STM32 MCUs Products

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STM32H755 Quadrature Encoder direction Bit

Hello all,I am attempting to read the direction bit and have observed a surprising behaviour. Let’s say my encoder was set to the reverse direction. If I attempt to move the encoder in the opposite direction, the direction bit doesn’t update until I ...

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sarun by Associate III
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  • 4 replies
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Resolved! No target found after first flash

I have a board using STM32F103CBT6 chip.  After flashing the board once (through CubeIDE v1.14.0 with ST-Link v2) I cannot flash it again and keep getting the message "No target found".  Here's a snapshot of the chip circuit:  When I power up the boa...

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Resolved! RTC Alarm under VBAT Conditions

From what I understand, a STM32L433RCT3 MCU powered by VBAT pin will shutdown except for RTC and backup registers.1. I'm wondering if the RTC Alarms can trigger during the VBAT period?2. Will any code execute from the RTC Alarm interrupt during VBAT?...

MVeen.1 by Associate II
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  • 1 replies
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Resolved! Flash memory programming

Hello everyone, iam using nucleo-U575ZI-Q board and trying to do Flash programming. I want to write the data in to the flash and read the data from the flash. I've written the code but something is going wrong with it. Could someone please help me in...

_JITH_ by Associate
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  • 4 replies
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STM32U5 QFN Availability

Is there anywhere tog go to find out when parts that are not currently in stock will be?Some parts even though they are a new product line seem to have NEVER had any stock, and I though the covid supply issues were now sorted.Specifically at the mome...

Resolved! How to design an USB OTG interface

Hello everyone,After several hours of searching, I haven't found a working example of an electronic schematic for interfacing a USB OTG port with an STM32 F7.Furthermore, the documentation provided "AN4869 Rev6" by ST is not clear enough to produce a...

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Boris19 by Associate III
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  • 8 replies
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Resolved! MTBF or FIT for component STM32F446RET6

Dear all, I need to know : 1.MTBF(Mean time between failure)2.Longevity.3.Shelf life or storage life.For component: STM32F446RET6I already try a online support, but the site show me “we can’t save this record ”.Can anybody help me?