參數(shù)資料
型號: TVP5147M1PFP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: GREEN, PLASTIC, HTQFP-80
文件頁數(shù): 51/108頁
文件大?。?/td> 937K
代理商: TVP5147M1PFP
www.ti.com
SLES140F – JULY 2005 – REVISED DECEMBER 2010
Table 2-26. Chrominance Processing Control 1 Register
Subaddress
0Dh
Default
00h
7
6
5
4
3
2
1
0
Reserved
Color PLL
Chroma adaptive comb enable
Reserved
Automatic color gain
reset
control [1:0]
Color PLL reset:
0 = Color subcarrier PLL not reset (default)
1 = Color subcarrier PLL reset
Chrominance adaptive comb enable:
This bit is effective on composite video only.
0 = Enable (default)
1 = Disable
Automatic color gain control (ACGC) [1:0]:
00 = ACGC enabled (default)
01 = Reserved
10 = ACGC disabled, ACGC set to the nominal value
11 = ACGC frozen to the previously set value
Table 2-27. Chrominance Processing Control 2 Register
Subaddress
0Eh
Default
0Eh
7
6
5
4
3
2
1
0
Reserved
PAL
WCF
Chrominance filter select [1:0]
compensation
PAL compensation:
0 = Disabled
1 = Enabled (default)
Wideband chroma LPF filter (WCF):
0 = Disabled
1 = Enabled (default)
Chrominance filter select [1:0]:
00 = Disabled
01 = Notch 1
10 = Notch 2 (default)
11 = Notch 3
See Figure 2-6 and Figure 2-7 for characteristics.
Table 2-28. R/Pr Gain (Color Saturation) Register
Subaddress
10h
Default
80h
7
6
5
4
3
2
1
0
R/Pr gain [7:0]
R/Pr component gain (color saturation):
0000 0000 = minimum
1000 0000 = default
1111 1111 = maximum
For component video, the total R/Pr gain relative to the nominal R/Pr gain as a function of the R/Pr gain [7:0] setting is as follows:
R/Pr Gain = (nominal_chrominance_gain) × (R/Pr gain [7:0] / 128)
Copyright 2005–2010, Texas Instruments Incorporated
Functional Description
47
Product Folder Link(s): TVP5147M1
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