— 81 —
•
IC801 CXP801960M-644R (SYSTEM CONTROL)/MAIN BOARD
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 ~ 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46 ~ 48
49
50
I/O
O
O
O
O
I
O
I
—
I
I
O
I
I
I
I
I
O
O
O
O
I
—
I
I
I
I
O
O
O
O
O
O
O
O
—
I
—
—
—
—
I
O
O
—
I
—
Description
Chip select output to real time clock (IC804).
Reset output. L: reset.
Laser power select signal output.
Write data transmission timing output.
Sense input.
“H”: APC circuit ON, “L”: APC circuit OFF.
Track jump detection signal input from IC503.
Not used. (Open).
Input from sled switch detecting internal circumference. L: internal circumference.
Disc write protect switch input. H: Protect.
Remote control data output.
Input from HOLD switch of the machine. L: Hold.
Wake-up signal input from key input.
Input from top lid open/close detection switch of the machine. L: Close.
CLOCK SET switch input.
Clock data input.
Electronic volume control output.
Serial communication chip select output to system control (IC907).
LCD command data output.
Serial clock output to real time clock (IC804).
Serial data input.
Not used. (Open).
Audio volume limit switch input. L: ON.
Test mode terminal. L: Test mode.
DC IN input detection. L: DC IN.
Not used. (Connected GND).
“H” output when operating on external battery.
Power control output. L: ON.
“H” output when operating on lithium battery.
REC LED control output. L: ON.
Control signal output to head drive (IC506).
Control signal output to head drive (IC506).
Power control output to RF amplifier (IC501).
LCD ON/OFF control. L: ON.
Microprocessor mode input. (Connected GND).
Microprocessor reset.
GND.
Terminal to which external system clock (12 MHz) crystal is connected.
Terminal to which external system clock (12 MHz) crystal is connected.
Serial chip select input. (Connected VDD).
Serial communication input from system control (IC907).
Serial communication output to LCD and system control (IC907).
Serial clock output to LCD and system control (IC907).
Not used. (GND).
Remote control key input.
GND terminal of A/D converter.
Pin Name
CLCS
XRST
WRPWR
TX
SENSE
LDON
XSHOCK
NC
INLS
PROTECT
DATA
HOLD
WP
OPEN
CLOCK
CLS DIO
EVR DATA
CSST
LCD CD
CLSCK
SDI2
NC
AVLS
TEST
DCIN
KANA SEL
XAM CN
P CONT
BATT ON
REC LED
MODE2
MODE1
RFSW
LCD ON
MP
MRST
VSS
XTAL
EXTAL
CS0
SDI0
SDO0
SCK0
NC
KEYR
AVSS