as GPIO

Hi I am looking into using STM32F446RCTx for my design, which includes 2 x USB FS 2.0 (1 x Host + 1 x Device). Hence need to provide an external HSE. I want to use an Oscillator, meaning I setup the HSE as "Bypass Clock Source" .With this setup I pla...

BPart.1 by Associate II
  • 169 Views
  • 7 replies
  • 3 kudos

RM0456 discrepancy in ADC oversampling right shift

In the RM0456 at 33.4.31 Oversampler it say:The division coefficient M consists of a right bit shift up to 10 bits, and is defined using the OVSS[3:0] bits in the ADC_CFGR2 register.But at 33.6.5 ADC configuration register 2 (ADC_CFGR2), it allow up ...

nicolas by Senior II
  • 72 Views
  • 2 replies
  • 1 kudos

Resolved! STM32 with Cortex-M85

Could it be time for ST to reveal such an MCU at the summit in a few weeks? Or maybe a Cortex-M55 that actually have integrated flash or MRAM or similar? (STM32N6 is interesting, but I would like to see flash/MRAM/something else integrated...

TLin.5 by Associate III
  • 241 Views
  • 3 replies
  • 4 kudos

Resolved! STM32H573V UCPD CC2 and PC9 interference

HI,I am working on a board using STM32H573V and have a working solution with UCPD detecting an inserted memory stick and running the MSC class. In an other part of the software I am using PC9 as an GPIO push-pull, low speed output and as soon as I se...

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