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Pin No.
Pin Name
48, 49
A11, A10
50
VSS
51
VDD
52 to 55
A03 to A00
56 to 60
A04 to A08
61
XOE
62
XCAS
63
VSS
64
XCS
65
A09
66
XRAS
67
XWE
68, 69
D1, D0
70, 71
D2, D3
72 to 74
D4 to D6
75
VSS
76
D7
77
ERR
78
EXTC2R
79
BUSY
80
EMP
81
FUL
82
EQL
82
MDLK
84
CPSY
85
CTMD0
86
CTMD1
87
SPO
88
VSS
89
MDSY
90
LRCK
91
BCK
92
C2PO
93
DATA
94
DIDT
95
DODT
96
DIRCPB
97
MIN
98
SPOSL
99
MCK
100
VSS
I/O
O
ªOutput of address signal to RAM (IC402)
—
Ground
—
Power supply (+5V)
O
Output of address signal to RAM (IC402)
O
Output of address signal to RAM (IC402)
O
Output of output enable control signal to RAM (IC402)
O
Output of column address strobe signal to RAM (IC402)
—
Ground
O
Output of chip select signal to RAM (IC402) (Not used)
O
Output of address signal to RAM (IC402)
O
Output of row address strobe signal to RAM (IC402)
O
Output of read/write control signal to RAM (IC402)
I/O
Input/output of data signal to/from RAM (IC402)
I/O
I/O
Data signal input/output (Not used)
—
Ground
I/O
Data signal input/output (Not used)
I/O
Input/output of error (C2PO) data to external RAM (Not used)
I
External RAM selection input for error data writing ("H": External RAM) (Fixed at "L")
O
RAM access BUSY signal output (Not used)
EMPTY or immediately before FULL of ATRAC data (When DSC=ASC+1: "H")
O
(Not used)
FULL or immediately before EMPTY of ATRAC data (When ASC=DSC+1: "H")
O
(Not used)
O
ATRAC data EMPTY (When DSC=ASC: "H") (Not used)
O
Indicates recording/playback data main/sub ("H": Sub, Linking: "L": Main) (Not used)
O
Interpolation sync signal output (Not used)
O
DSC counter mode output (Not used)
O
O
System clock 512fs signal output
—
Ground
O
Main data sync detection signal output (Not used)
I
Input of L/R clock signal from CXD2535CR (IC121) (44.1 kHz)
I
Input of bit clock signal from CXD2535CR (IC121) (2.8224 MHz)
Input of C2PO signal from CXD2535CR (IC121) (Shows data error status)
I
Playback:C2PO ("H")
I
Input of playback audio data signal from CXD2535CR (IC121)
I
Input of digital audio input data (Not used)
O
Output of digital audio output data
O
Disc drive and EFM encoder/decoder recording/playback mode output (Not used)
I
Input of defect ON/OFF switching signal
I
Pin 87 (SPO) input/output switching input ("L":IN. "H":OUT) (Fixed at "H")
O
RAM controller internal master clock output (Not used)
—
Ground
— 86 —
Function
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