-10-
Sub CPU (IC801) Port Functions
Pin
Pin Name
Function Name
Description
I/O
No.
51
P43/A19
DPMS-SW
DPSM On/Off (Off=Low)
Out
52
P42/A18
NVM-POWER
Power On/Off for Non-volatile memory (Off=Low)
Out
53
P41/A17
-
External Pulldown (10K ohms)
In
54
P40/A16
-
External Pulldown (10K ohms)
In
55
P37/A15
IIC SCL
IIC Bus SCL (for U/V tuner)
Out
56
P36/A14
IIC SDA
IIC Bus SDA (for U/V tuner)
In/Out
57
P35/A13
-
Not used (Open)
-
58
P34/A12
-
Not used (Open)
-
59
P33/A11
(MONI_MUTE)
Not used(Open) (Audio monitor out mute)
Out
60
P32/A10
RED
Power LED (Red) output (LED off=Low)
Out
61
P31/A9
GREEN
Power LED (Green) output (LED off=Low)
-
62
VCC
-
5V standby
-
63
P30/A8
OFF TIMER LED
Off timer indicate LED (LED Off=Low)
Out
64
Vss
-
GND
-
65
P27/A7
-
Not used (Open)
-
66
P26/A6
SAW SW
SAW control
Out
67
P25/A5
SYSTEM SW1
Audio system switch to tuner
Out
68
P24/A4
SYSTEM SW2
Audio system switch to tuner
Out
69
P23/A3
PDP/LCD
Detection of PDP or LCD (PDP=Low, LCD=High)
In
70
P22/A2
TIME BASE
TIME BASE from tuner
In
71
P21/A1
-
Not used
-
72
P20/A0
RST_PXL
Detection of PIXEL RST (PIXEL IC RST=Low)
In
73
P17/D15/INT5
(IRQ)
Not used (Detection of panel error)
In
74
P16/D14/INT4
-
Not used (Open)
-
75
P15/D13/INT3
PWRSW
Detection of the main power On/Off (Power on=Low)
In
76
P14/D12
WOOFER
Detection of Woofer (Without woofer=High)
In
77
P13/D11
FAN LOCK1
Unusual stop of a fan-1 (Stop of fan=Low)
In
78
P12/D10
SWIVEL
Detection of a swivel stand (Without swivel=High)
In
79
P11/D9
OPT_TUNER
Detection of a tuner maker (SHARP=Low, CHANG HONG=High)
In
80
P10/D8
PW_RST
PIXEL reset output (Reset off=Low)
Out
81
P07/D7
LINEOFF
Detection of the interception signal of a power supply (Line off=Low)
In
82
P06/D6
P-FAIL1
Detection of the power failure (2.5V, 3.3V, 5V) Fail.=Low
In
83
P05/D5
P-FAIL2
Detection of the power failure (9V, 12V, 30V) Fail.=Low
In
84
P04/D4
P-FAIL5
Detection of the power failure of audio amp. (Fail.=High)
In
85
P03/D3
(CPU_GO)
Not used (Power On/Off of CPU) (On=High)
Out
86
P02/D2
PDP(LCD)_GO
Panel On/Off (On=High)
Out
87
P01/D1
-
Not used (Open)
Out
88
P00/D0
FAN LOCK2
Unusual stop of a fan-2 (Stop of fan=Low)
In
89
P107/AN7/K13
(BS_MNT_MUTE)
Not used (BS video monitor mute)
Out
90
P106/AN6/KL2
AFT INPUT
AFT voltage input
In
91
P105/AN5/KL1
-
Not used (Open)
-
92
P104AN4/KL0
T-SENSOR1
Temperature sensor-1
-
93
P103/AN3
(T-SENSOR2)
Not used (Temperature sensor-2)
-
94
P102/AN2
SENSOR
The sensor of brightness.
-
95
P101/AN1
KEY-IN
Key input
In
96
AVSS
-
GND
-
97
P100/AN0
-
Not used (Open)
-
98
VREF
-
Connected to Vcc
-
99
AVcc
-
5V_Standby
-
100
P97/ADTRG/SIN4
(SERIAL_INPUT)
(Serial input)
In
