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參數(shù)資料
| 型號(hào)： | S5D0127X01-Q0R0 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | MULTISTANDARD VIDEO DECODER/SCALER |
| 中文描述： | 多標(biāo)準(zhǔn)視頻解碼器/倍線器 |
| 文件頁(yè)數(shù)： | 37/96頁(yè) |
| 文件大?。?/td> | 1509K |
| 代理商： | S5D0127X01-Q0R0 |
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ELECTRONICS
S5D0127X01 Data Sheet
MULTIMEDIA VIDEO
PAGE 37 OF 96
Modified on May/04/2000
always digitized at the CK clock rate. CVBS data is available when HAV is active. Raw CVBS data is output in a
similar fashion as decoded video. For 8-bit output format, data is output at CK rate using the same 8-bit port as the
decoded video. For 16-bit and 24-bit output format, data is output at CK2 rate using Y and C ports. The sequence
of data output is CVBS
2n
on Y, and CVBS
2n+1
on C (note that EXV port is not used in 24-bit format for outputting
raw CVBS data).
For Closed Caption data, two read-only registers,
CCDAT1
and
CCDAT2
, are provided so the Closed Caption data
can be read via the host interface. The
VBIFLG
bit can be polled to see if data captured in the two registers can be
safely read.
1.8. COLOR SPACE CONVERTER
The color space converter processes the video data as YCbCr 4:4:4 when converting to RGB. A programmable
limiter
(YCRANG)
can be imposed on the Y/C data to limit the ranges. One can choose to limit the Y/C to 1 - 254,
or Y to 16 - 235 and C to 16 - 240.
When selected, YCbCr 4:4:4 is converted to 24 bit RGB according to the following equations:
For 16-bit RGB output, truncation with dithering is used to convert the data from 24 bit to 16 bit.
1.9. GAMMA CORRECTION
The S5D0127X01 programmable gamma tables allows the customer to apply many different type of corrections.
These corrections can be a standard 2.2 factor for NTSC or 2.8 for PAL. These factors can be applied in the RGB
or YUV domains.
A basic standard gamma equation of
when applied to the R, G, or B signals, generates the response shown as the upper curve below. It is the inverse of
the monitor response and thus compensates to produce a linear response.
R
C
Y
C
Y
C
Y
1.375
C
R
0.703
C
R
1.734
C
B
+
+
=
G
–
0.328
C
B
–
=
=
B
R
R
'
2.2
=
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| S5D2400X | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:S5D2400X scaling image processor |
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| S5D2508A | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:OSD PROCESSOR FOR MONITOR |
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| S5D2508A01-D0B0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:OSD PROCESSOR FOR MONITOR |
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