參數(shù)資料
型號: TVP5146PFPG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: GREEN, PLASTIC, HTQFP-80
文件頁數(shù): 52/109頁
文件大?。?/td> 1658K
代理商: TVP5146PFPG4
39
SLES084C August 2007
TVP5146
2.11.8
Luminance Processing Control 2 Register
Subaddress
07h
Default
00h
7
6
5
4
3
2
1
0
Luma filter select [1:0]
Reserved
Peaking gain (sharpness) [1:0]
Reserved
Luma filter selected [1:0]:
00 = Luminance adaptive comb enabled (default on CVBS)
01 = Luminance adaptive comb disabled (trap filter selected)
10 = Luma comb/trap filter bypassed (default on S-video, component mode, and SECAM)
11 = Reserved
Peaking gain (sharpness) [1:0]:
00 = 0 (default)
01 = 0.5
10 = 1
11 = 2
2.11.9
Luminance Processing Control 3 Register
Subaddress
08h
Default
02h
7
6
5
4
3
2
1
0
Reserved
Trap filter select [1:0]
Trap filter select [1:0] selects one of the four trap filters to produce the luminance signal by
removing the chrominance signal from the composite video signal. The stopband of the chroma
trap filter is centered at the chroma subcarrier frequency with the stopband bandwidth controlled
by the two control bits.
Trap filter stopband bandwidth (MHz):
Filter select [1:0]
NTSC ITU-R BT.601
NTSC Square pixel
PAL ITU-R BT.601
PAL
Square
pixel
00 =
1.2129
1.1026
1.2129
1.3252
01 =
0.8701
0.7910
0.8701
0.9507
10 = (default)
0.7183
0.6712
0.7383
0.8066
11 =
0.5010
0.4554
0.5010
0.5474
2.11.10
Luminance Brightness Register
Subaddress
09h
Default
80h
7
6
5
4
3
2
1
0
Brightness [7:0]
Brightness [7:0]: This register works for CVBS and S-video luminance.
1111 1111 = 255 (bright)
1000 0000 = 128 (default)
0000 0000 = 0 (dark)
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