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Pin
Mark
I/O
No.
Division
25
CSL2
I
26
FG
O
27
BRK+
I
28
BRK-
I
29
ASGND
—
30
SGND
—
31
S1
I
32
S2
I
33
S3
I
34
BEMFU
O
35
BEMFV
O
36
BEMFW
O
37
SLCOM
I
38
SLPG2
—
39 SLWOUT
O
40
SLVM2
I
41
SLVOUT
O
42
SLPG1
O
43
SLUOUT
O
44
SLVM1
I
45
V
2
I
CC
46
V
1
I
CC
47
VG
O
terminal
Function
Slope capacitor connection
terminal
Speed pulse output
terminal
Brake comparater+ input
terminal (Connected to
power supply through
resistor)
Brake comparater- input
terminal
GND terminal
GND terminal
Stepping decorder 1 input
terminal
Stepping decorder 2 input
terminal
Stepping decorder 3 input
terminal
Step detect comparater (U)
output terminal
Step detect comparater (V)
output terminal
Step detect comparater (W)
output terminal
Step motor coil center
input terminal
GND terminal
Stepping motor (W) output
terminal
Power supply terminal
Stepping motor (V) output
terminal
Stepping motor (V) output
terminal (Connected to
GND)
Stepping motor (U) output
terminal
Power supply terminal
Power supply terminal
Power supply terminal
Charge pump output
terminal (Connected to
GND through capacitor)
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