AK7451 Datasheet, PDF (24/32 Pages) Asahi Kasei Microsystems – zero latency angle sensor ic

[AK7451]
e) ABZ output resolution configuration: Able to configure the ABZ resolution by using this
configuration. Relation between ABZ resolution and set value is as following.
ABZ phase resolution
ABZ_RES[3:0]
Default
1024ppr
0x0
●
512ppr
0x1
256ppr
0x2
128ppr
0x3
1000ppr
0x4
900ppr
0x5
800ppr
0x6
700ppr
0x7
600ppr
0x8
500ppr
0x9
400ppr
0xA
360ppr
0xB
300ppr
0xC
200ppr
0xD
100ppr
0xE
50ppr
0xF
 E_MLK Memory (Memory Address：0x08)
E_MLK
Content
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
E_MLK[1:0]
Memory Function: This configuration is used for locking the memory.
By writing data [0x00] (except for 0x03) in address [0x08], the memory lock is executed. Once the
memory is locked, all memory data cannot be changed, and also the memory lock function cannot
be released.
Memory Lock State
Unlocked
Locked
E_MLK[1:0]
0x3
0x0, 0x1, 0x2
Default
●
 E_EBDIS Memory (Memory Address : 0x09)
E_EBDIS
Content
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
E_EBDIS[1:0]
Memory Function: This memory is used for disabling / enabling each abnormal diagnosis function
as necessary. Relation between the diagnosis function and EBDIS is as following. By writing 1 in a
corresponding bit, the abnormal diagnosis function is disabled.
Abnormal Diagnosis
Parameter
Magnetic Flux Density
Tracking Lost
Bit data
E_EBDIS[1]
E_EBDIS[0]
Default
0
0
016006637-E-00
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2016/05