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Resolved! FD_CAN How to reset error counter

In the FD_CAN register, there is a CEL[7:0]:, REC[6:0]: and TEC[7:0]:,The CEL register is not being reset on read and goes into the Bus-Off mode.Do I need to also reset the REC and TEC register?I am currently using the HAL_GetErrorCounter() function ...

Aeroiiv by Associate II
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  • 6 replies
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Resolved! STM32H747 Works after reset but not after power cycle

Hello all,I have a custom board using an stm32h747bit6. I am able to flash it and it works exactly as intended, but if I power cycle it then it stops working?  If I flash it and then reset the chip it still works fine.I tried some debugging, I config...

peter627 by Associate II
  • 184 Views
  • 1 replies
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Resolved! Issue with VCAP Voltage

HI, I am using STM32H745BIT6 ST controller in my custom board.Configured in Direct SMPS mode. When the board is powered on the VCAP voltage is 1.2V and settling at 1V as expected when we try to flash the program to controller the voltage is same, but...

Amruth by Associate
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  • 1 replies
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Using MISO as an interrupt using LPBAM in Stm32u585

Greetings, I am working with the STM32U585RI and a sensor that asserts an interrupt on the MISO line. I would like to know whether this setup is feasible, and if so, how best to implement it. One approach I have considered is to use a separate pin (L...

MGR9 by Associate
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  • 0 replies
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STM32H7 SRAM ECC Triggered unexpectedly

Hi,I am testing the ECC on DTCM on the STM32H7A3ZI.  At start of day I initialize all of DTCM apart from a single test location.  I have a test which reads from that uninitialized location and successfully provokes the SRAM ECC interrupt, correctly r...

ChrisO by Associate II
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  • 9 replies
  • 1 kudos

Resolved! STM32H7S7L8H6H XSPI instability

IssueHigher ambient temperatures cause communication malfunctions with XSPI memories.DetailsOur design is heavily adopted from STM32H7S78-DK which also has the same issue described below.The application uses memory-mapped mode for both Flash and RAM ...

CCxIF flag in Timerx peripheral

Hi,I'd like to know if execution jumps to the interrupt handler of Timer x only when the CCxIF flag changes state from 0 to 1. What happens if the flag is already set and an event occurs that would have caused the flag to switch from 0 to 1 had the f...