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Forum Posts

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
  • 2961 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
  • 2276 Views
  • 4 replies
  • 1 kudos

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
  • 9760 Views
  • 30 replies
  • 0 kudos