Signal Timing - Planar LC640.480.21-065 Operation Manual

Signal Timing

Video signal timing diagrams are shown in Figures 2 through 4 on the following pages.
Table 8 refers to these diagrams.
Table 8. Video Signal Timing.
Parameter
CLK
Hsync
Vsync
DATA
R0-R5
G0-G5
B0-B5
DE
1
39.722 ns (Typ.)
Note : Keep all parameters within the specified range. Do not operate the LCD
module without an input DE signal.
10 LC640.480.21-065 Operations Manual (OM610-00)
Symbol
1
Frequency 1/tc
Duty t ch/ t c
Rise, fall t crf
2
Period t h
Display period t hd
Front-porch t hf
Pulse width t hp
Back-porch t hb
*) t hp + t hb
CLK-Hsync timing t hch
Hsync-CLK timing t hcx
Hsync-Vsync timing t vh
Vsync-Hsync timing t vs
Rise, fall t hrf
3
Period t v
Display period t vd
Front-porch t vf
Pulse width t vp
Back-porch t vb
*) t vp + t vb
Rise, fall –
CLK-DATA timing t ds
DATA-CLK timing t dh
Rise, fall t drf
DE-CLK timing t es
CLK-DE timing t eh
Rise, fall t erf
2
31.468 kHz (Typ.)
Min. Typ. Max.
21.0 25.175 29.0
0.4 0.5 0.6
– – 10
30.0 31.778 33.6
– 800 –
640 CLK
2 16 –
10 96 –
5 48 –
64 144 –
12 – –
8 – –
15 – –
15 – –
– – 10
16.1 16.683 17.2
– 525 –
480
1 12 –
2 2 –
4 31 –
6 33 –
– – 10
8 – –
12 – –
– – 10
8 – –
12 – –
– – 10
3
59.94 Hz (Typ.)
Unit
MHz
–
ns
s
CLK
CLK
CLK
CLK
CLK
ns
ns
ns
ns
ns
ms
H
H
H
H
H
H
ns
ns
ns
ns
ns
ns
ns