Control Port Functions - Sanyo DP37647 VIZZON Service Manual

System Control (CPU : IC801)
Pin Name
1 CVin
2 P70/INT0/TOLCP
3 P71/INT1/TOHCP
4 P72/INT2/TOIN
5 P73/INT3/TOIN
6 AN0
7 AN1
8 P82/AN2
9 P83
10 P84/AN4
11 P85/AN5
12 P86/AN6
13 P87/AN7
14 P30/SO6
15 SB6
16 SCK6
17 SB6
18 SCK6
19 DBGP0
20 DBGP1
21 DBGP2
22 PC0
23 PC1
24 PC2
25 PC3
26 PC4
27 P00
28 P01
29 P02
30 P03
31 P04
32 P05
33 P06
34 P07
35 P20/SO1
36 P21/S11/SB1
37 P22/SCK1
38 P23
39 UTX
40 URX
41 P26/OSDCK1
42 BL2
43 VSS2
44 VDD2
45 P10/SO0
46 P11/SI0/SB0

CONTROL PORT FUNCTIONS

Function
Reserve
LINE OFF
Reserve
Display Enable
RC in
Key in
AFT S-Figure in
Tuner Switch
Reserve
Reserve
VS-ON
Panel Ready
S IN
TV Relay out
IIC-BUS for NV
IIC-BUS for NV
IIC-BUS for TV
IIC-BUS for TV
DBGP0
DBGP1
DBGP2
ENA/DATA1
DATA0
CLK
TB in
Reserve
WDT out
AV SW1
AV SW2
AV SW3
AV SW4
Power Fail-1 in
STATUS in
Ack out
5V Discharge
Power Fail-2 in
A-OUT Mute
Audio MUTE
UART OUT
UART IN
REG SW
Reserve
Vss
Power IN
Reserve
Reserve
I/O Description
IN GND (0Vdc)
IN Detect AC Voltage Reduction (Normal: High)
OUT (Open)
OUT (Unused)
IN RC Input
IN Key Input
IN AFT S-Figure Input
OUT Tuner Bus SW (Analog-RF: High, Other: Low)
OUT (Open)
OUT (Open)
OUT (Unused)
IN (Unused)
IN S-Detect
OUT POWER ON/OFF SW (Power On: High)
I/O (DATA) Active 'L' for IIC data NV
OUT (CLOCK) Active 'L' for IIC clock NV
I/O (DATA) Active 'L' for IIC data TV
OUT (CLOCK) Active 'L' for IIC clock TV
I/O Terminal for De-Bug 1
I/O Terminal for De-Bug 2
IN Terminal for De-Bug 3
I/O Writing on board (ENA/DATA1)
I/O Writing on board (DATA0)
IN Writing on board (CLK)
IN Detection for Video Signal (Time base: H)
OUT (Open)
OUT Watch dog timer (Reserved: Open)
OUT Selection for AV Selector 1
OUT Selection for AV Selector 2
OUT Selection for AV Selector 3
OUT Selection for AV Selector 4
IN TV Power Error (Error: Low)
IN For factory use
OUT For factory use
OUT
IN (Unused)
OUT Audio Out Mute (On: High)
OUT Audio Mute (On: High)
OUT Digital Module microcomputer piece confidence
IN Digital Module microcomputer piece confidence
OUT REG On/Off SW (On: High)
OUT (Open)
IN GND (0Vdc)
IN 5V (5Vdc±10%)
OUT (Open)
OUT (Open)
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