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STM32N6 it's possible to change XSPI2 to XSPI1 for boot using OTP bits ?

TheImmortal
Associate III

‎2025-10-14 1:51 AM

Hello,

I want to change for boot to use XSPI1 interface, but I am not sure about OTP bits, there in description some bits is not very clear, what OTP bits to set to switch if it's possible ?

Additionally if I will use SD card for boot I can set OTP11 value to 0x00000020 (bit5 = 1 = sdcard), write FW to sd and use sd for boot source ?

Thanks.

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