參數(shù)資料
型號(hào)： ADV7189
廠商： Analog Devices, Inc.
英文描述： Multiformat SDTV Video Decoder
中文描述： 標(biāo)清多格式視頻解碼器
文件頁數(shù)： 48/104頁
文件大?。?/td> 890K
代理商： ADV7189
ADV7189
NVENDDELO NTSC VSync End Delay on Odd Field,
Address 0xE6, [7]
Table 115. NVENDDELO Function
NVENDDELO
Description
0*
No Delay.
1
Delay VSync going low on an odd field by a line
relative to NVEND.
*Default value.
Rev. A | Page 48 of 104
NVENDDELE NTSC VSync End Delay on Even Field,
Address 0xE6, [6]
Table 116. NVENDDELE Function
NVENDDELE
Description
0*
No Delay.
1
Delay VSync going low on an even field by a line
relative to NVEND.
*Default value.
NVENDSIGN NTSC VSync End Sign, Address 0xE6, [5]
Table 117. NVENDSIGN Function
NVENDSIGN
Description
0*
Delay start of VSync. Set for user manual
programming.
1
Advance start of VSync. Not recommended for
user programming.
*Default value.
NVEND NTSC[4:0] VSync End, Address 0xE6, [4:0]
Table 118. NVEND Function
NVEND
Description
00100*
NTSC VSync end position.
*Default value.
Note: For all NTSC/PAL VSync timing controls, both the V bit
in the AV code and the VSync on the VS pin are modified.
NFTOGDELO NTSC Field Toggle Delay on Odd Field,
Address 0xE7, [7]
Table 119. NFTOGDELO Function
NFTOGDELO
Description
0*
No delay.
1
Delay Field toggle/transition on an odd field by
a line relative to NFTOG.
*Default value.
NFTOGDELE NTSC Field Toggle Delay on Even Field,
Address 0xE7, [6]
Table 120. NFTOGDELE Function
NFTOGDELE
Description
0
No Delay
1*
Delay Field toggle/transition on an even field by
a line relative to NFTOG.
*Default value.
0
ADVANCE TOGGLE OF
FIELD BY NFTOG[4:0]
DELAY TOGGLE OF
FIELD BY NFTOG[4:0]
NFTOGSIGN
ODD FIELD
0
1
NO
YES
NFTOGDELE
ADDITIONAL
DELAY BY
1 LINE
1
0
NFTOGDELO
ADDITIONAL
DELAY BY
1 LINE
1
0
FIELD
TOGGLE
NOT VALID FOR USER
PROGRAMMING
Figure 25. NTSC FIELD Toggle
NFTOGSIGN NTSC Field Toggle Sign, Address 0xE7, [5]
Table 121. NFTOGSIGN Function
NFTOGSIGN
Description
0
Delay field transition. Set for user manual
programming.
1*
Advance field transition. Not recommended for
user programming.
*Default value.
NFTOG[4:0] NTSC Field Toggle, Address 0xE7, [4:0]
Table 122. NFTOG Function
NFTOG
Description
00011*
NTSC FIELD toggle position.
*Default value.
Note: For all NTSC/PAL FIELD timing controls, both the F bit
in the AV code and the FIELD signal on the FIELD/DE pin are
modified.
Table 123. Recommended User Settings for PAL
(See Figure 27)
Register
Register Name
0x31
VSync Field Control 1
0x32
VSync Field Control 2
0x33
VSync Field Control 3
0x37
Polarity
0xE8
PAL_V_Bit_Beg
0xE9
PAL_V_Bit_End
0xEA
PAL_F_Bit_Tog
Write
0x12
0x81
0x84
0x29
0x1
0x4
0x6
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