Planar EL552.256-Q2 Manual De Usuario
EL552.256-Q2 Operations Manual (OM410-00)
7
The end of the top line of a frame is marked by VS, vertical sync signal as shown
in Figure 3. The end of each row of data is marked by HS.
in Figure 3. The end of each row of data is marked by HS.
Horizontal Timing
6
8
7
5
3
4
10
11
2
1
9
Vertical Timing
VID 0-3
VCLK
HS
VS
HS
First Line
VID Data
VID Data
Pixels: a b c d
Pixels: w x y z
Figure 3. Video Input Timing Diagram
Timing is compatible with LCD graphics controllers such as the SMOS and C&T
display controllers.
display controllers.
Table 4. Video Input Descriptions
Num
Description
Symbol
Min.
Typ.
Max.
Units
1
HS high time
tHSh
20
nsec
2
HS hold after VCLK
tHShd
20
nsec
3
HS setup to VCLK
tHSsu
20
nsec
4
VID setup to VCLK
tVIDsu
20
nsec
5
VID hold from VCLK
tVIDhd
20
nsec
6
Video clock period
tVCLK
100
nsec
VCLK rise, fall time
tVCLKrf
15
nsec
7
VCLK low width
tVCLKl
15
nsec
8
VCLK high width
tVCLKh
15
nsec
9
VS setup to HS
tVSsu
140
nsec
10
VS hold after HS
tVShd
140
nsec
11
nsec
12
HS period
tHS
32.5
usec
VS period
tVS
256
tHS
Frame Rate
fVS
50
120
Hz