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skon.1
Associate III
Apr 11, 2023 11:12 PM UTC
Question

STM32H7/F7 FMC Chip Selects

Hello,

I'm looking for an MCU from the STM32H7/F7 lines that has the highest number of Chip Selects for the FMC bus. 

The highest CS count I've seen so far is the STM32H743:

Is this the maximum


_legacyfs_online_stmicro_images_0693W00000bhtcxQAA.png 

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2 replies

Tesla DeLorean
Guru
Apr 12, 2023 1:20 AM UTC

Could always mix with address bits and a decoder of you need more.​

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skon.1
skon.1Author
Associate III
Apr 13, 2023 10:19 PM UTC

I want to avoid that.