AK8973 Datasheet, PDF (21/31 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

ASAHI KASEI
8.3.3. H1X, H1Y, H1Z: Sensor Data Register
Addr Register name D7
D6
D5
Read-only register
C2H
H1X
H1X7 H1X6 H1X5
C3H
H1Y
H1Y7 H1Y6 H1Y5
C4H
H1Z
H1Z7 H1Z6 H1Z5
Reset
0
0
0
D4
H1X4
H1Y4
H1Z4
0
D3
H1X3
H1Y3
H1Z3
0
D2
H1X2
H1Y2
H1Z2
0
[AK8973]
D1
D0
H1X1
H1Y1
H1Z1
0
H1X0
H1Y0
H1Z0
0
H1X/H1Y/H1Z: Magnetic sensor X-axis/Y-axis/Z-axis output result
H1X[7:0]: X-axis output result
H1Y[7:0]: Y-axis output result
H1Z[7:0]: Z-axis output result
Minimum value: 00H Maximum value: FFH
8.3.4. MS1: Mode Setting Register 1
Addr Register name D7
D6
Write/read register
E0H
MS1
Reset
WEN4 WEN3
0
0
D5
D4
D3
WEN2 WEN1 WEN0
0
0
0
D2
D1
D0
0 MODE1 MODE0
0
1
1
MODE[1:0]: Operation mode setting
"00": Sensor measurement mode
"01": Setting prohibited
"10": EEPROM access mode
"11": Power-down mode
WEN[4:0]: Setting to enable/disable EEPROM data write
"10101":
Write mode (write enabled)
Other than "10101": Read mode (write disabled)
MS0561-E-01 <Preliminary>
- 21 -
2007/01