ASTRO VG-871 - LDIV4 [20 H BEH]: Dotclk Mode Data Acquisition

Chapter 2 INDIVIDUAL FORMATS FOR VG CONTROL COMMANDS
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2.135 LDIV4 [20H BEH] : DotClk Mode Data Acquisition
Function : This command gets Dot Clock Mode data of the indicated program No. In case
program NO.1001 to 2000, the VG original data is read out. In case ,NO.9999, the
data is read out from command work RAM.
Sequence : TYPE 3
Parameter:
STX
1 BYTE
02H
VG4CMD
1 BYTE
FDH
LDIV4
2 BYTE
20H BEH
Program NO
1-4 BYTE
"0"-"2000","9999"
ETX
1 BYTE
03H
Fig. 2.135-1
Data ：
STX
1 BYTE
02H
TRDT
1 BYTE
10H
DotClk Mode
1 BYTE
"0"=Auto
"1"=Single
"2"=Dual
"3"=Quad
,
1 BYTE
2CH (Delimiter)
Split Mode
1～2 BYTE
"0"-"10"
ETX
1 BYTE
03H
Fig. 2.135-2
PC
VG
STX-ETX
STX+TRDT+Data+ETX
ACK or
STX+ESTS+Error Code+ETX