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STM32H7R3: Use SMPS to power a NOR flash chip, XSPI, and the MCU

EBDRS
Associate II

My question today is kind of simple: I am using the SMPS to supply power to the MCU. Can I also use the SMPS to supply power to a NOR flash chip (W25 by Winbond, the exact chip doesn't matter, but it would be 1.8V with at least 64 Mbit size), and the XSPI I/O to communicate with the chip? Or would this use too much power? I cannot find any info on this.

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