English
Language : 

AK7451 Datasheet, PDF (21/32 Pages) Asahi Kasei Microsystems – zero latency angle sensor ic
[AK7451]
● EEPROM Address Map
Table 13. EEPROM Memory Address Map
Addr.[HEX]
0x00
0x01
0x02
0x03
0x04
0x05
0x06
Memory
symbol
-
-
-
-
E_ID1
E_ID2
E_ZP
R/W Permission
Normal
Mode
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
N.A.
User
Mode
N.A.
N.A.
N.A.
N.A.
R/W
R/W
R/W
0x07
E_RDABZ
N.A. R/W
0x08
0x09
0x0A
E_MLK
E_EBDIS
E_UVW
N.A. R/W
N.A. R/W
N.A. R/W
Note
For ID data
For ID data
For to 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 14. Once set memory lock, this IC cannot be written to any memory.
Note 15. Each register value is duplicated from corresponding memory when the mode transferred to
"Normal Mode" or re-power on. In order to reflect a setup data on an output, please return to a normal
mode or re-power on.
● Each Memory Configurations
 E_ID1 Memory (Memory Address:0x04)
E_ID1
Content
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
E_ID1[11:0]
Memory Function: This memory can be written as identification information or the lot information by the
IC user. Default value is 0x000.
 E_ID2 Memory (Memory Address:0x05)
E_ID2
Content
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
E_ID2[11:0]
Memory Function: This memory can be written as identification information or the lot information
by the IC user. Default value is 0x000.
016006637-E-00
- 21 -
2016/05