Chapter 2 INDIVIDUAL FORMATS FOR VG CONTROL COMMANDS
21
2.4
LVT4 [20H 23H]: V timing data readout
Function:
This command reads the V timing data of the program whose number has
been designated. 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 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
LHT4
2 bytes
20H 23H
Program number
1 to 4 bytes
“0” to “2000”, “9999”
ETX
1 byte
03H
Fig. 2-4-1
Data:
STX
1 byte
02H
TRDT
1 byte
10H
SCAN MODE
1 byte
“0” = NO INTER, “1” = INTER & sync,
“2” = INTER & VIDEO,
“3” = Progressive Segmented Frame
,
1 byte
2CH (Delimiter)
SERRATION
1 byte
“0” = OFF, “1” = 0.5H, “2” = 1H, “3” = EXOR
,
1 byte
2CH (Delimiter)
ENQ ON/OFF
1 byte
“0” = OFF, “1” = ON
,
1 byte
2CH (Delimiter)
V-TOTAL
1 to 5 bytes
“0” to “99995” (0 to 9999.5H)
,
1 byte
2CH (Delimiter)
V-SYNC
1 to 3 bytes
“0” to “995” (0 to 99.5H) * In 0.5H increments
,
1 byte
2CH (Delimiter)
ENQ-FP
1 to 3 bytes
“0” to “995” (0 to 99.5H) * In 0.5H increments
,
1 byte
2CH (Delimiter)
ENQ-BP
1 to 3 bytes
“0” to “995” (0 to 99.5H) * In 0.5H increments
,
1 byte
2CH (Delimiter)
V-BACK-PORCH
1 to 5 bytes
“0” to “99995” (0 to 9999.5H)
,
1 byte
2CH (Delimiter)
V-DISPLAY
1 to 4 bytes
“0” to “9999” (0 to 9999H)
,
1 byte
2CH (Delimiter)
VD-START
1 to 5 bytes
“0” to “99995” (0 to 9999.5H) * In 0.5H increments
,
1 byte
2CH (Delimiter)
VD-WIDTH
1 to 5 bytes
“0” to “99995” (0 to 9999.5H) * In 0.5H increments
,
1 byte
2CH (Delimiter)
V-TOTAL2
1 to 5 bytes
“0” to “99995” (0 to 9999.5H)
,
1 byte
2CH (Delimiter)
V-SYNC2
1 to 3 bytes
“0” to “995” (0 to 99.5H) * In 0.5H increments
,
1 byte
2CH (Delimiter)
ENQ-FP2
1 to 3 bytes
“0” to “995” (0 to 99.5H) * In 0.5H increments
,
1 byte
2CH (Delimiter)
ENQ-BP2
1 to 3 bytes
“0” to “995” (0 to 99.5H) * In 0.5H increments
,
1 byte
2CH (Delimiter)
V-BACK-PORCH2
1 to 5 bytes
“0” to “99995” (0 to 9999.5H)
,
1 byte
2CH (Delimiter)
V-DISPLAY2
1 to 4 bytes
“0” to “9999” (0 to 9999H)
Содержание VG-870
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