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ASX340AT Datasheet(PDF) 14 Page - ON Semiconductor

Part # ASX340AT
Description  1/4?릋nch Color CMOS NTSC/PAL Digital Image SOC
PDF  54 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

ASX340AT Datasheet(HTML) 14 Page - ON Semiconductor

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ASX340AT
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14
NTSC/PAL Test Pattern Generation
There is a built-in standard EIA (NTSC) and EBU (PAL)
color bars to support hue and color saturation
characterization. Each pattern consists of seven color bars
(white, yellow, cyan, green, magenta, red, and blue). The Y,
Cb and Cr values for each bar are detailed in Tables 6 and 7.
Figure 10. Color Pipeline
TABLE 6. EIA COLOR BARS (NTSC)
Nominal Range
White
Yellow
Cyan
Green
Magenta
Red
Blue
Y
16 to 235
180
162
131
112
84
65
35
Cb
16 to 240
128
44
156
72
184
100
212
Cr
16 to 240
128
142
44
58
198
212
114
TABLE 7. EBU COLOR BARS (PAL)
Nominal Range
White
Yellow
Cyan
Green
Magenta
Red
Blue
Y
16 to 235
235
162
131
112
84
65
35
Cb
16 to 240
128
44
156
72
184
100
212
Cr
16 to 240
128
142
44
58
198
212
114
CCIR-656 Format
The color bar data is encoded in 656 data streams. The
duration of the blanking and active video periods of the
generated 656 data are summarized in Tables 8 and 9.
TABLE 8. NTSC
Line Numbers
Field
Description
1−3
2
Blanking
4−19
1
Blanking
20−263
1
Active video
264−265
1
Blanking
266−282
2
Blanking
283−525
2
Active Video
TABLE 9. PAL
Line Numbers
Field
Description
1−22
1
Blanking
23−310
1
Active video



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