EL640.200-SK Operations Manual (020-0348-00B)
11
Video Data in Non-Buffered Mode
In non-buffered mode, input signals VID0 through VID3 and VIDL0 through
VIDL3 contain the video data for the screen. Video data for row
n
and row
n
+100 is latched on the falling edge of HS, as shown in Figure 3.
Column 1
Row 1
Row 200
U3:1,1
U3:100,1
L3:1,1
L3:100,1
U2:1,1
U2:100,1
L2:1,1
L2:100,1
U1:1,1
U1:100,1
L1:1,1
L1:100,1
U0:1,1
U0:100,1
L0:1,1
L0:100,1
U3:1,160
U3:100,160
L3:1,160
L3:100,160
U0:1,160
U0:100,160
L0:1,160
L0:100,160
U1:1,160
U1:100,160
L1:1,160
L1:100,160
U2:1,160
U2:100,160
L2:1,160
L2:100,160
Column 1
Column 640
Row 100
Row 101
Figure 4. Pixel Location versus Sequence of Data in Non-buffered Mode.
Video Data in Non-Buffered Mode
In buffered mode, input signals VID0 through VID3 contain the video data for
the screen. Pixel information is supplied from left to right and from top to
bottom four pixels at a time. Video data for one row is latched on the falling
edge of HS, as shown in Figure 3.
Column 1
Row 1
Row 200
3:1,1
3:200,1
2:1,1
2:200,1
1:1,1
1:200,1
0:1,1
0:200,1
3:1,160
3:200,160
0:1,160
0:200,160
1:1,160
1:200,160
2:1,160
2:200,160
Column 1
Column 640
Figure 5. Pixel Location versus Sequence of Data in Buffered Mode.
