MAG3110

Sensors

Freescale Semiconductor, Inc.

13

5

Register Descriptions

Table 9. Register Address Map

Name

Type

Register

Address

Auto-Increment

1. Fast Read mode for quickly reading the Most Significant Bytes (MSB) of the sampled data.

Default Value

Comment

2. Register contents are preserved when transitioning from “ACTIVE” to “STANDBY” mode.

R

0x00

0x01

0000 0000

Data ready status per axis

OUT_X_MSB(2)

R

0x01

0x02 (0x03)

data

Bits [15:8] of X measurement

OUT_X_LSB(2)

R

0x02

0x03

data

Bits [7:0] of X measurement

OUT_Y_MSB(2)

R

0x03

0x04 (0x05)

data

Bits [15:8] of Y measurement

OUT_Y_LSB(2)

R

0x04

0x05

data

Bits [7:0] of Y measurement

OUT_Z_MSB(2)

R

0x05

0x06 (0x07)

data

Bits [15:8] of Z measurement

OUT_Z_LSB(2)

R

0x06

0x07

data

Bits [7:0] of Z measurement

WHO_AM_I(2)

R

0x07

0x08

0xC4

Device ID Number

SYSMOD(2)

R

0x08

0x09

data

Current System Mode

OFF_X_MSB

R/W

0X09

0x0A

0000 0000

Bits [14:7] of user X offset

OFF_X_LSB

R/W

0X0A

0X0B

0000 0000

Bits [6:0] of user X offset

OFF_Y_MSB

R/W

0X0B

0X0C

0000 0000

Bits [14:7] of user Y offset

OFF_Y_LSB

R/W

0X0C

0X0D

0000 0000

Bits [6:0] of user Y offset

OFF_Z_MSB

R/W

0X0D

0X0E

0000 0000

Bits [14:7] of user Z offset

OFF_Z_LSB

R/W

0X0E

0X0F

0000 0000

Bits [6:0] of user Z offset

DIE_TEMP(2)

R

0X0F

0X10

data

Temperature, signed 8 bits in °C

3. Modification of this register’s contents can only occur when device is “STANDBY” mode, except the TM and AC bit fields in CTRL_REG1

register

.

R/W

0X10

0X11

0000 0000

Operation modes

CTRL_REG2(3)

R/W

0X11

0x12

0000 0000

Operation modes