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TKuo.1
TKuo.1
Associate III
February 21, 2022
Solved

STM32H755ZIT6 - Why I can't select SRAM in FMC memory type option?

  • February 21, 2022
  • 1 reply
  • 1629 views

I'm using STM32H755ZIT6 MCU. And I want to choose SRAM in the FMC memory type option. However, it doesn't show up in the drop-down menu. What am I missing here?

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0693W00000KZsoZQAT.png

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Best answer by TDK

The package is probably missing the necessary pins for the SRAM.

Yep, looks like the LQFP144 doesn't have the FMC_A0 pin broken out.

0693W00000KZxIJQA1.png

1 reply

TDK
TDKBest answer
Super User
February 21, 2022

The package is probably missing the necessary pins for the SRAM.

Yep, looks like the LQFP144 doesn't have the FMC_A0 pin broken out.

0693W00000KZxIJQA1.png

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TKuo.1
TKuo.1Author
Associate III
February 21, 2022

Thanks for the information! I understand it now.

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