25
D-EJ885
•
IC801 T5AJ4-4H37 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal (digital system)
2
XIN
I
System clock input from the CXD3039AR
3
XOUT
O
High frequency oscillator output terminal Not used
4
TEST
I
Test terminal for IC Not used
5
VCPU
—
Power supply terminal
6
P21
O
Digital output LED control signal output “L”: ON
7
BATVCC ON
O
Power supply control signal output for battery charge “H”: ON
8
RESET
I
System reset signal input from the power control “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
9
FOK
I
Focus OK signal input from the CXD3039AR “L”: NG, “H”: OK
10
NC
I
VDRAM input from the power control
11
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD3039AR
12
GRSCOR
I
GRSCOR signal input from the CXD3039AR
13
AMUTE
O
Analog muting on/off control signal output to the CXD3039AR “H”: muting on
14
XSOE
O
Serial data output enable signal output to the CXD3039AR
15
XLAT
O
Serial data latch pulse signal output to the CXD3039AR
16
MSDTI
I
Serial data input from the CXD3039AR
17
MSDTO
O
Serial data output to the power control, spindle motor driver and CXD3039AR
18
MSCK
O
Serial data transfer clock signal output to the power control, spindle motor driver and
CXD3039AR
19, 20
VCPU
—
Power supply terminal
21
AD CHGMNT
I
Battery charge voltage detection signal input from the power control
22
AD BATMNT
I
Battery voltage detection signal input and rechargeable battery use/no use detection signal input
23
AD VCDKEY2
I
Key input terminal Not used
24
AD SEL
I
Plug-in detection signal input of LINE OUT (OPTICAL)
25
AD KEY
I
Key input terminal (A/D input)
26
AD RMKEY
I
Key input from the headphone with remote commander (A/D input)
27
AD DCINMNT
I
DC input voltage detection signal input (A/D input) and DC input jack use/no use detection signal
input
28
CLOSE
I
CD lid open/close detection switch input terminal “L”: CD lid open, “H”: CD lid close
The stop status is reset with the falling edge of input signal
29
EXTVCC
O
VCC2 voltage control signal output terminal “H”: ON Not used
30
BEEP
O
Beep sound output to the headphone amplifier
31
TSB
I/O
Communication two-way data bus with the headphone with remote commander
32
VCPU2
—
Power supply terminal Not used
33
EXTBATT
I
External battery detection signal input
34
TEXTSKIP
I
Not used
35
DIG TU
I
Not used
36
LOADING
I
Not used
37
XSTAND ON
I
Charge stand detection signal input
38
ESP
I
G-PROTECTION switch input terminal “L”: G-PROTECTION 1, “H”: G-PROTECTION 2
39
AVLS
I
AVLS (Automatic Volume Limiter System) switch input terminal “L”: normal, “H”: limit
40
HOLD
I
HOLD switch input terminal “L”: hold off, “H”: hold on
41 to 56
SEG15 to SEG0
O
Segment drive signal output terminal for the liquid crystal display Not used
57 to 60
COM3 to COM0
O
Common drive signal output terminal for the liquid crystal display Not used
