參數(shù)資料
型號: ADV7183BBSTZ
廠商: Analog Devices Inc
文件頁數(shù): 38/100頁
文件大小: 0K
描述: IC VIDEO DECODER NTSC 80-LQFP
產(chǎn)品培訓模塊: Interfacing AV Converters to Blackfin Processors
標準包裝: 1
類型: 視頻解碼器
應用: 投影儀,錄音機,安全
電壓 - 電源,模擬: 3.15 V ~ 3.45 V
電壓 - 電源,數(shù)字: 1.65 V ~ 2 V
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應商設備封裝: 80-LQFP(14x14)
包裝: 托盤
產(chǎn)品目錄頁面: 788 (CN2011-ZH PDF)
ADV7183B
Rev. B | Page 42 of 100
Table 56. Recommended User Settings for NTSC (See
218H
Figure 22)
Register
Register Name
Write
0x31
Vsync Field Control 1
0x1A
0x32
Vsync Field Control 2
0x81
0x33
Vsync Field Control 3
0x84
0x34
Hsync Pos. Control 1
0x00
0x35
Hsync Pos. Control 2
0x00
0x36
Hsync Pos. Control 3
0x7D
0x37
Polarity
0xA1
0xE5
NTSV_V_Bit_Beg
0x41
0xE6
NTSC_V_Bit_End
0x84
0xE7
NTSC_F_Bit_Tog
0x06
ADVANCE BEGIN OF
VSYNC BY NVBEG[4:0]
DELAY BEGIN OF
VSYNC BY NVBEG[4:0]
VSYNC BEGIN
NVBEGSIGN
ODD FIELD?
0
1
NO
YES
NVBEGDELO
VSBHO
ADDITIONAL
DELAY BY
1 LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NVBEGDELE
VSBHE
ADDITIONAL
DELAY BY
1 LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NOT VALID FOR USER
PROGRAMMING
04997-023
Figure 23. NTSC Vsync Begin
NVBEGDELO NTSC Vsync Begin Delay on Odd Field,
Address 0xE5[7]
When NVBEGDELO is 0 (default), there is no delay.
Setting NVBEGDELO to 1, delay Vsync going high on an odd
field by a line relative to NVBEG.
NVBEGDELE NTSC Vsync Begin Delay on Even Field,
Address 0xE5[6]
When NVBEGDELE is 0 (default), there is no delay.
Setting NVBEGDELE to 1 delays Vsync going high on an even
field by a line relative to NVBEG.
NVBEGSIGN NTSC Vsync Begin Sign, Address 0xE5[5]
Setting NVBEGSIGN to 0 delays the start of Vsync. Set for user
manual programming.
Setting NVBEGSIGN to 1 (default), advances the start of Vsync.
Not recommended for user programming.
NVBEG[4:0] NTSC Vsync Begin, Address 0xE5[4:0]
The default value of NVBEG is 00101, indicating the NTSC
Vsync begin position.
For all NTSC/PAL Vsync timing controls, both the V bit in the
AV code and the Vsync on the VS pin are modified.
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