參數(shù)資料
型號: TVP5146PFPG4
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): 57/109頁
文件大小: 1658K
代理商: TVP5146PFPG4
43
SLES084C August 2007
TVP5146
2.11.18
Component Pb Saturation Register
Subaddress
12h
Default
80h
7
6
5
4
3
2
1
0
Pb saturation [7:0]
Pb saturation [7:0]: This register works only with YPbPr component video. For RGB video, user
must use the AFE gain registers.
1111 1111 = 255 (maximum)
1000 0000 =128 (default)
0000 0000 = 0 (minimum)
2.11.19
Component Y Brightness Register
Subaddress
14h
Default
80h
7
6
5
4
3
2
1
0
Y brightness [7:0]
Y brightness [7:0]: This register works only with YPbPr component video.
1111 1111 = 255 (maximum)
1000 0000 = 128 (default)
0000 0000 = 0 (minimum)
2.11.20
AVID Start Pixel Register
Subaddress
16h–17h
Default
055h
Subaddress
7
6
5
4
3
2
1
0
16h
AVID start [7:0]
17h
Reserved
AVID active
Reserved
AVID start [9:8]
AVID active:
0 = AVID out active in VBLK (default)
1 = AVID out inactive in VBLK
AVID start [9:0]: AVID start pixel number, this is a absolute pixel location from HSYNC start pixel
0.
NTSC 601
NTSC Sqp
PAL 601
PAL Sqp
default
85 (55h)
86 (56h)
88 (58h)
103 (67h)
The TVP5146 decoder updates the AVID start only when the AVID start MSB byte is written to. If
the user changes these registers, then the TVP5146 decoder retains values in different modes
until this decoder resets. The AVID start pixel register also controls the position of the SAV code.
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