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Pin
Mark
I/O
No.
Division
27
H2 R
I
OUT
28
NC
—
29
H2 VM
I
30
NC
—
31
H2 F
O
OUT
32
NC
—
33
H2 PG1
I
34
H1 PG2
35
NC
—
36
H1 R
O
OUT
37
NC
—
38
H1 VM
I
39
H1 F
O
OUT
40
H1 PG1
—
41
VCC1
I
42
VCC2
43
IN 1F
I
44
IN 1R
I
45
IN 2F
46
IN 2R
I
47
EXT CLK
I
48
CIP
—
49
CIM
—
50
C2P
—
51
C2M
—
52
VG
O
53
STALL
I
54
STHB
I
55
S1
I
56
S2
I
57
S3
I
Function
H bridge 2 reverse output
terminal
Not used, open
Power supply terminal
Not used, open
H bridge 2 forward output
terminal
Not used, open
GND terminal
Not used, open
H bridge 1 reverse output
terminal
Not used, open
Power supply terminal
H bridge 1 forward output
terminal
GND terminal
Power supply terminal
H bridge 1 forward input
terminal
H bridge 1 reverse input
terminal
H bridge 2 reverse input
terminal
Not used, open
Charge pump capaciter 1(+)
connect terminal
Charge pump capaciter 1(-)
connect terminal
Charge pump capaciter 2(+)
connect terminal
Charge pump capaciter 2(-)
connect terminal
Charge pump output
terminal
Stand by input terminal
H1, H2 bridge mute terminal
Stepping decoder 1 input
terminal
Stepping decoder 2 input
terminal
Stepping decoder 3 input
terminal
35
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