參數(shù)資料
型號: TVP5156PNP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP128
封裝: GREEN, PLASTIC, HTQFP-128
文件頁數(shù): 67/108頁
文件大?。?/td> 1395K
代理商: TVP5156PNP
SLES243E
– JULY 2009 – REVISED MARCH 2011
Table 4-38. AVID Start Pixel
Subaddress
48h-49h
Default
007Ah/0084h
Subaddress
7
6
5
4
3
2
1
0
48h
AVID start [7:0]
49h
Reserved
AVID active
Reserved
AVID start [9:8]
AVID start [9:0]
AVID start pixel number, this is a absolute pixel location from HS start pixel 0.
The TVP5158 updates the AVID start only when the AVID start MSB byte is written to. AVID start pixel register also controls the
position of SAV code. If these registers are modified, then the TVP5158 will retain the values for each video standard until the
device is reset. The values for a particular video standard should be set by forcing the TVP5158 to the desired video standard first
using register 0Dh then setting this register. This should be repeated for each video standard where the default values need to be
changed.
AVID active
0
AVID out active in VBLK (default)
1
AVID out inactive in VBLK
Table 4-39. AVID Pixel Width
Subaddress
4Ah-4Bh
Default
02D0h
Subaddress
7
6
5
4
3
2
1
0
4Ah
AVID Width [7:0]
4Bh
Reserved
AVID Width [9:8]
AVID Width [9:0]
AVID pixel width. The number of pixels width of active video must be an even number. This is an absolute pixel location from HS
start pixel 0.
The TVP5158 updates the AVID pixel width only when the AVID pixel width MSB byte is written to. AVID pixel width register also
controls the position of EAV code. If these registers are modified, then the TVP5158 will retain the values for each video standard
until the device is reset. The values for a particular video standard should be set by forcing the TVP5158 to the desired video
standard first using register 0Dh then setting this register. This should be repeated for each video standard where the default
values need to be changed.
Table 4-40. Noise Reduction Max Noise
Subaddress
5Ch
Default
28h
7
6
5
4
3
2
1
0
Reserved
NR_Max_Noise [6:0]
User-defined maximum noise level
0010 1000
40 (default)
Copyright
2009–2011, Texas Instruments Incorporated
Internal Control Registers
61
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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