QSPI Flash in STM32F769I-DISCO

[Ebun.1]

Hello.

STM32F769I-DISCO has two QSPI FLASH.

What are the roles of U12 and U250 in the circuit diagram?

Thank you.

[Tesla DeLorean]

Provides for the use of a QSPI device with an alternate land pattern.

[Ebun.1]

Hello Mr. clive1

Is the U250 a spare device?

[Tesla DeLorean]

It is a ONE or the OTHER choice

U12 MT25QL512ABB1EW9 (MICRON)

OR

U250 MX25L51245G (MACRONIX)

The devices have different physical footprints, the PCB had both land patterns to accommodate either device.

[Ebun.1]

Hello Mr. clive1

I understand.

Thank you for your response.