KDC-C467/Y/FM/FMA,C667/Y
6
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
Description
Processing Operation
41
DATAC
O
Data output from the changer
42
HCLK
I/O Communication clock input/output with H/U
43
RECQC
O
Communication request to H/U
"Lo" : Communication requested
44
CHMUTE
O
Audio mute request to H/U
"Lo" : Audio mute requested
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
Not used(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
Mechanism deck ascent/descent terminal
Mechanism deck ascent/descent terminal
"Hi" : adapted for CD-TEXT
"Lo" : not adapted for CD-TEXT
Not used(N.C.)
Test mode terminal 1 for test mode
Not used(pull down to GND lines.)
Test mode terminal 2 for test mode
Not used(pull down to GND lines.)
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.)
94
TEST/VPP
I
Flash ROM program mode terminal
Not used(connected to GND lines.)
95
SRVSEL
I
Servo active mode terminal (no mechanism movement)
Not used(pull down to GND lines.)
96
SLNSA
I
Sled non-sensitive area ON/OFF terminal
Not used(pull down to GND lines.)
97
SDA
I/O Data input/output with EEPROM
98
SCL
O
Clock output to EEPROM
99
PON
O
PON output
"Lo" : AVR & LPS POWER ON
100
ARMSW
I
Arm switch input
"Hi" : Arm switch ON
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