AK7401 Datasheet, PDF (17/29 Pages) Asahi Kasei Microsystems – Rotary Position Sensor IC

[AK7401]
4) R_MLK (Addr. 0x03)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
R_MLK[11:0]
These registers contain the 12-bit memory lock indication data. To check the memory condition, R_MLK
can be read via ReadReg operation code in User Mode.
Memory
Condition
Unlocked
Locked
R_MLK[11:0]
Except for 0x5A5
0x5A5
Default
●
5) R_ID(Addr. 0x04)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
R_ID[11:0]
These registers contain the 12-bit identification data which is stored in EEPROM for user traceability
purpose.
6) R_RD (Addr. 0x05)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
-
R_RD[2:0]
These registers contain the configuration data of magnet rotation direction.
CCW (counter clockwise) is defined by the 1-4-5-8 pin order direction for SOP-8 package top view
position.
CW (clockwise) is defined by the 8-5-4-1 pin order direction for SOP-8 package top view position.
Rotation
Direction
CCW
CW
R_RD[2:0]
0x0
0x7
Default
●
7) R_ZP (Addr. 0x06)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
R_ZP[11:0]
These registers contain the configuration data of zero degree point. This data is used as a reference of
the 12-bits angle data.
014002685-E-01
- 17 -
2015/07