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

Instances

Instance Base address TrustZone Split access Description
Map Att DMA
FICR 0x00FF0000 HF S NA No

Factory information configuration

Register overview

Register Offset TZ Description
SIPINFO.PARTNO 0x140

SIP part number
SIPINFO.HWREVISION[n] 0x144

SIP hardware revision, encoded in ASCII, for example B0A or B1A
SIPINFO.VARIANT[n] 0x148

SIP VARIANT, encoded in ASCII, for example LACA. See Ordering information for details.
INFO.DEVICEID[n] 0x204

Device identifier
INFO.RAM 0x218

RAM variant
INFO.FLASH 0x21C

Flash variant
INFO.CODEPAGESIZE 0x220

Code memory page size
INFO.CODESIZE 0x224

Code memory size
INFO.DEVICETYPE 0x228

Device type
TRIMCNF[n].ADDR 0x300

Address
TRIMCNF[n].DATA 0x304

Data

SIPINFO

SIP-specific device information is provided in the following chapters.

SIPINFO.PARTNO

Address offset: 0x140

SIP part number

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 R/W Field Value ID Value Description
A

R

PARTNO

9161

0x00009161

Device is an nRF9161 sip

9160

0x00009160

Device is an nRF9160 sip

9131

0x00009131

Device is an nRF9131 sip

SIPINFO.HWREVISION[n] (n=0..3)

Address offset: 0x144 + (n × 0x1)

SIP hardware revision, encoded in ASCII, for example B0A or B1A

Note: When treated as a c-string, content is not NULL-terminated
Bit number 7 6 5 4 3 2 1 0
ID A A A A A A A A
Reset 0xFF 1 1 1 1 1 1 1 1
ID R/W Field Value ID Value Description
A

R

HWREVISION

SIPINFO.VARIANT[n] (n=0..3)

Address offset: 0x148 + (n × 0x1)

SIP VARIANT, encoded in ASCII, for example LACA. See Ordering information for details.

Note: When treated as a c-string, content is not NULL-terminated
Bit number 7 6 5 4 3 2 1 0
ID A A A A A A A A
Reset 0xFF 1 1 1 1 1 1 1 1
ID R/W Field Value ID Value Description
A

R

VARIANT

VARIANT[0] contains the most significant character of the SIP VARIANT. VARIANT[3] contains the least significant character of the SIP VARIANT.

A

0x41

B

0x42

C

0x43

I

0x49

L

0x4C

S

0x53

INFO

Device info

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

Address offset: 0x204 + (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 R/W 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.

INFO.RAM

Address offset: 0x218

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 0x00000100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
ID R/W Field Value ID Value Description
A

R

RAM

RAM variant

K256

0x100

256 kByte RAM

Unspecified

0xFFFFFFFF

Unspecified

INFO.FLASH

Address offset: 0x21C

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 0x00000400 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0
ID R/W Field Value ID Value Description
A

R

FLASH

Flash variant

K1024

0x400

1 MByte FLASH

INFO.CODEPAGESIZE

Address offset: 0x220

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 0x00001000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
ID R/W Field Value ID Value Description
A

R

CODEPAGESIZE

Code memory page size

K4096

0x1000

4 kByte

INFO.CODESIZE

Address offset: 0x224

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 0x00000100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
ID R/W Field Value ID Value Description
A

R

CODESIZE

Code memory size in number of pages

Total code space is: CODEPAGESIZE * CODESIZE

P256

256

256 pages

INFO.DEVICETYPE

Address offset: 0x228

Device 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 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 R/W Field Value ID Value Description
A

R

DEVICETYPE

Device type

Die

0x0000000

Device is an physical DIE

FPGA

0xFFFFFFFF

Device is an FPGA

TRIMCNF[n].ADDR (n=0..255)

Address offset: 0x300 + (n × 0x8)

Address

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 R/W Field Value ID Value Description
A

R

Address

Address

TRIMCNF[n].DATA (n=0..255)

Address offset: 0x304 + (n × 0x8)

Data

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 R/W Field Value ID Value Description
A

R

Data

Data