ENH057Q1-XXX Ver la hoja de datos (PDF) - White Electronic Designs Corporation
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ENH057Q1-XXX Datasheet PDF : 16 Pages
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White Electronic Designs
Display Systems Division
ENH057Q1-350/450/600
TIMING CHARACTERISTICS OF INPUT SIGNALS
Timing diagrams of input signal are shown below.
TIMING CHARACTERISTICS
Clock
Parameter Clock
Frequency
Data
Horizontal sync.
signal
Duty ratio
Set up time
Hold time
Cycle
Pulse width
Vertical sync. signal Cycle
Pulse width
Horizontal display period
HSYNC-Clock phase difference
HSYNC.-VSYNC. phase difference
Vertical sync. signal start position
Symbol
Min.
1/Tc
-
-
TH/T
40
Tds
5
Tdh
10
TH
30.0
770
TH
50.0
360
THp
2
TV
515
251
TVp
2
THd
320
THc
10
TVh
0
TVs
34
7
Notes:
1. In case of lower frequency, deterioration of the display quality, flicker, etc. may occur.
Typ.
Max.
Unit
25.18
28.33
MHz
6.3
7.0
MHz
50
60
%
-
-
ns
-
-
ns
31.8
-
µs
800
900
clock
63.6
µs
400
450
clock
96
200
clock
525
560
line
262
280
line
-
34
line
320
320
clock
-
Tc-10
ns
-
TH-THp
ns
34
34
line
7
7
line
HORIZONTAL DISPLAY POSITION
The horizontal display position is determined by ENAB signal.
Parameter
Symbol
MIN
Enable signal
Set-up time
Tes
5
Pulse width
Tep
2
HSYNC-enable signal phase difference
THe
44
2
TYP
MAX
Unit
-
Tc-10
ns
320
TH-10
clock
-
TH-664
clock
-
TH-340
Notes:
1. When ENAB is fixed at "V/Q=Low", the display starts from the data of C52 (clock) as shown in Fig. 8.
2. When ENAB is fixed at "V/Q=High", the display starts from the data of C104 (clock) as shown in Fig 8.
Reward
V/Q=H
V/Q=L
V/Q=H
V/Q=L
V/Q=H
V/Q=L
V/Q=H
V/Q=L
Remark
-
-
V/Q=H
V/Q=L
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Original specifications created by Sharp.
September 2003
Rev. 0
6
Display Systems Division • Hillsboro, OR • (503) 690-2460 • www.wedc.com
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