CX-401W/WCVH2
4
MICROCOMPUTER'S TERMINAL DESCRIPTION
System Microcomputer 703035AYGC-J01 (X14- : IC11)
Terminal description
Pin No.
Pin Name
I/O
Description
Processing Operation
1
NC
O
Not used
2
CD CLK
O
CD clock
3
NC
O
Not used
4
EV DATA
O
E-VOL data
Input select 1:AM/ 2:FM/ 3:CD/ 4:BUS
5
EV CLK
O
E-VOL clock
6
VDD
-
5V potential
7
VSS
-
GND
8
CD MOTOR
O
CD SW for motor driver
Motor ON: "H" / Motor OFF: "L"
9
CD STOP
O
CD stop
Stop: "L"
10
CD RST
O
CD reset
Reset: "L"
11
CD SW3
I
CD SW3 detection
SW ON: "H" / SW OFF: "H"
12
LCD DI
I
LCD driver data input
13
LCD DO
O
LCD driver data output
14
LCD CLK
O
LCD driver clock
15
BEEP
O
Beep output
16
CD SW2
I
CD SW2 detection
SW ON: "L" / SW OFF "H"
17
CD SW1
I
CD SW1 detection
SW ON: "L" / SW OFF "H"
18
IC/Vpp
-
Writing voltage
19
CD LO/EJ
O
CD loading/Eject control
Eject: "L" / loading: "H"
20
CD MUTE
I
CD mute
Mute ON: "L" / Mute OFF: "H"
21
NC
O
Not used
22
NC
O
Not used
23
BUS DI
I
IEBUS data input
24
BUS DO
O
IEBUS data output
25
SVR
O
For SVR discharge
SVR discharge: "H"
26
P ANT
O
Power antenna control
Tuner ON: "H" / others: "L"
27
NC
O
Not used
28
P STBY
O
Power AMP stanby control
Power IC ON: "H" / Power IC OFF: "L"
29
P MUTE
O
Power AMP mute control
Mute ON: "L" / Mute OFF: "H"
30
SYS ON
O
System control
ACC ON: "H" / ACC OFF: "L"
31
RESET
I
System reset input
Reset: "L"
32
XT1
I
Sub system clock connection terminal
32.768kHz
33
XT2
-
Sub system clock connection terminal
32.768kHz
34
REGC
I
Regulator connection terminal
35
X2
-
Main system clock connection terminal 6.29MHz
36
X1
I
Main system clock connection terminal 6.29MHz
37
VSS
-
GND
38
VDD
-
5V potential
39
NC
O
Not used
40
PON D
O
Power ON (Digital)
ACC ON: "H" / ACC OFF: "L"
41
PON A
O
Power ON (Analog)
ACC ON, Power ON : "H" / ACC OFF: "L"
42
NC
O
Not used
43
NC
O
Not used
44
NC
O
Not used
45
NC
O
Not used
46
NC
O
Not used
47
ILL IN
I
Key illumination input
Illum ON: "L" / Illum OFF: "H"
48
LAMP ON
O
LCD back light control
ACC ON, Power ON : "H" / others: "L"
49
SRV
O
CD servo power conrol
CD ON: "H" / CD OFF: "L"
50
NC
O
Not used
51
NC
O
Not used