7
KDC-C469/Y/FM/FMA
KDC-C669/Y
Pin No.
Pin Name
I/O
Description
Processing Operation
45
TSI
I
Text data input from servo IC
46
TSO
O
Text data output to servo IC
47
TSCK
O
Text data clock to servo IC
48~55
A0~A7
O
Address setting terminal for S RAM
56~63
D0~D7
I/O
Data input/output terminal with S RAM
64~68
A8~A12
O
Address setting terminal for S RAM
69~71
A13~A15
O
Chip enable setting terminal for S RAM
Not used (pull down to GND lines)
72
VSS
-
Ground connection terminal
Connected to GND lines
73
A16
O
Chip enable setting terminal for S RAM
Not used (pull down to GND lines)
74
A17
O
Chip enable setting terminal for S RAM
75
RAMOK
O
Pickup check judging terminal for production
Not used (N.C.)
76
ELVADJ
I
Mechanism deck ascent/descent position terminal
Not used (pull up to D 5V lines)
77
RD
O
Read-out to S RAM control output
78
WR
O
Write to S RAM control output
79
WAIT
I
Waiting time insertion input when accessing S RAM
Not used (pull down to GND lines)
80
ASTB
O
Chip selection to S RAM
Not used (N.C.)
81
VDD
-
Positive power supply connection terminal
Connected to D 5V lines
82
PUSEL
I
Pickup type select terminal
Pull up to D 5V lines
83
REQH
I
Communication request from H/U
“Lo” : Communication requested
84
SPLO+
O
Spindle/Loading control terminal
85
SPLO-
O
Spindle/Loading control terminal
86
ELV+
O
Mechanism deck ascent/descent terminal
87
ELV-
O
Mechanism deck ascent/descent terminal
88
SIM1
I
Destination input 1
“Lo” : adapted for CD-TEXT, “Hi” : not adapted for CD-TEXT
89
SEARCH
O
Search mode output
Not used (N.C.)
90
TEST1
I
Test mode terminal 1 for test mode
Not used (pull down to GND lines)
91
TEST2
I
Test mode terminal 2 for test mode
Not used (pull down to GND lines)
92
8/7V
O
Motor driver IC power voltage control output
“Hi” : 7V, “Lo” : 8.5V
93
EEPWR
I
EEPROM write mode terminal for production
Not used (pull down to GND lines)
Flash ROM program mode terminal
Not used (connected to GND lines)
Servo active mode terminal (no mechanism movement)
Not used (pull down to GND lines)
Sled non-sensitive area ON/OFF terminal
Not used (pull down to GND lines)
Clock output to EEPROM
“Lo” : AVR & LPS POWER ON
Arm switch input
“Hi” : Arm switch ON
System Microcomputer : LC72329-9B24 (RF Modulator Unit : IC2)
Pin No.
Pin Name
I/O
Description
Processing Operation
1
XIN
I
Main clock resonator connection terminal
2
TEST2
I
Test mode terminal 2 for test mode
Not used (pull down to GND lines)
3, 4
PG3, PG2
I
Not used (pull down to GND lines)
5
PG1
I
Not used (pull up to +5V lines)
6
PG0
I
Not used (pull down to GND lines)
7~9
PH3~PH1
O
Not used (pull down to GND lines)
10
PH0 MUTE1
O
Not used (N.C.)
MICROCOMPUTER’S TERMINAL DESCRIPTION
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