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D-EJ995
•
IC801 T5AJ4-3HE0 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal (digital system)
2
XIN
I
System clock input from the CXD3029R (IC601)
3
XOUT
O
High frequency oscillator output terminal Not used (open)
4
TEST
I
Test terminal for IC Not used (open)
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 (IC403) “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 CXD3029R (IC601) “L”: NG, “H”: OK
10
NC
I
VDRAM input from the power control (IC403)
11
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD3029R (IC601)
12
GRSCOR
I
GRSCOR signal input from the CXD3029R (IC601)
13
AMUTE
O
Analog muting on/off control signal output to the CXD3029R (IC601) “H”: muting on
14
XSOE
O
Serial data output enable signal output to the CXD3029R (IC601)
15
XLAT
O
Serial data latch pulse signal output to the CXD3029R (IC601)
16
MSDTI
I
Serial data input from the CXD3029R (IC601)
17
MSDTO
O
Serial data output to the power control (IC403), spindle motor driver (IC404) and CXD3029R
(IC601)
18
MSCK
O
Serial data transfer clock signal output to the power control (IC403), spindle motor driver (IC404)
and CXD3029R (IC601)
19, 20
VCPU
—
Power supply terminal
21
AD CHGMNT
I
Battery charge voltage detection signal input from the power control (IC403)
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 (fixed at “H”)
24
AD SEL
I
Plug-in detection signal input of LINE OUT (OPTICAL)
25
AD KEY
I
Key input terminal (A/D input)
x
/CHARGE,
>
N
,
.
, VOL +/– (S805 to S809) keys
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
I
CD lid open/close detection switch (S804) input terminal “L”: CD lid open, “H”: CD lid close
The stop status is reset with the falling edge of input signal
O
VCC2 voltage control signal output “H”: ON
O
Beep sound output to the headphone amplifier (IC301)
Communication two-way data bus with the headphone with remote commander
—
Power supply terminal Not used (open)
I
External battery detection signal input
I
Not used (open)
35
DIG TU
I
Not used (open)
36
LOADING
I
Not used (open)
37
XSTAND ON
I
Charge stand detection signal input
38
ESP
I
G•PROTECTION switch (S803) input terminal
“L”: G•PROTECTION 1, “H”: G•PROTECTION 2
39
AVLS
I
AVLS (Automatic Volume Limiter System) switch (S802) input terminal
“L”: normal, “H”: limit
40
HOLD
I
HOLD switch (S801) input terminal “L”: hold off, “H”: hold on
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