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
