29.5.5 SEFC User Signature Rights Register

This register can only be written if the USRWP bit is cleared in EEFC_WPMR.

This register can only be accessed in Privileged mode.

Name:	EEFC_USR
Offset:	0x10
Reset:	0x00000000
Property:	Read/Write


Bit	31	30	29	28	27	26	25	24
	LOCKUSRB7	LOCKUSRB6	LOCKUSRB5	LOCKUSRB4	LOCKUSRB3	LOCKUSRB2	LOCKUSRB1	LOCKUSRB0
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0


Bit	23	22	21	20	19	18	17	16
	PRIVUSB7	PRIVUSB6	PRIVUSB5	PRIVUSB4	PRIVUSB3	PRIVUSB2	PRIVUSB1	PRIVUSB0
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0


Bit	15	14	13	12	11	10	9	8
	WRENUSB7	WRENUSB6	WRENUSB5	WRENUSB4	WRENUSB3	WRENUSB2	WRENUSB1	WRENUSB0
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0


Bit	7	6	5	4	3	2	1	0
	RDENUSB7	RDENUSB6	RDENUSB5	RDENUSB4	RDENUSB3	RDENUSB2	RDENUSB1	RDENUSB0
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0

Bits 24, 25, 26, 27, 28, 29, 30, 31 – LOCKUSRBx Lock User Signature Rights for User Signature Block x

Value	Description
0	User signature rights RDENUSBx, WRDENUSBx, PRIVUSBx, LOCKUSRBx can be modified.
1	User signature rights RDENUSBx, WRDENUSBx, PRIVUSBx, LOCKUSRBx cannot be modified.

Bits 16, 17, 18, 19, 20, 21, 22, 23 – PRIVUSBx Privileged Access for User Signature Block x

Value	Description
0	User signature area x can be accessed in both User and Privileged modes.
1	User signature area x can be accessed only in Privileged mode.

Bits 8, 9, 10, 11, 12, 13, 14, 15 – WRENUSBx Write Enable for User Signature Block x

Value	Description
0	User signature area x cannot be written.
1	User signature area x can be written.

Bits 0, 1, 2, 3, 4, 5, 6, 7 – RDENUSBx Read Enable for User Signature Block x

Value	Description
0	User signature area x cannot be read.
1	User signature area x can be read.

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