AK7401 Datasheet, PDF (21/29 Pages) Asahi Kasei Microsystems – Rotary Position Sensor IC

[AK7401]
2) E_ID(Addr. 0x04)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
E_ID[11:0]
These EEPROM can use freely for traceability purpose.
3) E_RD (Addr. 0x05)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
-
E_RD[2:0]
These EEPROM contain the configuration data for magnet rotation direction. To validate the user
configuration in Normal Mode, store the configuration data in E_RD via WriteEEPROM operational code
in User Mode.
CCW (counter clockwise) is defined by 1-4-5-8 pin order direction for SOP-8 package top view position.
CW (clockwise) is defined by 8-5-4-1 pin order direction for SOP-8 package top view position.
Rotation
Direction
E_RD[2:0]
Default
CCW
0x0
●
CW
0x7
WARNING: If data except “0x0” and “0x7” is set to E_RD[2:0], the rotation direction can not be
guaranteed.
4) E_ZP (Addr. 0x06)
DATA[11:0]
11
10
9
8
7
6
5
4
3
2
1
0
E_ZP[11:0]
These EEPROM contain the configuration data for the zero degree point. This data is used as a
reference of the 12-bit angle data. To validate the user configuration in Normal Mode, store the
configuration data in E_ZP via WriteEEPROM operation code in User Mode.
014002685-E-01
- 21 -
2015/07