參數(shù)資料
型號: SED1335F
廠商: Electronic Theatre Controls, Inc.
英文描述: LCD Controller ICs
中文描述: LCD控制器芯片
文件頁數(shù): 105/148頁
文件大小: 388K
代理商: SED1335F
S-MOS Systems, Inc. 2460 North First Street San Jose, CA 95131 Tel: (408) 922-0200 Fax: (408) 922-0238
268-0.4
105
7.0 – 7.1
7.0 TV Mode (SED1336F only)
7.0 TV Mode (SED1336F only)
When used with an external video mixer circuit, the
SED1336F can show the same display on a television
as on the LCD panel. In addition, the changeover from
LCD-only to TV-and-LCD display is instantaneous
with the changing of the T/L register using the System
Set instruction.
The TV and LCD display register parameters which
are determined by hardware constraints are shown in
Table 26.
Table 26. Register parameters
Clock Cycles
per
Horizontal Line
388
388
Oscillator
Frequency,
f
O
(MHz)
6.1050
6.0625
6.0625 or
6.1050
System
TC/R (Hex)
C/R (Hex)
L/F (Hex)
T/L
NTSC
PAL
2A
2A
1F
1F
C7
C7
1
1
LCD
2A
1F
C7
388
0
7.1 Sync Generator Circuit Timing
The NTSC and PAL vertical sync signal waveforms
are shown in Figure 59 and 60, respectively. The
vertical sync timing parameters and VSD output states
are shown in Table 27.
Interval after
equalizing pulses
21H
Color field I vertical blanking interval
11H
3H
8
3H
5
3H
2
21H
Pre-blanking
interval
Start of
field I
1.5 ± 0.1μs
1
4
3
6
7
9
10
19
20
H
H
H
9-line vertical interval
H
T
I
0.5H
Vertical serration
pulse interval
Equalizing
pulse interval
Horizontal
sync interval
Display
interval
Interval before
equalizing pulses
Vertical Sync
pulse interval
Display
interval
Reference
subcarrier phase
color field I
Post-
blanking
interval
Figure 67. NTSC vertical sync waveform
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