Data Sheet

ADIS16448

Rev. B | Page 9 of 24

USER REGISTERS

Table 6. User Register Memory Map1

Name

R/W

Flash Backup

Address2

Default

Function

Bit Assignments

FLASH_CNT

R

Yes

0x00

N/A

Flash memory write count

See Table 32

Reserved

N/A

N/A

0x02

N/A

N/A

XGYRO_OUT

R

No

0x04

N/A

X-axis gyroscope output

See Table 9

YGYRO_OUT

R

No

0x06

N/A

Y-axis gyroscope output

See Table 10

ZGYRO_OUT

R

No

0x08

N/A

Z-axis gyroscope output

See Table 11

XACCL_OUT

R

No

0x0A

N/A

X-axis accelerometer output

See Table 13

YACCL_OUT

R

No

0x0C

N/A

Y-axis accelerometer output

See Table 14

ZACCL_OUT

R

No

0x0E

N/A

Z-axis accelerometer output

See Table 15

XMAGN_OUT

R

No

0x10

N/A

X-axis magnetometer measurement

See Table 17

YMAGN_OUT

R

No

0x12

N/A

Y-axis magnetometer measurement

See Table 18

ZMAGN_OUT

R

No

0x14

N/A

Z-axis magnetometer measurement

See Table 19

BARO_OUT

R

No

0x16

N/A

Barometer pressure measurement, high word

See Table 21

TEMP_OUT

R

No

0x18

N/A

Temperature output

See Table 23

XGYRO_OFF

R/W

Yes

0x1A

0x0000

X-axis gyroscope bias offset factor

See Table 37

YGYRO_OFF

R/W

Yes

0x1C

0x0000

Y-axis gyroscope bias offset factor

See Table 38

ZGYRO_OFF

R/W

Yes

0x1E

0x0000

Z-axis gyroscope bias offset factor

See Table 39

XACCL_OFF

R/W

Yes

0x20

0x0000

X-axis acceleration bias offset factor

See Table 40

YACCL_OFF

R/W

Yes

0x22

0x0000

Y-axis acceleration bias offset factor

See Table 41

ZACCL_OFF

R/W

Yes

0x24

0x0000

Z-axis acceleration bias offset factor

See Table 42

XMAGN_HIC

R/W

Yes

0x26

0x0000

X-axis magnetometer, hard iron factor

See Table 43

YMAGN_HIC

R/W

Yes

0x28

0x0000

Y-axis magnetometer, hard iron factor

See Table 44

ZMAGN_HIC

R/W

Yes

0x2A

0x0000

Z-axis magnetometer, hard iron factor

See Table 45

XMAGN_SIC

R/W

Yes

0x2C

0x0000

X-axis magnetometer, soft iron factor

See Table 46

YMAGN_SIC

R/W

Yes

0x2E

0x0000

Y-axis magnetometer, soft iron factor

See Table 47

ZMAGN_SIC

R/W

Yes

0x30

0x0000

Z-axis magnetometer, soft iron factor

See Table 48

GPIO_CTRL

R/W

No

0x32

0x0000

Auxiliary digital input/output control

See Table 33

MSC_CTRL

R/W

Yes

0x34

0x0006

Miscellaneous control

See Table 30

SMPL_PRD

R/W

Yes

0x36

0x0001

Internal sample period (rate) control

See Table 34

SENS_AVG

R/W

Yes

0x38

0x0402

Dynamic range and digital filter control

See Table 35

SEQ_CNT

R

N/A

0x3A

N/A

xMAGN_OUT and BARO_OUT counter

See Table 36

DIAG_STAT

R

No

0x3C

0x0000

System status

See Table 31

GLOB_CMD

W

N/A

0x3E

0x0000

System command

See Table 25

ALM_MAG1

R/W

Yes

0x40

0x0000

Alarm 1 amplitude threshold

See Table 49

ALM_MAG2

R/W

Yes

0x42

0x0000

Alarm 2 amplitude threshold

See Table 50

ALM_SMPL1

R/W

Yes

0x44

0x0000

Alarm 1 sample size

See Table 51

ALM_SMPL2

R/W

Yes

0x46

0x0000

Alarm 2 sample size

See Table 52

ALM_CTRL

R/W

Yes

0x48

0x0000

Alarm control

See Table 53

Reserved

N/A

N/A

0x4A to 0x51

N/A

Reserved

LOT_ID1

R

Yes

0x52

N/A

Lot identification number

See Table 26

LOT_ID2

R

Yes

0x54

N/A

Lot identification number

See Table 27

PROD_ID

R

Yes

0x56

0x4040

Product identifier

See Table 28

SERIAL_NUM

R

Yes

0x58

N/A

Lot-specific serial number

See Table 29

1

N/A means not applicable.

2

Each register contains two bytes. The address of the lower byte is displayed. The address of the upper byte is equal to the address of the lower byte plus 1.