AK8973 Datasheet, PDF (20/31 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

ASAHI KASEI
8.3. Detailed Description of Registers
8.3.1. ST: Status Register
Addr
Register
name
D7
D6
D5
D4
D3
D2
Read-only register
C0H
ST
Reset
0
0
0
0
0
0
0
0
0
0
0
0
INT: Interrupt flag bit
"0": Interrupt reset state
"1": Interrupt state
(This bit is valid only in sensor measurement mode (not valid in other modes).)
[AK8973]
D1
D0
WEN INT
0
0
WEN: EEPROM write enabled/disabled state check bit
"0": Read mode
"1": Write mode
8.3.2. TMPS: Temperature Sensor Data Register
Addr
Register
name
D7
D6
D5
Read-only register
C1H
TMPS
TMPS7 TMPS6 TMPS5
Reset
0
0
0
D4
TMPS4
0
D3
TMPS3
0
D2
TMPS2
0
D1
TMPS1
0
D0
TMPS0
0
TMPS[7:0]: Temperature sensor output data
Temperature sensor (T-Sensor) converted data 8 bits
TMPS code
E0H
D0H
C0H
B0H
A0H
90H
80H
70H
60H
50H
40H
30H
20H
Temperature [°C]
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
Table 2
MS0561-E-01 <Preliminary>
- 20 -
2007/01