MCUXpresso SDK Documentation
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Hardware requirements

Hardware requirements#

  • FRDM-MCXA153 board

  • USB-C cable

  • Personal Computer

Board settings#

MCUBoot layout#

Region

From

To

Size

MCUboot code

0x00000000

0x00007FFF

32kB

Primary slot

0x00008000

0x0001FFFF

96kB

  • MCUBoot header size is set to 512 bytes

  • Signing algorithm is ECDSA-P256

  • Write alignment is 16 bytes

  • Used SINGLE_IMAGE image strategy due to limited flash size

Image signing example#

imgtool sign   --key sign-ecdsa-p256-priv.pem
               --align 16
               --version 1.1
               --slot-size 0x18000
               --header-size 0x200
               --pad-header
               ota_mcuboot_basic.bin
               ota_mcuboot_basic.SIGNED.bin

If you experience problems with flash erase, check correct configuration of ACL_SEC_x fields in CMPA region.

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