AL250 International Power Sources, Inc., AL250 Datasheet - Page 6

• Manufacturer Part Number: AL250
• Description: Video Scan Doubler
• Manufacturer: International Power Sources, Inc.

5.0 Pin Definition and Description
Symbol
Video Interface
VDIN (15 to 0) in (CMOS)
VCLK
VCLKX2
VIDHS
VIDVS
HREF
Graphic Interface
RSET
VREF
COMP
AR
AG
AB
DO (15 to 0)
GHS
GVS
GHREF
Reset & Mode Select
/RESET
STD (1 to 0)
Type
in (CMOS)
in (CMOS)
in (CMOS)
in (CMOS)
in (CMOS)
In (100 ohm) 30
in (1.235V)
out (0.1 F)
out (0.7V)
out (0.7V)
out (0.7V)
out (CMOS)
out (TTL)
out (TTL)
out (CMOS)
in (CMOSd)
in (CMOSd)
250 Pin # 251 Pin # Description
64-61, 59-
57, 55-52,
51-47
3
6
1
4
7
32
31
28
26
24
N/A
22
21
20
15
9, 8
79-76, 74-
4
37
39
38
27
18
12, 11
72, 70-67,
62-58
6
9
7
10
35
33
31
66-63, 26-
23, 56-55,
52-47
29
28
Digital video data input. Please refer to the input
data format table for details
Video clock input
2 times of video clock input
Horizontal sync. input signal
Vertical sync. input signal
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.
Full Scale Current Adjust; 100 ohm pull-down
Voltage Reference Input
Compensation pin; 0.1 F pull-up
VGA analog red output
VGA analog green output
VGA analog blue output
Digital YUV422 or RGB565 output, selected by
register 08h <7>
VGA horizontal sync. output signal
VGA vertical sync. output signal
VGA horizontal reference output signal; it can
be used to indicate blanking interval.
Reset input; active low
Video Input Standard select
00: NTSC input
01: PAL input
July 28, 1999
AL250
6