ASTRO VG-877 - SDP4 [20 H 78 H]: Displayport Data Setting

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2.86 SDP4 [20H 78H]: DisplayPort data setting
Function: This command sets the DisplayPort data of the designated program number.
When the program number is 0, it writes the data into the buffer RAM. When
it is 9999, it writes the data into the command work RAM.
Sequence: Type 2
Parameters:
STX
1 byte
02H
VG4CMD
1 byte
FDH
SDP4
2 bytes
20H 78H
Program number
1 to 4 bytes
“0” to “1000”, “9999”
,
1 byte
2CH (Delimiter)
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)
Note) when “YCbCr4:2:2” video format is selected,
6-bit cannot be set here.
12-bit setting is available only when “YCbCr4:2:2” is
selected.
,
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)
Number of Lane
1 byte
"0"=1 lane
"1"=2 lanes
"2"=4 lanes
,
1 byte
2CH (Delimiter)