170
2.87
LDP4 [20H 79H]: DisplayPort data acquisition
Function:
This command gets the DisplayPort data of the designated program number.
When the program has any number from 1001 to 2000, the command reads
out from the fixed data. When the program number is 9999, the command
reads the data from the command work RAM.
Sequence: Type 3
Parameters:
STX
1 byte
02H
VG4CMD
1 byte
FDH
LDP4
2 bytes
20H 79H
Program number
1 to 4 bytes
“0” to “2000”, “9999”
ETX
1 byte
03H
Fig. 2-87-1
Data:
STX
1 byte
02H
TRDT
1 byte
10H
VideoFormat
1 byte
"0"=RGB
"1"=YCbCr4:4:4
"2"=YCbCr4:2:2
,
1 byte
2CH (Delimiter)
Reserved 1
1 byte
Fixed at “1”
,
1 byte
2CH (Delimiter)
Reserved 2
1 byte
Fixed at “1”
,
1 byte
2CH (Delimiter)
Width
1 byte
"0"=Auto
"1"=6(bit)
"2"=8(bit)
"3"=10(bit)
“4”=12(bit)
,
1 byte
2CH (Delimiter)
Reserved 3
1 byte
Fixed at “1”
,
1 byte
2CH (Delimiter)
Reserved 4
1 byte
Fixed at “1”
,
1 byte
2CH (Delimiter)
Reserved 5
1 byte
Fixed at “1”
,
1 byte
2CH (Delimiter)
Reserved 6
1 byte
Fixed at “0”
,
1 byte
2CH (Delimiter)
Dual Mode
1 byte
"0"=Single
"1"=Dual
"2"=Split
“3”=Split2
,
1 byte
2CH (Delimiter)
Colorimetry
1 BYTE
"0"=ITU601
"1"=ITU709
,
1 byte
2CH (Delimiter)
Reserved 7
1 byte
Fixed at “0”
,
1 byte
2CH (Delimiter)
LinkRate
1 byte
"0"=HBR(2.7Gbps)
"1"=RBR(1.62Gbps)
,
1 byte
2CH (Delimiter)
Содержание VG-870
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Страница 53: ...Chapter 2 INDIVIDUAL FORMATS FOR VG CONTROL COMMANDS 39 27 28 29 DOTS 30 CROSS 31 CHARA Fig 2 11 2 ...
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