STM32 MCUs Products

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Resolved! Comparator Bug Report on STM32G0

I have configured the comparator 2 PB6 on the STM32G071RB Nucleo board. It is configured for rising edge interrupt.  As soon as HAL_COMP_Start is called on the COMP you can see the EXTI rising edge interrupt flag immediately go high. (well not immedi...

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Carl_G by Senior III
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  • 13 replies
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STM32F47VITX6 USB identifies but does not send data

I have an STM32F4227 that identifies its USB port to a host PC and all information looks correct but no data is sent or received. Looking with the debugger the microcontroller is running task scheduler but does not recognize messages being sent. Is t...

STM32F427VITX RTC Init Fails with Timeout

During RTC init when RTC_EnterInitMode is called a unit sets the INIT bit of the RTC_ISR register in the HAL but when it waits for the bit set to respond it times out with the bit never being set. I have run this same firmware on hundreds of other un...

[STM32G0B0] External interrupt

Dear, I'm using a STM32G0B0RET6 as MCU and I encouter a bug on GPIO external interrupt specifically on PC14. Configuring as external IT on rising edge, it works correctly and the interrupt is generated only on rising edge.Configuring as external IT o...

YDann.7 by Associate III
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  • 2 replies
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STM32 internal reference voltage configuration

Hi,I am working with STM32G491RET6 and currently implementing the ADC. I have a question regarding the ADC reference voltage.If the external 3.3 V supply is removed from the VREF+ pin and VREFBUF is disabled, does the ADC operate using any internal r...

Resolved! 'U5 SBus-via-DCACHE1 connectivity

Is this connection real?I don't think so. DCACHE implementation subchapter says:The DCACHE1 is placed on Cortex®-M33 S-AHB bus, and caches only the external RAMmemory region (OCTOSPI, HSPI, and FMC), in the address range [0x6000 0000:0xAFFFFFFF] of t...

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STM32U5 Traceclock

HelloI trying to figure out what the maximum frequency is for the TRACECLK  stm32u5A9.I found this post for the stm32h5https://community.st.com/t5/stm32-mcus-products/traceclk-freq-in-stm32h5/td-p/604127does the same apply for stm32u5 were can i in t...

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Resolved! Can we use RTC timestamp with standby?

We have a STM32H725 and would like to use the RTC timestamp when entering/exiting standby but from what I understand from the reference manual this is not possible? I did run a quick test and the event doesn't seem to fire even though it works as exp...

obj87 by Associate II
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  • 6 replies
  • 1 kudos