76
2.24
LHDMI4 [20H 37H]: HMDI data acquisition
Function:
This command gets the HDMI data of the designated program number.
When the program number is 0, it reads out the data from the buffer RAM.
When the program has any number from 1001 to 2000, the command reads
out the data from the fixed data. When the program number is 9999, the
command reads the data from the command work RAM.
Sequence: Type 3
Command:
STX
1 byte
02H
VG4CMD
1 byte
FDH
LHDMI4
2 bytes
20H 37H
Program number
1 to 4 bytes
“0” to “2000”, “9999”
ETX
1 byte
03H
Fig. 2-24-1
Data:
STX
1 byte
02H
TRDT
1 byte
10H
HDMI Mode
1 byte
“1” = HDMI, “2” = DVI, “4” = Auto
,
1 byte
2CH (Delimiter)
Video Format
1 byte
“0” = RGB, “1” = YCbCr444, “2” = YCbCr422
“3”=YCbCr420
,
1 byte
2CH (Delimiter)
Audio Out
1 byte
“0” = OFF, “1” = ON (All channels ON/OFF)
,
1 byte
2CH (Delimiter)
Video Width
1 byte
“0” = Single (Auto)
“1” = Single (8 bits)
“2” = Single (10 bits)
“3” = Single (12 bits)
,
1 byte
2CH (Delimiter)
Scramble *2
1 byte
“0”=ON (3.4G over), “1”=OFF
ETX
1 byte
03H
Fig. 2-24-2
*1: The ranges of the settings are as listed below by video format.
Video Format
Setting range
RGB
“0” to “255”
YCbCr444
“0” to “255”
YCbCr422 (16 bits)
“0” to “255”
YCbCr422 (20 bits)
“0” to “1023”
YCbCr422 (24 bits)
“0” to “4095”
*2 Available only for VG-876
Summary of Contents for VG-870
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