— 42 —
CONTROL PORT FUNCTIONS
Pin Name
Function
I/O
Description
1
CVin
Reserve
IN
GND (0Vdc)
2
P70/INT0/TOLCP
LINE OFF
IN
Detect AC Voltage Reduction (Normal: High)
3
P71/INT1/TOHCP
Reserve
OUT
(Open)
4
P72/INT2/TOIN
Display Enable
OUT
(Unused)
5
P73/INT3/TOIN
RC in
IN
RC Input
6
AN0
Key in
IN
Key Input
7
AN1
AFT S-Figure in
IN
AFT S-Figure Input
8
P82/AN2
Tuner Switch
OUT
Tuner Bus SW (Analog-RF: High, Other: Low)
9
P83
Reserve
OUT
(Open)
10
P84/AN4
Reserve
OUT
(Open)
11
P85/AN5
VS-ON
OUT
(Unused)
12
P86/AN6
Panel Ready
IN
(Unused)
13
P87/AN7
S IN
IN
S-Detect
14
P30/SO6
TV Relay out
OUT
POWER ON/OFF SW (Power On: High)
15
SB6
IIC-BUS for NV
I/O
(DATA) Active ‘L’ for IIC data NV
16
SCK6
IIC-BUS for NV
OUT
(CLOCK) Active ‘L’ for IIC clock NV
17
SB6
IIC-BUS for TV
I/O
(DATA) Active ‘L’ for IIC data TV
18
SCK6
IIC-BUS for TV
OUT
(CLOCK) Active ‘L’ for IIC clock TV
19
DBGP0
DBGP0
I/O
Terminal for De-Bug 1
20
DBGP1
DBGP1
I/O
Terminal for De-Bug 2
21
DBGP2
DBGP2
IN
Terminal for De-Bug 3
22
PC0
ENA/DATA1
I/O
Writing on board (ENA/DATA1)
23
PC1
DATA0
I/O
Writing on board (DATA0)
24
PC2
CLK
IN
Writing on board (CLK)
25
PC3
TB in
IN
Detection for Video Signal (Time base: H)
26
PC4
Reserve
OUT
(Open)
27
P00
WDT out
OUT
Watch dog timer (Reserved: Open)
28
P01
AV SW1
OUT
Selection for AV Selector 1
29
P02
AV SW2
OUT
Selection for AV Selector 2
30
P03
AV SW3
OUT
Selection for AV Selector 3
31
P04
AV SW4
OUT
Selection for AV Selector 4
32
P05
Power Fail-1 in
IN
TV Power Error (Error: Low)
33
P06
STATUS in
IN
For factory use
34
P07
Ack out
OUT
For factory use
35
P20/SO1
5V Discharge
OUT
36
P21/S11/SB1
Power Fail-2 in
IN
(Unused)
37
P22/SCK1
A-OUT Mute
OUT
Audio Out Mute (On: High)
38
P23
Audio MUTE
OUT
Audio Mute (On: High)
39
UTX
UART OUT
OUT
Digital Module microcomputer piece confidence
40
URX
UART IN
IN
Digital Module microcomputer piece confidence
41
P26/OSDCK1
REG SW
OUT
REG On/Off SW (On: High)
42
BL2
Reserve
OUT
(Open)
43
VSS2
Vss
IN
GND (0Vdc)
44
VDD2
Power IN
IN
5V (5Vdc±10%)
45
P10/SO0
Reserve
OUT
(Open)
46
P11/SI0/SB0
Reserve
OUT
(Open)
System Control (CPU : IC801)
Summary of Contents for DP26647
Page 30: ... 30 IC BLOCK DIAGRAMS CONT IC1600 DC to DC Converter IC1620 DC to DC Converter ...
Page 31: ... 31 IC1630 DC to DC Converter IC1640 DC to DC Converter ...
Page 32: ... 32 IC BLOCK DIAGRAMS CONT IC5500 Screen Controller ...
Page 33: ... 33 IC5700 IC5720 DDR Double Data Rate SDRAM ...
Page 34: ... 34 IC6100 TS Demodulator IC BLOCK DIAGRAMS CONT ...
Page 35: ... 35 IC6200 A D Converter ...
