This document outlines the required and optional storage files information for STM32U5 IoT Discovery Kit.
Required files
flash - on-chip main Flash
block_size: 512
blocks: 4096
max: 2097152 bytes
flash-option - Boot options in flash
block_size: 512
blocks: 1
max: 512 bytes
Note: For more information about the flashoptions can be found at
https://www.st.com/resource/en/reference_manual/rm0456-stm32u575585-armbased-32bit-mcus-stmicroelectronics.pdf in section 7.4
flash-otp - OTP memory in Flash block
block_size: 512
blocks: 1
max: 512 bytes
sdcard - SD card
block_size: 512
blocks: 1953125
max: 1000000000 bytes
Optional files
spinor = SPI NOR Flash on QSPI bus
block_size: 512
blocks: 131073
max: 67109376 bytes
Note: If not supplied this will be filled with 0xff.
eeprom = EEPROM
block_size: 512
blocks: 65
max: 33280 bytes
Note: If not supplied this will be filled with 0xff.