DPC-885
4
CIRCUIT DESCRIPTION
1-3 Pin description microprocessor : µPD78063GF-138 (X32-, IC3)
Pin No.
Name
I/O
Function
1
NC
I
Not used
2
SQCK
O
Clock output for Q-data input of CXD3009Q
3
SDTO
O
DATA input to RL5C356
4
SDTI
O
DATA output to RL5C356
5
SCK
O
CLOCK output to RL5C356
6
IC
–
Connected to VSS
7,8
X2,1
–
Connected to oscillator (5.00MHz)
9
VDD
–
Power supply
10
XT1
–
Connected to GND
11
XT2
–
Not used
12
RESET
I
Microprocessor reset
13
SCOR
I
Interruption of fall edge of SCOR
14
RCI
I
Remote control input
15
NC
–
Not used
16
FOK
I
Focus clock detection terminal (CXA 1982Q)
17
GFS
–
Not used
18
HDATA
O
Output terminal for LCD remocon display
19
B.B
O
For bass boost control
20
SGAIN
–
Not used
21
CHDT
I
Data comparator monitor input for RL5C356
22
XSOE
O
Serial data output permission signal for RL5C356
23,24
NC
–
Not used
25
DEFECT
O
Mirror bottom-hold-enable
26
NC
–
Not used
27
AVSS
–
Connected to GND
30
VOL
I
Volume level input of main unit
28,29
KEY1,KEY2
I
Key input from main unit or wired remote control
31,32
BATTV1,2
I
Detection of voltage level on rechargeable battery
33
HP KEY
I
HP Key input terminal for display
34
NC
–
Not used
35
ADON
O
A/D converter on/off
36
AVDD
–
Analog power supply for A/D converter
37
AVREF
–
Reference voltage input for A/D converter
38
SLTSW
I
Start limit switch of pickup
39
DCDC ON
O
DC/DC converter control (H:ON, L:OFF)
40
VSS
–
GND
41
ADPT
I
Adaptor detection (H:OFF, L:ON)
42
CHRGOK
I
Voltage level of rechargeable battery detection (H:NG, L:OK)
43
CHRG
O
Charge power supply
44
XRST
O
IC reset output terminal (CXA1982Q, CXD3009Q, RL5C356)
45
DMUTE
O
Motor drive mute output terminal
46
RMUTE
O
Analog mute output
47
TEST
I
For test mode
48
NC
–
Not used
49
PSW
O
Headphone amp control
50
HPMUTE
O
Mute output terminal for LCD remocon
51~54
COM0-3
O
Common signal output for display
55
BIAS
O
Bias input for display
56-58
VLC0-2
O
External resistor connected to power supply for dividing display
59
VSS
–
GND
60~74
S0~S14
O
Segments signal output for display
75~83
NC
–
Not used
84
LED
O
Power supply ON/OFF for optical output
85
SHOCK
O
Shock proof on/off (CXD3009Q) D.A.S.C. ON : L
86
XLAT
O
LATCH output to CXD3009Q
87
CLK
O
CLOCK output to CXD3009Q
88
DATA
O
DATA output to CXD3009Q
89
SENS
I
SENS input from CXD3009Q
90
PLUG
I
Remocon data input terminal
COVER/CIR/EXP-INT
98.4.24
2:57
PM
y [ W
4