参数资料
型号: TVP5146M2PFPG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP80
封装: GREEN, PLASTIC, HTQFP-80
文件页数: 51/107页
文件大小: 1427K
代理商: TVP5146M2PFPG4
Functional Description
40
SLES141B—August 2007
TVP5146M2PFP
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 TVP5146M2 decoder updates the AVID start only when the AVID start MSB byte is written to. If the user
changes these registers, then the TVP5146M2 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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