- 17 -
Pin No.
Pin Name
I/O
Description
49
SQSI
I
SUBCODE DATA in.
50
NC
–
Not connected.
51
DCLK
O
DSP / DRAM controller DATA CLOCK out.
52
ZSENS
I
DRAM controller DATA in. (Not used).
53
DATAO
O
DSP / DRAM controller DATA out.
54
PHSENS
I
PHOTO SENSOR in.
55
C2PO
I
C2 error flag in. (H : C2 error).
56
LOCK
I
LOCK in. (H : SPINDLE SERVO LOCK).
57
FOK
I
FOK in (H : FOCUS OK).
58, 59
NC
–
Not connected.
60
ACCCNT
I
ACC CONT in. (H : ON).
61
CLKO
O
Adjust SERIAL CLOCK out.
62
CLKI
I
SERIAL CLOCK in.
63
SCOR
I
SUBCODE SYNC in.
64
DSPSEL
I
SERIAL BUS enable in.
65
SBCLKI
I
Adjust SERIAL CLOCK in.
66
SBDTI
I
SERIAL DATA in.
67
NC
–
Not connected.
68
SBCLKO
O
SERIAL CLOCK out.
69
SBDTO
O
SERIAL DATA out.
70
NC
–
Not connected.
71
BUCHK
I
Connected to VDD. (Not used).
72
VDD
–
IC VDD.
73
NC
–
Connected to VDD.
74
AMUTE
–
Not used.
75
SPCON
O
MOTOR DRIVER STANDBY control. (L : MUTE).
76
NRST
O
DRAM controller IC RESET. (L : RESET). (Not used).
77
YMLD
O
DRAM controller DATA LATCH out. (Not used).
DISC detect sensor LED on / off. (L : ON).
Not used.
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