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MOTOR DRIVE, SPINDLE MOTOR DRIVE, ROTARY DETECTOR
Pin
No.
Mark
I/O
Division
Function
1
SPWIN
I
Roter position detect
comparater(W) input
terminal
2
SPCOM
I
Spindle motor coil center
input terminal
3
EXTCLK
I
Not used, open
4
C1P
—
Charge pump capacitor 1(+)
connect terminal
5
C1M
—
Charge pump capacitor 1(-)
connect terminal
6
C2P
—
Charge pump capacitor 2(+)
connect terminal
7
C2M
—
Charge pump capacitor 2(-)
connect terminal
8
VG
O
Charge pump output
terminal
9
SLVM1
I
Power supply terminal
10
SLUOUT
O
Stepping motor (U) output
terminal
11
SLPG1
—
GND termial
12
SLVOUT
O
Stepping motor (V) output
terminal
13
SLVM2
I
Power supply terminal
14 SLWOUT
O
Stepping motor (W) output
terminal
15
SLPG2
—
GND terminal
16
SLCOM
I
Step motor coil center
input terminal
17
BEMFW
O
Step detect comparater (W)
output terminal
18
BEMFV
O
Step detect comparater (V)
output terminal
19
BEMFU
O
Step detect comparater (U)
output terminal
20
S3
I
Stepping decorder 3 input
terminal
21
S2
I
Stepping decorder 2 input
terminal
22
S1
I
Stepping decorder 1 input
terminal
23
SGND
—
GND terminal
42