Specification No. TENTATIVE
Sheet
19
Toshiba Matsushita Display Technology Co.,Ltd
Date: 2008 – 11- 07
Date: - -
New No. LTA057A341F-14
Old No.
←
# Special
←&
Addition
←
Change
2.4.4 Timing Specifications
1) 2) 3) 4) 5) 6)
Item Symbol
min.
typ.
Max.
unit
260 262 340
th
Frame Period
tv
15.9 16.66 17.81
ms
Vertical Display Term
tvd
240 240 240
clk
Vertical Blanking Term
tvblnk
20 22 100
th
V-sync Pulse Width
tvw
1.0 2.0 3.0
th
Vertical Data Sync Period
tvds
10 18 20
th
410 424 436
tc
Horizontal Period
th
49.5 63.6 64.1
us
Horizontal Display Term
thde
320 320 320
tc
H-sync Pulse Width
thw
3 51 80
tc
Horizontal Front Porch
t
hfp
16 18 40
tc
Horizontal Data Sync Period
thds
50 86 100
tc
Clock Period
tc
120 150 156
ns
Clock "H" Time
tch
7.0 --- ---
ns
Clock "L" Time
tcl
7.0 --- ---
ns
Data Setup Time
tds
5.0 --- ---
ns
Data Hold Time
tdh
2.0 --- ---
ns
Note 1) If DE is fixed to “H” or “L” level for certain period while CLK is supplied, the panel displays black with some flicker.
Note 2) Don’t fix CLK to “H” or “L” level while the V
DD
(+3.3V) is supplied.
If CLK is fixed to "H" or "L" level for certain period while DE is supplied, the panel may be damaged.
When It holds on, DC voltage supplies to liquid crystal materials and It may cause damage to liqud crystal
materials.
Note 3) Display area address is as follows.
Note 4) Do not make
tv
,
th
and
tvds
fluctuate.
If
tv
,
th
and
tvds
are fluctuate, the panel displays black.
Note 5) In case of using the long frame period, the deterioration of display quality, noise etc. may be occurred.
Note 6) CLK count of each Horizontal Period (
th
) should be always the same.
Vertical blanking term should be “
n
” X “Horizontal Period” (
th
). (
n
: integer)
Frame period(
tv
) should be always the same.
X,Y
X,2
X,1
1,Y
1,2
1,1
320 pixels
240 pixels
320,1
320,2
320,Y
320,240
X,240
1,240
