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Resolved! STM32F4 - make watchdog IWDG faster if it is already active?

I want to use the IWDG watchdog with the maximum possible time delay of approx. 30 seconds. As the device cannot be switched off, It has to go into standby mode (HAL_PWR_EnterSTANDBYMode) instead.  The issue here is, that the watchdog would wake it u...

awiernie by Senior II
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  • 6 replies
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Can ROHS BGA be used with SnPb solder?

It's my understanding that it is a bad idea to mix lead-free and leaded solder, and that it can cause cracks.I'm using a TFBGA100 package on an STM32H7 and have some long-term reliability requirements. In order to avoid tin-whiskers, I was considerin...

Resolved! purpose of RCC_RSR_RMVF

I read RCC RSR to determine the cause of reset. It is not clear to me the purpose of RMVF bit. I guess it resets the other flags but why would I want that ? I wonder if I am missing something.

mete by Senior II
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  • 5 replies
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adc external trigger

Posted on March 23, 2017 at 12:06i search in google and i can't find any adc external trigger example code i found timer trigger only.i want adc start conversion when external  pulse found.i want any example code

elec_st by Associate III
  • 3350 Views
  • 10 replies
  • 2 kudos

Resolved! Maximum external clock frequency for STM32H5 timers

What is the maximum clock source frequency can I use as an external clock for timer?I have a 20MHz source and PLL frequency made out of this source. The purpose - generate lower frequency pulses that synchronous to that 20MHz clock with controlled de...

ichudakov by Associate II
  • 2571 Views
  • 4 replies
  • 1 kudos

Resolved! STM32G474RET6: Always boot from bank1 and to jump bank2

HelloIn STM32G474RET6 I want to have 2 banks. Bank 1 for golden (boot image) and Bank 2 for an application image.As I want to have a robust solution I always want to boot from Bank 1 (address: 0x8000000), to check if valid firmware exist in Bank 2 (a...

Resolved! DMA with SAI

Hello,I would like to use DMA with SAI but I am having difficulty writing the code. Can you check if my code is correct and why I cannot retrieve the RX values ?  /* USER CODE BEGIN 2 */ HAL_SAI_RegisterCallback(&hsai_BlockA1, HAL_SAI_RX_HALFCOMP...

DYann1_0-1699536737285.png
DYann.1 by Senior II
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  • 30 replies
  • 0 kudos