AK8963C Datasheet, PDF (28/38 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

8.3. Detailed Description of Registers
[AK8963]
8.3.1. WIA: Device ID
Addr
Register
name
D7
D6
D5
D4
D3
D2
D1
D0
Read-only register
00H
WIA
0
1
0
0
1
0
0
0
Device ID of AKM. It is described in one byte and fixed value.
48H: fixed
8.3.2. INFO: Information
Register
Addr
D7
name
Read-only register
01H
INFO
INFO7
D6
INFO6
D5
INFO5
D4
INFO4
D3
INFO3
D2
INFO2
D1
INFO1
D0
INFO0
INFO[7:0]: Device information for AKM.
8.3.3. ST1: Status 1
Register
Addr
D7
D6
D5
D4
D3
D2
D1
D0
name
Read-only register
02H
ST1
Reset
-
0
0
-
0
0
DOR DRDY
0
0
0
0
0
0
0
0
DRDY: Data Ready
"0": Normal
"1": Data is ready
DRDY bit turns to “1” when data is ready in single measurement mode, continuous measurement mode1,
2, external trigger measurement mode or self-test mode. It returns to “0” when any one of ST2 register or
measurement data register (HXL~HZH) is read.
DOR: Data Overrun
"0": Normal
"1": Data overrun
DOR bit turns to “1” when data has been skipped in continuous measurement mode or external trigger
measurement mode. It returns to “0” when any one of ST2 register or measurement data register
(HXL~HZH) is read.
MS1356-E-02
- 28 -
2013/10