AMIS-30622_13 Datasheet, PDF (27/50 Pages) ON Semiconductor – I2C Micro-Stepping Motor Driver

AMIS−30622
Note: The Secure Position is coded on 11 bits only,
providing actually the most significant bits of the position, the
non coded least significant bits being set to ‘0’.
Vmax[3:0] Maximum velocity
Index
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Vmax
Vmax(full step/s) Group
0000
99
A
0001
136
0010
167
0011
197
B
0100
213
0101
228
0110
243
0111
273
1000
303
1001
334
C
1010
364
1011
395
1100
456
1101
546
1110
729
D
1111
973
Acc[3:0] Acceleration and deceleration between
Vmax and Vmin.
Index
Acc
0
000
1
000
2
001
3
001
4
010
5
010
6
011
7
011
8
100
9
100
A
101
B
101
C
110
D
110
E
111
F
111
(*) restriction on speed
Acceleration (Full−step/s²)
0
49 (*)
1
218 (*)
0
1004 .
1
3609 .
0
6228 .
1
8848 .
0
11409 .
1
13970 .
0
16531 .
1
19092 (*)
0
21886 (*)
1
24447 (*)
0
27008 (*)
1
29570 (*)
0
34925 (*)
1
40047 (*)
Vmin[3:0] Minimum velocity.
Index
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Vmin
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Vmax Factor
1
1/32
2/32
3/32
4/32
5/32
6/32
7/32
8/32
9/32
10/32
11/32
12/32
13/32
14/32
15/32
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