AK7451 Datasheet, PDF (15/32 Pages) Asahi Kasei Microsystems – zero latency angle sensor ic

[AK7451]
15. Register / EEPROM Address Map / Configration
● Register Address Map
Table 12. Register Address Map
Addr.
Register R/W Permission
[HEX]
symbol
Normal User
Mode
Mode
0x00
R_ANG
R
R
0x01
R_MAG
N.A.
R
0x02
R_CHMD
W
R/W
0x03 R_ERRMON N.A.
R
0x04
0x05
0x06
0x07
-
N.A. N.A.
-
N.A. N.A.
R_ZP
N.A. R/W
R_RDABZ N.A. R/W
0x08
0x09
0x0A
R_MLK
N.A.
R
R_EBDIS N.A. R/W
R_UVW
N.A. R/W
Note
12bit angle data
Magnetic flux density strength（roughly 1LSB/mT）
For mode state
Error monitor
(This register will show what kind of error is.)
For set up angle zero point
For set up “Rotation direction”, “Z phase output
form”, “ABZ output enable/disable”, “ABZ
Hysteresis” and “ABZ resolution”.
For memory lock
For set up abnormal detection disable
For set up “UVW output enable/disable”, “UVW
Hysteresis” and “UVW resolution”.
Note 9. N.A. = Not Available, R = Read Only, R/W = Read and Write
Note 10. Address 0x02 is only able to be changed by writing OPCODE”0101”
● Each Register Configurations
 R_ANG Register (Register Address:0x00)
R_ANG
Content
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
R_ANG[11:0]
Register Function: This register contains an output angle data. The angle data consists with the
following angle position. And the ABZ hysteresis configuration which is described later in this
section is reflected in this register’s value.
Angle Position [°]
0
（360÷4096）×1
（360÷4096）×2
（360÷4096）×3
：
（360÷4096）×4095
R_ANG[11:0]
0x000
0x001
0x002
0x003
：
0xFFF
016006637-E-00
- 15 -
2016/05