KEYSLOT.CONFIG[n].PERM

Address offset: 0x404 + (n × 0x8)

Define permissions for the key slot. Bits 0-15 and 16-31 can only be written when equal to 0xFFFF.

Note: Writing/reading this register requires the KMU SELECTKEYSLOT register to be set to n+1.


Bit number				31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ID																			D														C	B	A
Reset 0xFFFFFFFF				1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
ID	R/W	Field	Value ID	Value								Description
A	RW	WRITE										Write permission for key slot
			Disabled	0								Disable write to the key value registers
			Enabled	1								Enable write to the key value registers
B	RW	READ										Read permission for key slot
			Disabled	0								Disable read from key value registers
			Enabled	1								Enable read from key value registers
C	RW	PUSH										Push permission for key slot
			Disabled	0								Disable pushing of key value registers over secure APB, but can be read if field READ is Enabled
			Enabled	1								Enable pushing of key value registers over secure APB. Register KEYSLOT.CONFIGn.DEST must contain a valid destination address!
D	RW	STATE										Revocation state for the key slot Note that it is not possible to undo a key revocation by writing the value '1' to this field
			Revoked	0								Key value registers can no longer be read or pushed
			Active	1								Key value registers are readable (if enabled) and can be pushed (if enabled)