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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(qiáng)的電源管理 |
| 文件頁數(shù)： | 33/59頁 |
| 文件大小： | 455K |
| 代理商： | ADV7172 |
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ADV7172/ADV7173
–33–
REV. A
Brightness Enable Bit (MR73)
This bit is used to enable brightness control on the ADV7172/
ADV7173 by enabling the programmable “setup level” or ped-
estal described in the Brightness Control Register to be added to
the scaled Y data. When this bit is set (“1”), brightness control
is enabled. When this bit is set (“0”) brightness control is disabled.
Sharpness Response Enable Bit (MR74)
This bit is used to enable the sharpness of the luminance signal
on the ADV7172/ADV7173 (MR04–MR02 = 100). The various
responses of the filter are determined by the Sharpness Response
Register. When this bit is set (“1”) the luma response is altered
by the amount described in the Sharpness Response Register.
When this bit is set (“0”), the sharpness control is disabled (see
Figures 19, 20 and 21 for luma signal responses).
HSO–CSO Output Select (MR75)
This bit is used to determine whether HSO or CSO TTL out-
put signal is output at the
CSO_HSO
pin. If this bit is set (“1”),
then the CSO TTL signal is output. If this bit is set (“0”), then
the HSO TTL signal is output.
Reserved (MR77–MR76)
A Logic “0” must be written to these bits.
MR71
MR70
MR77
MR72
MR74
MR73
MR75
MR76
MR77 MR76 (0)
ZERO SHOULD
BE WRITTEN TO
THESE BITS
CSO/HSO
OUTPUT CONTROL
MR75
0
1
HSO OUT
CSO OUT
BRIGHTNESS
ENABLE CONTROL
MR73
0
1
DISABLE
ENABLE
LUMA SATURATION
CONTROL
MR71
0
1
DISABLE
ENABLE
SHARPNESS
RESPONSE ENABLE
MR74
0
1
DISABLE
ENABLE
HUE ADJUST
ENABLE
MR72
0
1
DISABLE
ENABLE
COLOR CONTROL
ENABLE
MR70
0
1
DISABLE
ENABLE
Figure 51. Mode Register 7 (MR7)
MODE REGISTER 7 MR7 (MR77–MR70)
(Address (SR4–SR0) = 07H)
Mode Register 7 is an 8-bit-wide register. Figure 51 shows the
various operations under the control of Mode Register 7.
MR7 BIT DESCRIPTION
Color Control Enable Bit (MR70)
This bit is used to enable control of contrast and saturation of
color. If this bit is set (“1”), color controls are enabled; if this
bit is set (“0”), the color control features are disabled.
Luma Saturation Control (MR71)
When this bit is set (“1”), the luma signal will be clipped if it
reaches a limit that corresponds to an input luma value of
255 after scaling by the contrast control. This prevents the
chrominance component of the composite video signal being
clipped if the amplitude of the luma is too high. When this bit is
set (“0”), this control is disabled.
Hue Adjust Enable Bit (MR72)
This bit is used to enable hue adjustment on the composite and
chroma output signals of the ADV7172/ADV7173. When this
bit is set (“1”), the hue of the color is adjusted by the phase
offset described in the Hue Adjust Control Register. When this
bit is set (“0”) hue adjustment is disabled.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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(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 |
| 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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