參數(shù)資料
型號(hào)： AL251
廠商： Electronic Theatre Controls, Inc.
英文描述： Video Scan Doubler
中文描述： 視頻掃描倍增器
文件頁(yè)數(shù)： 6/33頁(yè)
文件大小： 595K
代理商： AL251
AL250
July 28, 1999
6
5.0 Pin Definition and Description
Symbol
Type
250 Pin # 251 Pin # Description
Video Interface
VDIN (15 to 0) in (CMOS)
64-61, 59-
57, 55-52,
51-47
79-76, 74-
72, 70-67,
62-58
Digital video data input. Please refer to the input
data format table for details
VCLK
in (CMOS)
3
6
Video clock input
VCLKX2
in (CMOS)
6
9
2 times of video clock input
VIDHS
in (CMOS)
1
4
Horizontal sync. input signal
VIDVS
in (CMOS)
4
7
Vertical sync. input signal
HREF
in (CMOS)
7
10
Horizontal reference input signal; this signal is
used to indicate data on the digital YUV bus.
The positive slope marks the beginning of a new
active line.
Graphic Interface
RSET
In (100 ohm) 30
37
Full Scale Current Adjust; 100 ohm pull-down
VREF
in (1.235V)
32
39
Voltage Reference Input
COMP
out (0.1
μ
F)
31
38
Compensation pin; 0.1
μ
F pull-up
AR
out (0.7V)
28
35
VGA analog red output
AG
out (0.7V)
26
33
VGA analog green output
AB
out (0.7V)
24
31
VGA analog blue output
DO (15 to 0)
out (CMOS) N/A
66-63, 26-
23, 56-55,
52-47
Digital YUV422 or RGB565 output, selected by
register 08h <7>
GHS
out (TTL)
22
29
VGA horizontal sync. output signal
GVS
out (TTL)
21
28
VGA vertical sync. output signal
GHREF
out (CMOS) 20
27
VGA horizontal reference output signal; it can
be used to indicate blanking interval.
Reset & Mode Select
/RESET
in (CMOSd) 15
18
Reset input; active low
STD (1 to 0)
in (CMOSd) 9, 8
12, 11
Video Input Standard select
00: NTSC input
01: PAL input
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參數(shù)描述
AL-251 制造商:INSTRUMENT TRANSFORMER 功能描述:CURRENT TRANSFORMER 250:5; Input Current:250A; Turns Ratio:250:5; Frequency Min:50Hz; Frequency Max:400Hz; Transformer Mounting:Panel; Frequency Range:50Hz to 400Hz; Winding Configuration:250:5
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