I/O circuit
• FOIN, TOIN, SPIN
LOIN+, LOIN-
OPIN-
5VCC
2K
MITSUBISHI SEMICONDUCTORS
M63020FP
SPINDLE MOTOR AND 5CH ACTUATOR DRIVER
• Hu+, Hu-
Hv+, Hv-
Hw+, Hw-
REF
5VCC
2K
• MU1
2K
5VCC
8K 10K
30K
• BRS
2K
5VCC
8K 4K
10K
• OSC
5VCC
2K
2K
2K
• HB
5VCC
• FG
5VCC
5VCC
• VM1, RSP, U, V, W
VM1
RSP
• 5VCC, FO+, FO-, TO+, TO-, LO+, LO-
U
GND
5VCC
V
W
9Vmax
VM1
INSIDE
REG
LO+
LO-
TO+
GND
• VM2, RSL, SL1+, SL1-, SL2+, SL2-
VM2
RSL1
TO-
FO+
RSL1
SL1+
GND
SL1-
SL2+
(15 / 17)
FO-
SL2-
REV990726