[AK8975/C]
8.3. Detailed Description of Registers
8.3.1. WIA: Device ID
Register
Addr
D7
D6
D5
D4
D3
D2
D1
D0
name
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
D6
D5
D4
D3
D2
D1
D0
name
Read-only register
01H INFO
INFO7
INFO6
INFO5
INFO4
INFO3
INFO2
INFO1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DRDY
0
Reset
DRDY: Data Ready
"0":
"1":
Normal
Data is ready
DRDY bit turns to “1” when data is ready in single measurement mode or self-test mode. It returns to “0”
when any one of ST2 register or measurement data register (HXL to HZH) is read.
MS1187-E-02
- 24 -
2010/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
