參數(shù)資料
型號: TVP5146M1PFP
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: POWERPAD, PLASTIC, QFP-80
文件頁數(shù): 52/104頁
文件大小: 593K
代理商: TVP5146M1PFP
235
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.
2.11.21 AVID Stop Pixel Register
Subaddress
18h–19h
Default
325h
Subaddress
7
6
5
4
3
2
1
0
18h
AVID stop [7:0]
19h
Reserved
AVID stop [9:8]
AVID stop [9:0]: AVID stop pixel number. The number of pixels of active video must be an even number. This is an
absolute pixel location from HSYNC start pixel 0.
NTSC 601
NTSC Sqp
PAL 601
PAL Sqp
default
805 (325h)
726 (2D6h)
808 (328h)
696 (2B8h)
The TVP5146 decoder updates the AVID stop only when the AVID stop 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 EAV code.
2.11.22 HSYNC Start Pixel Register
Subaddress
1Ah–1Bh
Default
000h
Default (000h)
Subaddress
7
6
5
4
3
2
1
0
1Ah
HSYNC start [7:0]
1Bh
Reserved
HSYNC start [9:8]
HSYNC start pixel [9:0]: This is an absolute pixel location from HSYNC start pixel 0.
The TVP5146 decoder updates the HSYNC start only when the HSYNC 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.
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