FICR — Factory information configuration registers

Factory information configuration registers (FICR) are pre-programmed in factory and cannot be erased by the user. These registers contain chip-specific information and configuration.

Registers

Table 1. Instances
Base address	Peripheral	Instance	Description	Configuration
0x10000000	FICR	FICR	Factory information configuration

Table 2. Register overview
Register	Offset	Description
CODEPAGESIZE	0x010	Code memory page size
CODESIZE	0x014	Code memory size
DEVICEID[0]	0x060	Device identifier
DEVICEID[1]	0x064	Device identifier
ER[0]	0x080	Encryption root, word 0
ER[1]	0x084	Encryption root, word 1
ER[2]	0x088	Encryption root, word 2
ER[3]	0x08C	Encryption root, word 3
IR[0]	0x090	Identity Root, word 0
IR[1]	0x094	Identity Root, word 1
IR[2]	0x098	Identity Root, word 2
IR[3]	0x09C	Identity Root, word 3
DEVICEADDRTYPE	0x0A0	Device address type
DEVICEADDR[0]	0x0A4	Device address 0
DEVICEADDR[1]	0x0A8	Device address 1
INFO.PART	0x100	Part code
INFO.VARIANT	0x104	Build code (hardware version and production configuration)
INFO.PACKAGE	0x108	Package option
INFO.RAM	0x10C	RAM variant
INFO.FLASH	0x110	Flash variant
INFO.UNUSED8[0]	0x114		Reserved
INFO.UNUSED8[1]	0x118		Reserved
INFO.UNUSED8[2]	0x11C		Reserved
PRODTEST[0]	0x350	Production test signature 0
PRODTEST[1]	0x354	Production test signature 1
PRODTEST[2]	0x358	Production test signature 2
TEMP.A0	0x404	Slope definition A0
TEMP.A1	0x408	Slope definition A1
TEMP.A2	0x40C	Slope definition A2
TEMP.A3	0x410	Slope definition A3
TEMP.A4	0x414	Slope definition A4
TEMP.A5	0x418	Slope definition A5
TEMP.B0	0x41C	Y-intercept B0
TEMP.B1	0x420	Y-intercept B1
TEMP.B2	0x424	Y-intercept B2
TEMP.B3	0x428	Y-intercept B3
TEMP.B4	0x42C	Y-intercept B4
TEMP.B5	0x430	Y-intercept B5
TEMP.T0	0x434	Segment end T0
TEMP.T1	0x438	Segment end T1
TEMP.T2	0x43C	Segment end T2
TEMP.T3	0x440	Segment end T3
TEMP.T4	0x444	Segment end T4
NFC.TAGHEADER0	0x450	Default header for NFC tag. Software can read these values to populate NFCID1_3RD_LAST, NFCID1_2ND_LAST, and NFCID1_LAST.
NFC.TAGHEADER1	0x454	Default header for NFC tag. Software can read these values to populate NFCID1_3RD_LAST, NFCID1_2ND_LAST, and NFCID1_LAST.
NFC.TAGHEADER2	0x458	Default header for NFC tag. Software can read these values to populate NFCID1_3RD_LAST, NFCID1_2ND_LAST, and NFCID1_LAST.
NFC.TAGHEADER3	0x45C	Default header for NFC tag. Software can read these values to populate NFCID1_3RD_LAST, NFCID1_2ND_LAST, and NFCID1_LAST.
TRNG90B.BYTES	0xC00	Amount of bytes for the required entropy bits
TRNG90B.RCCUTOFF	0xC04	Repetition counter cutoff
TRNG90B.APCUTOFF	0xC08	Adaptive proportion cutoff
TRNG90B.STARTUP	0xC0C	Amount of bytes for the startup tests
TRNG90B.ROSC1	0xC10	Sample count for ring oscillator 1
TRNG90B.ROSC2	0xC14	Sample count for ring oscillator 2
TRNG90B.ROSC3	0xC18	Sample count for ring oscillator 3
TRNG90B.ROSC4	0xC1C	Sample count for ring oscillator 4

CODEPAGESIZE

Address offset: 0x010

Code memory page size

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	CODEPAGESIZE										Code memory page size

CODESIZE

Address offset: 0x014

Code memory size

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	CODESIZE										Code memory size in number of pages Total code space is: CODEPAGESIZE * CODESIZE

DEVICEID[n] (n=0..1)

Address offset: 0x060 + (n × 0x4)

Device identifier

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	DEVICEID										64 bit unique device identifier DEVICEID[0] contains the least significant bits of the device identifier. DEVICEID[1] contains the most significant bits of the device identifier.

ER[n] (n=0..3)

Address offset: 0x080 + (n × 0x4)

Encryption root, word n

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	ER										Encryption root, word n

IR[n] (n=0..3)

Address offset: 0x090 + (n × 0x4)

Identity Root, word n

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	IR										Identity Root, word n

DEVICEADDRTYPE

Address offset: 0x0A0

Device address type

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																																			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	Access	Field	Value ID	Value								Description
A	R	DEVICEADDRTYPE										Device address type
			Public	0								Public address
			Random	1								Random address

DEVICEADDR[n] (n=0..1)

Address offset: 0x0A4 + (n × 0x4)

Device address n

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	DEVICEADDR										48 bit device address DEVICEADDR[0] contains the least significant bits of the device address. DEVICEADDR[1] contains the most significant bits of the device address. Only bits [15:0] of DEVICEADDR[1] are used.

INFO.PART

Address offset: 0x100

Part code

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A
Reset 0x00052840				0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	1	0	0	1	0	1	0	0	0	0	1	0	0	0	0	0	0
ID	Access	Field	Value ID	Value								Description
A	R	PART										Part code
			N52820	0x52820								nRF52820
			N52833	0x52833								nRF52833
			N52840	0x52840								nRF52840
			Unspecified	0xFFFFFFFF								Unspecified

INFO.VARIANT

Address offset: 0x104

Build code (hardware version and production configuration)

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	VARIANT										Build code (hardware version and production configuration). Encoded as ASCII.
			AAAA	0x41414141								AAAA
			AABB	0x41414242								AABB
			AACA	0x41414341								AACA
			AAC0	0x41414330								AAC0
			AADA	0x41414441								AADA
			AAD0	0x41414430								AAD0
			AAD1	0x41414431								AAD1
			AAEA	0x41414541								AAEA
			AAF0	0x41414530								AAF0
			AAFA	0x41414541								AAFA
			Unspecified	0xFFFFFFFF								Unspecified

INFO.PACKAGE

Address offset: 0x108

Package option

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	PACKAGE										Package option
			QI	0x2004								QIxx - 7x7 73-pin aQFN
			QF	0x2000								QFxx - 6x6 48-pin QFN
			CK	0x2005								CKxx - 3.544 x 3.607 WLCSP
			Unspecified	0xFFFFFFFF								Unspecified

INFO.RAM

Address offset: 0x10C

RAM variant

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	RAM										RAM variant
			K16	0x10								16 kB RAM
			K32	0x20								32 kB RAM
			K64	0x40								64 kB RAM
			K128	0x80								128 kB RAM
			K256	0x100								256 kB RAM
			Unspecified	0xFFFFFFFF								Unspecified

INFO.FLASH

Address offset: 0x110

Flash variant

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	FLASH										Flash variant
			K128	0x80								128 kB FLASH
			K256	0x100								256 kB FLASH
			K512	0x200								512 kB FLASH
			K1024	0x400								1 MB FLASH
			K2048	0x800								2 MB FLASH
			Unspecified	0xFFFFFFFF								Unspecified

PRODTEST[n] (n=0..2)

Address offset: 0x350 + (n × 0x4)

Production test signature n

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	PRODTEST										Production test signature n
			Done	0xBB42319F								Production tests done
			NotDone	0xFFFFFFFF								Production tests not done

TEMP.A0

Address offset: 0x404

Slope definition A0

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																								A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	A										A (slope definition) register.

TEMP.A1

Address offset: 0x408

Slope definition A1

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																								A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	A										A (slope definition) register.

TEMP.A2

Address offset: 0x40C

Slope definition A2

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																								A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	A										A (slope definition) register.

TEMP.A3

Address offset: 0x410

Slope definition A3

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																								A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	A										A (slope definition) register.

TEMP.A4

Address offset: 0x414

Slope definition A4

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																								A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	A										A (slope definition) register.

TEMP.A5

Address offset: 0x418

Slope definition A5

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																								A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	A										A (slope definition) register.

TEMP.B0

Address offset: 0x41C

Y-intercept B0

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																						A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	B										B (y-intercept)

TEMP.B1

Address offset: 0x420

Y-intercept B1

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																						A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	B										B (y-intercept)

TEMP.B2

Address offset: 0x424

Y-intercept B2

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																						A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	B										B (y-intercept)

TEMP.B3

Address offset: 0x428

Y-intercept B3

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																						A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	B										B (y-intercept)

TEMP.B4

Address offset: 0x42C

Y-intercept B4

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																						A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	B										B (y-intercept)

TEMP.B5

Address offset: 0x430

Y-intercept B5

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																						A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	B										B (y-intercept)

TEMP.T0

Address offset: 0x434

Segment end T0

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																												A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	T										T (segment end) register

TEMP.T1

Address offset: 0x438

Segment end T1

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																												A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	T										T (segment end) register

TEMP.T2

Address offset: 0x43C

Segment end T2

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																												A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	T										T (segment end) register

TEMP.T3

Address offset: 0x440

Segment end T3

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																												A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	T										T (segment end) register

TEMP.T4

Address offset: 0x444

Segment end T4

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																												A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	T										T (segment end) register

NFC.TAGHEADER0

Address offset: 0x450

Default header for NFC tag. Software can read these values to populate NFCID1_3RD_LAST, NFCID1_2ND_LAST, and NFCID1_LAST.

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	D	D	D	D	D	D	D	C	C	C	C	C	C	C	C	B	B	B	B	B	B	B	B	A	A	A	A	A	A	A	A
Reset 0xFFFFFF5F				1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	1	0	1	1	1	1	1
ID	Access	Field	Value ID	Value								Description
A	R	MFGID										Default Manufacturer ID: Nordic Semiconductor ASA has ICM 0x5F
B	R	UD1										Unique identifier byte 1
C	R	UD2										Unique identifier byte 2
D	R	UD3										Unique identifier byte 3

NFC.TAGHEADER1

Address offset: 0x454

Default header for NFC tag. Software can read these values to populate NFCID1_3RD_LAST, NFCID1_2ND_LAST, and NFCID1_LAST.

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	D	D	D	D	D	D	D	C	C	C	C	C	C	C	C	B	B	B	B	B	B	B	B	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A-D	R	UD[i] (i=4..7)										Unique identifier byte i

NFC.TAGHEADER2

Address offset: 0x458

Default header for NFC tag. Software can read these values to populate NFCID1_3RD_LAST, NFCID1_2ND_LAST, and NFCID1_LAST.

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	D	D	D	D	D	D	D	C	C	C	C	C	C	C	C	B	B	B	B	B	B	B	B	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A-D	R	UD[i] (i=8..11)										Unique identifier byte i

NFC.TAGHEADER3

Address offset: 0x45C

Default header for NFC tag. Software can read these values to populate NFCID1_3RD_LAST, NFCID1_2ND_LAST, and NFCID1_LAST.

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	D	D	D	D	D	D	D	C	C	C	C	C	C	C	C	B	B	B	B	B	B	B	B	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A-D	R	UD[i] (i=12..15)										Unique identifier byte i

TRNG90B.BYTES

Address offset: 0xC00

Amount of bytes for the required entropy bits

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	BYTES										Amount of bytes for the required entropy bits

TRNG90B.RCCUTOFF

Address offset: 0xC04

Repetition counter cutoff

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	RCCUTOFF										Repetition counter cutoff

TRNG90B.APCUTOFF

Address offset: 0xC08

Adaptive proportion cutoff

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	APCUTOFF										Adaptive proportion cutoff

TRNG90B.STARTUP

Address offset: 0xC0C

Amount of bytes for the startup tests

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	STARTUP										Amount of bytes for the startup tests

TRNG90B.ROSC1

Address offset: 0xC10

Sample count for ring oscillator 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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	ROSC1										Sample count for ring oscillator 1

TRNG90B.ROSC2

Address offset: 0xC14

Sample count for ring oscillator 2

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	ROSC2										Sample count for ring oscillator 2

TRNG90B.ROSC3

Address offset: 0xC18

Sample count for ring oscillator 3

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	ROSC3										Sample count for ring oscillator 3

TRNG90B.ROSC4

Address offset: 0xC1C

Sample count for ring oscillator 4

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				A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	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	Access	Field	Value ID	Value								Description
A	R	ROSC4										Sample count for ring oscillator 4