參數(shù)資料
型號： 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
文件頁數(shù)： 8/33頁
文件大?。?/td> 595K
代理商： AL251
AL250
July 28, 1999
8
6.0 Functional Description
6.1 Digital Input/Output Data Formats
The digital video data formats that the AL250/251 accepts are YUV422 and RGB565. The pin
definition and the RGB 888 to 565 mapping is as follows:
Pin Number
AL250
64
Video Data Signal
AL251
79
YUV 422
RGB 888
→
565
VDIN15
Y7
R7
VDIN14
63
78
Y6
R6
VDIN13
62
77
Y5
R5
VDIN12
61
76
Y4
R4
VDIN11
59
74
Y3
R3
VDIN10
58
73
Y2
G7
VDIN9
57
72
Y1
G6
VDIN8
55
70
Y0
G5
VDIN7
54
69
U7, V7
G4
VDIN6
53
68
U6, V6
G3
VDIN5
52
67
U5, V5
G2
VDIN4
51
62
U4, V4
B7
VDIN3
50
61
U3, V3
B6
VDIN2
49
60
U2, V2
B5
VDIN1
48
59
U1, V1
B4
VDIN0
47
-
58
-
U0, V0
B3
Pixel clock
VCLK
VCLK
INTYPE select
INTYPE = 0
INTYPE = 1
To select YUV422 or RGB565 as the input format, program the Board Configuration Register #02h,
or set the hardware pin “INTYPE” (AL250 pin#11, AL251 pin#14).
The AL251 provides digital output in RGB565 or YUV422 format. The pin definition and the
RGB565 to 888 mapping is as follows:
Video Data Signal
DO
7
DO
6
DO
5
AL251 Pin #
56
55
52
YUV 422
Y7
Y6
Y5
RGB 565
→
888
R7
R6
R5
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