Nordic Semiconductor /nrf5340_application /SPU_S /RAMREGION[51] /PERM

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Interpret as PERM

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (Disable)EXECUTE 0 (Disable)WRITE 0 (Disable)READ 0 (Non_Secure)SECATTR 0 (Unlocked)LOCK

LOCK=Unlocked, READ=Disable, SECATTR=Non_Secure, EXECUTE=Disable, WRITE=Disable

Description

Description cluster: Access permissions for RAM region n

Fields

EXECUTE

Configure instruction fetch permissions from RAM region n

0 (Disable): Block instruction fetches from RAM region n

1 (Enable): Allow instruction fetches from RAM region n

WRITE

Configure write permission for RAM region n

0 (Disable): Block write operation to RAM region n

1 (Enable): Allow write operation to RAM region n

READ

Configure read permissions for RAM region n

0 (Disable): Block read operation from RAM region n

1 (Enable): Allow read operation from RAM region n

SECATTR

Security attribute for RAM region n

0 (Non_Secure): RAM region n security attribute is non-secure

1 (Secure): RAM region n security attribute is secure

LOCK

0 (Unlocked): This register can be updated

1 (Locked): The content of this register can’t be changed until the next reset

Links

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