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參數(shù)資料
| 型號(hào)： | ADV7391 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| 中文描述： | 低功耗，芯片尺寸10位標(biāo)清/高清視頻編碼器 |
| 文件頁(yè)數(shù)： | 50/96頁(yè) |
| 文件大小： | 1209K |
| 代理商： | ADV7391 |
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ADV7390/ADV7391/ADV7392/ADV7393
ED/HD Sinc Compensation Filter Response
Subaddress 0x33, Bit 3
The ADV739x includes a filter designed to counter the effect of
sinc roll-off in DAC 1, DAC 2, and DAC 3 while operating in
ED/HD mode. This filter is enabled by default. It can be
disabled using Subaddress 0x33, Bit 3. The benefit of the filter is
illustrated in Figure 68 and Figure 69.
Rev. 0 | Page 50 of 96
FREQUENCY (MHz)
0.5
–0.5
30
5
0
G
10
15
20
25
0.4
0.1
–0.2
–0.3
–0.4
0.3
0.2
0
–0.1
0
Figure 68. ED/HD Sinc Compensation Filter Enabled
FREQUENCY (MHz)
0.5
–0.5
30
5
0
G
10
15
20
25
0.4
0.1
–0.2
–0.3
–0.4
0.3
0.2
0
–0.1
0
Figure 69. ED/HD Sinc Compensation Filter Disabled
ED/HD TEST PATTERN COLOR CONTROLS
Subaddress 0x36 to Subaddress 0x38
Three 8-bit registers at Subaddress 0x36 to Subaddress 0x38
are used to program the output color of the internal ED/HD
test pattern generator (Subaddress 0x31, Bit 2 = 1), whether it
be the lines of the cross hatch pattern or the uniform field test
pattern. They are not functional as color controls for external
pixel data input.
The values for the luma (Y) and color difference (Cr and Cb)
signals used to obtain white, black, and saturated primary and
complementary colors conform to the ITU-R BT.601-4
standard.
Table 40 shows sample color values that can be programmed
into the color registers when the output standard selection is set
to EIA770.2/EIA770.3 (Subaddress 0x30, Bits[1:0] = 00).
Table 40. Sample Color Values for EIA770.2/EIA770.3
ED/HD Output Standard Selection
Sample Color
Y Value
White
235
(0xEB)
Black
16
(0x10)
Red
81
(0x51)
Green
145
(0x91)
Blue
41
(0x29)
Yellow
210
(0xD2)
Cyan
170
(0xAA)
Magenta
106
(0x6A)
COLOR SPACE CONVERSION MATRIX
Subaddress 0x03 to Subaddress 0x09
The internal color space conversion (CSC) matrix automatically
performs all color space conversions based on the input mode
programmed in the mode select register (Subaddress 0x01,
Bits[6:4]). Table 41 and Table 42 show the options available in
this matrix.
An SD color space conversion from RGB-in to YPrPb-out is
possible on the ADV7392/ADV7393. An ED/HD color space
conversion from RGB-in to YPrPb-out is not possible.
Cr Value
128 (0x80)
128 (0x80)
240 (0xF0)
34
110
146
16
222
Cb Value
128
128
90
54
240
16
166
202
(0x80)
(0x80)
(0x5A)
(0x36)
(0xF0)
(0x10)
(0xA6)
(0xCA)
(0x22)
(0x6E)
(0x92)
(0x10)
(0xDE)
Table 41. SD Color Space Conversion Options
YPrPb/RGB Out
(Reg. 0x02, Bit 5)
YCrCb
YPrPb
1
YCrCb
RGB
0
RGB
2
YPrPb
1
RGB
2
RGB
0
Input
Output
1
RGB In/YCrCb In
(Reg. 0x87, Bit 7)
0
0
1
1
1
CVBS/YC outputs are available for all CSC combinations.
2
Available on the ADV7392/ADV7393 (40-pin devices) only.
Table 42. ED/HD Color Space Conversion Options
Input
Output
YCrCb
YPrPb
YCrCb
RGB
ED/HD Manual CSC Matrix Adjust Feature
The ED/HD manual CSC matrix adjust feature provides custom
coefficient manipulation for color space conversions and is used
in ED and HD modes only. The ED/HD manual CSC matrix
adjust feature can be enabled using Subaddress 0x02, Bit 3.
Normally, there is no need to enable this feature because the CSC
matrix automatically performs the color space conversion based
on the input mode chosen (ED or HD) and the output color
space selected (see Table 42). For this reason, the ED/HD
manual CSC matrix adjust feature is disabled by default.
YPrPb/RGB Out (Reg. 0x02, Bit 5)
1
0
相關(guān)PDF資料 |
PDF描述 |
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| ADV7391BCPZ | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7391BCPZ-REEL | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7391EBZ | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7392 | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7392BCPZ | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7391BCBZ-A-RL | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| ADV7391BCPZ | 功能描述:IC ENCODER VIDEO W/DAC 32LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7391BCPZ-REEL | 功能描述:IC VIDEO ENCODER SD/HD 32-LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7391EBZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7391WBCPZ | 制造商:Analog Devices 功能描述: |
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