38
ZS-S2iP
• IC801 µPD789479GC-F-8BT-A (SYSTEM CONTROL) (MAIN BOARD (3/4))
Pin No.
Pin Name
I/O
Pin Description
1, 2
NC
I
Not used. (Open)
3 to 5
VLC2 to 0
I
LCD drive bias voltage input
6 to 9
COM1 to 4
O
LCD drive common output
10 to 26
S1 to 17
O
LCD drive segment output
27, 28
S18, 19
O
LCD drive segment output Not used in this set. (Open)
29
DOOR SW
I
CD door open/close detect switch signal input L: Close
30
I-POD POWER
O
I-Pod power control signal output
31
SIMUKE1
I
Model discrimination input
32
SIMUKE2
I
Model discrimination input
33
SIMUKE3
I
Model discrimination input
34
LINE
O
AUDIO IN function control signal output Not used in this set. (Open)
35
A-MUTE
O
Audio mute signal output H: Mute
36
FUNC CD
O
CD power control signal output H: CD ON
37
FUNC I-POD
O
I-Pod function control signal output Not used in this set. (Open)
38
AVDD
—
Power supply pin (+3.3 V)
39
BATT-CHK-H
I
Battery voltage check input
40
5V-CHK
I
Power supply 5 V voltage detect check signal input
41
6V-CHK
I
Power supply 6 V voltage detect check signal input
42
3V-CHK
I
Power supply CD 3.3 V voltage detect check signal input
43 to 45
KEY3 to 1
I
Key signal input
46
AC IN
I
AC power supply detect signal input
47
AGND
I
Ground pin
48
RMC IN
I
Remote commander receiver data input
49
I-POD DETECT
I
I-POD on deck detect signal input
50
WP/INI
I
Wake-up/Interrupt signal input
51
CD-SUBSYQ
I
CD sub code synchronous signal input
52
CD-BUSY
I
CD BUSY signal input
53
CD-DOUT
I
CD command data input
54
CD-DIN
O
CD status and SUB-Q data output
55
CD-MCK
O
CD command transfer clock output
56
I-POD RX
I/O
I-POD UART signal input/output
57
I-POD TX
O
I-POD UART signal output
58
TU-COUNT
I
Tuner PLL serial data signal input
59
TU-DATA
O
Tuner PLL serial data signal output
60
TU-CLK
O
Tuner PLL serial clock signal output
61
TU-CE
O
Tuner PLL chip enable signal output
62
CD-R/W
O
CD command read/write signal output
63
CD-LIM_SW
I
CD optical inner limit signal input
64
CD-RESETX
O
CD system reset output
65
P-CON
O
System power control output H: Power on
66
NC
O
Not used. (Pull down)
67
OP
O
Not used. (Pull down)
68
M-BASS
O
MEGA BASS control signal output H: MEGA BASS on
69
ICO
I
Not used. (Pull down)
70
XT1
I
Sub system oscillation signal input (32.768 kHz)
71
XT2
O
Sub system oscillation signal output (32.768 kHz)
72
VDD
—
Power supply pin (+3.3 V)
73
VSS
—
Ground pin
74 X1 I Main system oscillation signal input (4.915 MHz)
Summary of Contents for ZS-S2iP
Page 18: ...18 ZS S2iP MEMO ...
