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Pin Name
GTOP
XUGF
XPLCK
GFS
PFCK
C2PO
XRAOF
MNT3
MNT2
MNT1
MNT0
XTAI
XTAO
XTSL
DV
SS
FSTI
FSTO
FSOF
C16M
MD2
DOUT
EMPH
WFCK
SCOR
SBSO
EXCK
SUBQ
SQCK
MUTE
SENS
XRST
DIRC
SCLK
DFSW
ATSK
DATA
XLAT
CLOK
COUT
DV
DD
MIRR
DFCT
FOK
FSW
MON
NDP
MDS
LOCK
SSTP
SFDR
I/O
O
O
O
O
O
O
O
O
O
O
O
I
O
I
–
I
O
O
O
I
O
O
O
O
O
I
O
I
I
O
I
I
I
I
I
I
I
I
O
–
O
O
O
O
O
O
O
O
I
O
Function
DA 11 output when PSSL=1. GTOP output when PSSL=0 (Not used)
DA 10 output when PSSL=1. XUGF output when PSSL=0 (Not used)
DA 09 output when PSSL=1. XPLCK output when PSSL=0
DA 08 output when PSSL=1. GFS output when PSSL=0
DA 07 output when PSSL=1. RFCK output when PSSL=0
DA 06 output when PSSL=1. C2PO output when PSSL=0 (Not used)
DA 05 output when PSSL=1. XRA0F output when PSSL=0
DA 04 output when PSSL=1. MNT3 output when PSSL=0
DA 03 output when PSSL=1. MNT2 output when PSSL=0
DA 02 output when PSSL=1. MNT1 output when PSSL=0
DA 01 output when PSSL=1. MNT0 output when PSSL=0
X’tal oscillator circuit input
X’tal oscillator circuit output (Not used)
X’tal selection input pin (Ground)
Digital ground
2/3 divider input of pins 62, 63
2/3 divider output of pins 62, 63
(Not used)
16.9344 MHz output (Not used)
Digital-out ON/OFF control pin (+5V)
Digital-out output pin
Playback disc output in emphasis mode (Not used)
WFCK (Write Frame Clock) output
Sub-code sync output
Sub-P through Sub-W serial output (Not used)
Clock input for SBSO read-out (Ground)
Sub-Q 80-bit output
Clock input for SQSO read-out
Muting selection pin
SENS output
System reset
Used in 1-track jump mode (+5V)
SENS serial data read-out clock
Defect selection pin (Ground)
Input pin for anti-shock (Ground)
Serial data input, supplied from CPU
Latch input, supplied from CPU
Serial data transfer clock input, supplied from CPU
Numbers of track counted signal output (Not used)
Digital power supply
Mirror signal output
Defect signal output
Focus OK output
Output to select spindle motor output filter (Not used)
Output to control ON/OFF of spindle motor (Not used)
Output to control spindle motor servo
Output to control spindle motor servo (Not used)
GFS (Guarded Frame Sync) is sampled by 460 Hz.
H when GFS (Guarded Frame Sync) is H (Not used)
Input signal to detect disc inner most track
Sled drive output
Pin No.
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100