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參數資料
| 型號： | ADV7180BSTZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | 10-Bit, 4 x Oversampling SDTV Video Decoder |
| 中文描述： | COLOR SIGNAL DECODER, PQFP64 |
| 封裝： | 10 X 10 MM, ROHS COMPLIANT, MS-026BCD, LQFP-64 |
| 文件頁數： | 26/112頁 |
| 文件大小： | 1320K |
| 代理商： | ADV7180BSTZ |
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ADV7180
SD_SAT_Cr[7:0], SD Saturation Cr Channel,
Address 0xE4 [7:0]
This register allows the user to control the gain of the Cr
channel only, which in turn adjusts the saturation of the picture.
Rev. A | Page 26 of 112
Table 25. SD_SAT_Cr Function
SD_SAT_Cr[7:0]
0x80 (default)
0x00
0xFF
Description
Gain on Cr channel = 0 dB
Gain on Cr channel = 42 dB
Gain on Cr channel = +6 dB
SD_OFF_Cb[7:0], SD Offset Cb Channel, Address 0xE1 [7:0]
This register allows the user to select an offset for the Cb
channel only and to adjust the hue of the picture. There is a
functional overlap with the HUE[7:0] register.
Table 26. SD_OFF_Cb Function
SD_OFF_Cb[7:0]
0x80 (default)
0x00
0xFF
Description
0 offset applied to the Cb channel
312 mV offset applied to the Cb channel
+312 mV offset applied to the Cb channel
SD_OFF_Cr [7:0], SD Offset Cr Channel, Address 0xE2 [7:0]
This register allows the user to select an offset for the Cr channel
only and to adjust the hue of the picture. There is a functional
overlap with the HUE[7:0] register.
Table 27. SD_OFF_Cr Function
SD_OFF_Cr[7:0]
0x80 (default)
0x00
0xFF
Description
0 offset applied to the Cr channel
312 mV offset applied to the Cr channel
+312 mV offset applied to the Cr channel
BRI[7:0], Brightness Adjust, Address 0x0A [7:0]
This register controls the brightness of the video signal. It
allows the user to adjust the brightness of the picture.
Table 28. BRI Function
BRI[7:0]
0x00 (default)
0x7F
0x80
Description
Offset of the luma channel = 0IRE
Offset of the luma channel = +100IRE
Offset of the luma channel = –100IRE
HUE[7:0], Hue Adjust, Address 0x0B [7:0]
This register contains the value for the color hue adjustment. It
allows the user to adjust the hue of the picture.
HUE[7:0] has a range of ±90°, with 0x00 equivalent to an
adjustment of 0°. The resolution of HUE[7:0] is 1 bit = 0.7°.
The hue adjustment value is fed into the AM color demodula-
tion block. Therefore, it only applies to video signals that contain
chroma information in the form of an AM-modulated carrier
(CVBS or Y/C in PAL or NTSC). It does not affect SECAM and
does not work on component video inputs (YPrPb).
Table 29. HUE Function
HUE[7:0]
0x00 (default)
0x7F
0x80
Description
(Adjust Hue of the Picture)
Phase of the chroma signal = 0°
Phase of the chroma signal = 90°
Phase of the chroma signal = +90°
DEF_Y[5:0], Default Value Y, Address 0x0C [7:2]
When the ADV7180 loses lock on the incoming video signal or
when there is no input signal, the DEF_Y[5:0] register allows
the user to specify a default luma value to be output. This value
is used under the following conditions:
If DEF_VAL_AUTO_EN bit is set to high and the ADV7180
has lost lock to the input video signal, this is the intended
mode of operation (automatic mode).
The DEF_VAL_EN bit is set, regardless of the lock status of
the video decoder. This is a forced mode that may be
useful during configuration.
The DEF_Y[5:0] values define the six MSBs of the output video.
The remaining LSBs are padded with 0s. For example, in 8-bit
mode, the output is Y[7:0] = {DEF_Y[5:0], 0, 0}.
For DEF_Y[5:0], 0x0D (blue) is the default value for Y.
Register 0x0C has a default value of 0x36.
DEF_C[7:0], Default Value C, Address 0x0D [7:0]
The DEF_C[7:0] register complements the DEF_Y[5:0] value. It
defines the four MSBs of Cr and Cb values to be output if
The DEF_VAL_AUTO_EN bit is set to high and the
ADV7180 cannot lock to the input video (automatic mode).
DEF_VAL_EN bit is set to high (forced output).
The data that is finally output from the ADV7180 for the
chroma side is Cr[7:0] = {DEF_C[7:4], 0, 0, 0, 0}, Cb[7:0] =
{DEF_C[3:0], 0, 0, 0, 0}.
For DEF_C[7:0], 0x7C (blue) is the default value for Cr and Cb.
DEF_VAL_EN, Default Value Enable, Address 0x0C [0]
This bit forces the use of the default values for Y, Cr, and Cb.
Refer to the descriptions in the DEF_Y[5:0], Default Value Y,
Address 0x0C [7:2] and DEF_C[7:0], Default Value C, Address
0x0D [7:0] sections for additional information. In this mode,
the decoder also outputs a stable 27 MHz clock, HS, and VS.
Setting DEF_VAL_EN to 0 (default) outputs a colored screen
determined by user-programmable Y, Cr, and Cb values when
the decoder free-runs. Free-run mode is turned on and off by
the DEF_VAL_AUTO_EN bit.
Setting DEF_VAL_EN to 1 forces a colored screen output
determined by user-programmable Y, Cr, and Cb values. This
overrides picture data even if the decoder is locked.
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相關代理商/技術參數 |
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|---|---|
| ADV7180BSTZ | 制造商:Analog Devices 功能描述:Video IC |
| ADV7180BSTZ-REEL | 功能描述:IC VIDEO DECODER SDTV 64-LQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 標準包裝:250 系列:- 類型:電平移位器 應用:LCD 電視機/監控器 安裝類型:表面貼裝 封裝/外殼:28-WFQFN 裸露焊盤 供應商設備封裝:28-WQFN（4x4）裸露焊盤 包裝:帶卷 (TR) 其它名稱:296-32523-2TPS65198RUYT-ND |
| ADV7180KCP32Z | 功能描述:IC VIDEO DECODER 10BIT 32LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調諧器 應用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應商設備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| ADV7180KCP32Z-RL | 功能描述:IC VIDEO DECODER 10BIT 32LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調諧器 應用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應商設備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| ADV7180KST48Z | 功能描述:IC VID DECOD SDTV 10BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調諧器 應用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應商設備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
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