AK8973 Datasheet, PDF (22/31 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

ASAHI KASEI
[AK8973]
8.3.5. HXDA, HYDA, HZDA: Magnetic Sensor DAC Setting Register
Register
Addr
D7
D6
D5
D4
D3
D2
name
Write/read register
E1H
HXDA HXDA7 HXDA6 HXDA5 HXDA4 HXDA3 HXDA2
E2H
HYDA HYDA7 HYDA6 HYDA5 HYDA4 HYDA3 HYDA2
E3H
HZDA HZDA7 HZDA6 HZDA5 HZDA4 HZDA3 HZDA2
Reset
0
0
0
0
0
0
D1
HXDA1
HYDA1
HZDA1
0
D0
HXDA0
HYDA0
HZDA0
0
HXDA[7:0]: Magnetic sensor X-axis offset DAC setting
HYDA[7:0]: Magnetic sensor Y-axis offset DAC setting
HZDA[7:0]: Magnetic sensor Z-axis offset DAC setting
Setting
FFH
FEH
:
81H
80H
00H
01H
:
7EH
7FH
Set voltage [μV]
156.25μV/step
+19843.75
+19687.50
:
+156.25
+0
-0
-156.25
:
-19687.50
-19843.75
Table 3
+
Zero
-
00H
7FH 80H
FFH
[ DAC code setting (HXDA, HYDA, HZDA)]
MS0561-E-01 <Preliminary>
- 22 -
2007/01