LB11946 Datasheet, PDF (7/14 Pages) Sanyo Semicon Device – PWM Current Control Stepping Motor Driver

Timing Chart
LB11946
TSCH
CLOCK
TSCL
DATA D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
SET
Serially Transferred Data Definition
IA4 IA3 IA2 IA1 DE1 PH1 IB4 IB3 IB2 IB1 DE2 PH2
Output mode
I/O
No.
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 OUTA OUTA OUTB OUTB ratio
0
1
1
1
1
1
1
1
1
1
1
1
1
H
L
H
L 100%
1
1
1
1
0
1
1
1
1
1
0
1
1
H
L
H
L
96
2
1
1
0
1
1
1
1
1
0
1
1
1
H
L
H
L
91
3
1
1
0
0
1
1
1
1
0
0
1
1
H
L
H
L
87
4
1
0
1
1
1
1
1
0
1
1
1
1
H
L
H
L
83
5
1
0
1
0
1
1
1
0
1
0
1
1
H
L
H
L
78
6
1
0
0
1
1
1
1
0
0
1
1
1
H
L
H
L
74
7
1
0
0
0
1
1
1
0
0
0
1
1
H
L
H
L
70
8
0
1
1
1
1
1
0
1
1
1
1
1
H
L
H
L
61
9
0
1
1
0
1
1
0
1
1
0
1
1
H
L
H
L
52
10 0
1
0
1
1
1
0
1
0
1
1
1
H
L
H
L
44
11 0
1
0
0
1
1
0
1
0
0
1
1
H
L
H
L
35
12 0
0
1
1
1
1
0
0
1
1
1
1
H
L
H
L
26
13 0
0
1
0
1
1
0
0
1
0
1
1
H
L
H
L
17
14 1
1
1
1
0
0
1
1
1
1
0
0
L
H
L
H
100
15 1
1
1
0
0
0
1
1
1
0
0
0
L
H
L
H
96
16 1
1
0
1
0
0
1
1
0
1
0
0
L
H
L
H
91
17 1
1
0
0
0
0
1
1
0
0
0
0
L
H
L
H
87
18 1
0
1
1
0
0
1
0
1
1
0
0
L
H
L
H
83
19 1
0
1
0
0
0
1
0
1
0
0
0
L
H
L
H
78
20 1
0
0
1
0
0
1
0
0
1
0
0
L
H
L
H
74
21 1
0
0
0
0
0
1
0
0
0
0
0
L
H
L
H
70
22 0
1
1
1
0
0
0
1
1
1
0
0
L
H
L
H
61
23 0
1
1
0
0
0
0
1
1
0
0
0
L
H
L
H
52
24 0
1
0
1
0
0
0
1
0
1
0
0
L
H
L
H
44
25 0
1
0
0
0
0
0
1
0
0
0
0
L
H
L
H
35
26 0
0
1
1
0
0
0
0
1
1
0
0
L
H
L
H
26
27 0
0
1
0
0
0
0
0
1
0
0
0
L
H
L
H
17
28 0
0
0
0
*
*
0
0
0
0
*
* OFF OFF OFF OFF
0
Note *: Either 0 or 1.
Note *1: In mixed decay mode, set D4 and D10 to 0 and set the MD pin to a level in the range 1.5 to 4.0V.
DEC
MODE
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
SLOW
FAST
FAST
FAST
FAST
FAST
FAST
FAST
FAST
FAST
FAST
FAST
FAST
FAST
FAST
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No.7946-7/14