12
PLC1/AVC5-UB
2.2- Data Format
(1)
Terminal Mode control format
(Turning on and Off Terminal Mode)
- Terminal On is achieved by sending a 1 byte command of 05 (Hex).
- Terminal Off is achieved by sending a 1 byte command of 04 (Hex)
ON
/
Off
Figure. 2
(2)
Terminal Communication Format
(Sending Commands to TV)
-
Commands are sent to the TV in 14 byte strings
-
The strings consist of the following:
Start:
1 byte (02) Hex (STX)
Command:
12 byte
Stop:
1 Byte (03) Hex (ETX)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Start
Stop
Figure. 3
(3)
Television Answer Format
(Showing current Status)
-
The television responds with a 6 byte answer strings as follows:
Start:
1 byte (02) Hex (STX)
Response:
4 byte (Upper Data/Lower Data)
Stop:
1 Byte (03) Hex (ETX)
1
2
3
4
5
6
Start
Stop
Figure. 4
(4)
Television Answer Format
(Status of Command Execution)
-
Acknowledgement: (06) Hex (ACK)
- No Acknowledgement: (15) Hex (NAK)
ACK
/
NAK
Figure. 5
Function
(2 Byte)
Function
(2 Byte)
Function
(2 Byte)
Function
(2 Byte)
Function
(2 Byte)
Read/Write
(2 Byte)
Function
(2 Byte)
Upper Data
(2 Byte)
Function
(2 Byte)
Lower Data
(2 Byte)
Function
(2 Byte)
STX
(1 Byte)
ETX
(1 Byte)
Upper Data
(2 Byte)
STX
(1 Byte)
ETX
(1 Byte)
Lower Data
(2 Byte)
Содержание 32HDL51M
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Страница 63: ...PRINTED CIRCUIT BOARDS 63 PCL1 AVC5 UB ...
Страница 64: ...PRINTED CIRCUIT BOARDS 64 PCL1 AVC5 UB X X Symbol Components Location Side B SIGNAL AUDIO BD Side B Location ...
Страница 65: ...PRINTED CIRCUIT BOARDS 65 PCL1 AVC5 UB AC CONNECTION BD SP TERMINAL L SP TERMINAL R LED P W B FILTER P W B ...
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