24
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
VCC2
IN1F
IN1R
IN2F
IN2R
EXTCLK
C1P
C1M
C2P
C2M
VG
STALL
STHB
S1
S2
S3
BEMFU
BEMFV
BEMFW
SLCOM
SLVM1
N.C.
SLUOUT
SLPG1
N.C.
SLVOUT
N.C.
SLVM2
SLWOUT
SLPG2
N.C.
PW1VM
N.C.
PW1OUT
N.C.
PWPG
N.C.
PW2OUT
PW2VM
Small signal circuit block power terminal 2. (Bip.)
H bridge 1 forward input.
H bridge 1 reverse input.
H bridge 2 forward input.
H bridge 2 reverse input.
Sync clock input terminal.
Charge pump capacitor 1 connection te.
Charge pump capacitor 1 connection terminal -.
Charge pump capacitor 2 connection te.
Charge pump capacitor 2 connection terminal -.
Charge pump output.
Standby terminal.
H1/H2 bridge mute terminal.
Stepping decoder input 1.
Stepping decoder input 2.
Stepping decoder input 3.
STEP detection comparator output. (U phase)
STEP detection comparator output. (V phase)
STEP detection comparator output. (W phase)
STEP motor coil center input terminal.
Stepping power block power 1.
Not used.
Stepping motor output. (U phase)
Stepping power block ground 1.
Not used.
Stepping motor output. (V phase)
Not used.
Stepping power block power 2.
Stepping motor output. (W phase)
Stepping power block ground 2.
Not used.
Half bridge 1 power block power.
Not used.
Half bridge 1 output.
Not used.
Half bridge power block ground.
Not used.
Half bridge 2 output.
Half bridge 2 power block power.
Pin No.
Pin Name
I/O
Description
—
I
I
I
I
I
—
—
—
—
O
I
I
I
I
I
O
O
O
I
—
—
O
—
—
O
—
—
O
—
—
—
—
O
—
—
—
O
—