CONFIG_KINETIS_FLASH_CONFIG_FSEC

Flash security byte (FSEC)

Flash security byte (FSEC)

Type: hex

Help

Configures the reset value of the FSEC register, which includes
backdoor key access, mass erase, factory access, and flash security
options.

Help

Configures the reset value of the FSEC register, which includes
backdoor key access, mass erase, factory access, and flash security
options.

Direct dependencies

(KINETIS_FLASH_CONFIG && SOC_FAMILY_KINETIS) || (KINETIS_FLASH_CONFIG && SOC_FAMILY_KINETIS)

(Includes any dependencies from ifs and menus.)

Defaults

• 0xfe

• 0xfe

Kconfig definitions

At <Zephyr>/soc/arm/nxp_kinetis/Kconfig:119

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:36 → <Zephyr>/soc/Kconfig:15 → <nRF>/doc/_build/kconfig/Kconfig.soc.arch:2

Menu path: (Top) → Hardware Configuration → Kinetis flash configuration field

config KINETIS_FLASH_CONFIG_FSEC
    hex "Flash security byte (FSEC)"
    range 0 0xff
    default 0xfe
    depends on KINETIS_FLASH_CONFIG && SOC_FAMILY_KINETIS
    help
      Configures the reset value of the FSEC register, which includes
      backdoor key access, mass erase, factory access, and flash security
      options.

---

At <Zephyr>/soc/arm/nxp_kinetis/Kconfig:119

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:36 → <Zephyr>/soc/Kconfig:18

Menu path: (Top) → Hardware Configuration → Kinetis flash configuration field

config KINETIS_FLASH_CONFIG_FSEC
    hex "Flash security byte (FSEC)"
    range 0 0xff
    default 0xfe
    depends on KINETIS_FLASH_CONFIG && SOC_FAMILY_KINETIS
    help
      Configures the reset value of the FSEC register, which includes
      backdoor key access, mass erase, factory access, and flash security
      options.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)