AK8963 データシートの表示（PDF） - Asahi Kasei Microdevices

部品番号

コンポーネント説明

メーカー

AK8963

3-axis Electronic Compass

Asahi Kasei Microdevices 

[AK8963]

8. Registers

8.1. Description of Registers

AK8963 has registers of 20 addresses as indicated in Table 8.1. Every address consists of 8 bits data. Data is

transferred to or received from the external CPU via the serial interface described previously.

Name

WIA

INFO

ST1

HXL

HXH

HYL

HYH

HZL

HZH

ST2

CNTL1

CNTL2

ASTC

TS1

TS2

I2CDIS

ASAX

ASAY

ASAZ

RSV

Address

00H

01H

02H

03H

04H

05H

06H

07H

08H

09H

0AH

0BH

0CH

0DH

0EH

0FH

10H

11H

12H

13H

READ/

WRITE

READ

READ

READ

READ

Table 8.1 Register Table

Description

Device ID

Information

Status 1

Measurement data

READ

READ/

WRITE

READ/

WRITE

READ/

WRITE

READ/

WRITE

READ/

WRITE

READ

READ

READ

READ

Status 2

Control 1

Control 2

Self-test

Test 1

Test 2

I2C disable

X-axis sensitivity adjustment value

Y-axis sensitivity adjustment value

Z-axis sensitivity adjustment value

Reserved

Bit

width

8

8

8

8

8

8

8

8

8

8

8

8

8

Explanation

Data status

X-axis data

Y-axis data

Z-axis data

Data status

Function Control

8 DO NOT ACCESS

8 DO NOT ACCESS

8

8 Fuse ROM

8 Fuse ROM

8 Fuse ROM

8 DO NOT ACCESS

Addresses 00H~0CH and 10H~12H are compliant with automatic increment function of serial interface

respectively. Values of addresses 10H~12H can be read only in Fuse ROM access mode. In other modes, read

data is not correct.

MS1356-E-02

- 26 -

2013/10

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