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參數(shù)資料
| 型號： | ADV7172 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Digital PAL/NTSC Video Encoder with Six DACs 10 Bits, Color Control and Enhanced Power Management |
| 中文描述： | 數(shù)碼PAL / NTSC視頻編碼器與六DAC的10位，色彩控制和增強的電源管理 |
| 文件頁數(shù)： | 40/59頁 |
| 文件大?。?/td> | 455K |
| 代理商： | ADV7172 |
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ADV7172/ADV7173
–40–
REV. A
BRIGHTNESS CONTROL REGISTERS (SCR)
(Address (SR5–SR0) = 21H)
The brightness control register is an 8-bit-wide register which
allows brightness control. Figure 66 shows the operation under
control of this register.
SCR BIT DESCRIPTION
Reserved (SCR7–SCR5)
A Logic “0” must be written to these bits.
Brightness Control Value (SCR4–SCR0)
These five bits represent the value required to vary the “brightness
level” or pedestal added to the luma data. The available range is
from 0 IRE to 7.5 IRE in 18 steps. A value of 18 (10010) corre-
sponds to 7.5 IRE setup level added onto the pixel data. This
brightness control is possible in both PAL and NTSC.
SHARPNESS RESPONSE REGISTER (PR)
(Address (SR5-SR0) = 22H)
The sharpness response register is an 8-bit-wide register. The
four MSBs are set to “0.” The four LSBs are written to in order
to select a desired filter response. Figure 67 shows the operation
under control of this register.
PR BIT DESCRIPTION
Reserved (PR7–PR4)
A Logic “0” must be written to these bits.
Sharpness Response Select Value (PR3–PR0)
These four bits are used to select the desired luma filter re-
sponse. The option of twelve responses is given supporting a
gain boost/attenuation in the range –4 dB to +4 dB. The value
12 (1100) written to these four bits corresponds to a boost of
+4 dB while the value 0 (0000) corresponds to –4 dB. For nor-
mal operation these four bits are set to 6 (0110).
SCR7
SCR6
SCR5
SCR4
SCR3
SCR2
SCR1
SCR0
SCR4–SCR0
BRIGHTNESS VALUE
SCR7–SCR5
ZERO SHOULD
BE WRITTEN
TO THESE BITS
Figure 66. Brightness Control Register
PR7
PR6
PR5
PR4
PR3
PR2
PR1
PR0
PR3–PR0
SHARPNESS RESPONSE
SELECT
PR7–PR4
ZERO SHOULD
BE WRITTEN
TO THESE BITS
Figure 67. Sharpness Response Register
相關(guān)PDF資料 |
PDF描述 |
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| ADV7173 | Digital PAL/NTSC Video Encoder with Six DACs 10 Bits, Color Control and Enhanced Power Management |
| ADV7173* | Digital PAL/NTSC Video Encoder with Six DACs (10 Bits). Color Control and Enhanced Power Management |
| ADV7174 | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7174BCP | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7174BCP-REEL | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7172KST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Digital PAL/NTSC Video Encoder with Six DACs 10 Bits, Color Control and Enhanced Power Management |
| ADV7172KST-REEL | 制造商:Analog Devices 功能描述: |
| ADV7172KSTZ | 制造商:Analog Devices 功能描述: |
| ADV7172KSTZ-REEL | 功能描述:IC DAC VIDEO NTSC 6-CH 48-LQFP 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 標準包裝: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 |
| ADV7173 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Digital PAL/NTSC Video Encoder with Six DACs 10 Bits, Color Control and Enhanced Power Management |
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