adv7189b Analog Devices, Inc., adv7189b Datasheet - Page 44

• Manufacturer Part Number: adv7189b
• Description: Multiformat Sdtv Video Decoder
• Manufacturer: Analog Devices, Inc.

ADV7189B
NVENDDELO NTSC Vsync End Delay on Odd Field,
Address 0xE6[7]
When NVENDDELO is 0 (default), there is no delay.
Setting NVENDDELO to 1 delays Vsync from going low on
an odd field by a line relative to NVEND.
NVENDDELE NTSC Vsync End Delay on Even Field,
Address 0xE6[6]
When NVENDDELE is set to 0 (default), there is no delay.
Setting NVENDDELE to 1 delays Vsync from going low on
an even field by a line relative to NVEND.
NVENDSIGN NTSC Vsync End Sign, Address 0xE6[5]
Setting NVENDSIGN to 0 (default) delays the end of Vsync.
Set for user manual programming .
Setting NVENDSIGN to 1 advances the end of Vsync. Not
recommended for user programming.
NVEND NTSC[4:0] Vsync End, Address 0xE6[4:0]
The default value of NVEND is 00100, indicating the NTSC
Vsync end position.
NOT VALID FOR USER
PROGRAMMING
VSYNC BY NVEND[4:0]
ADVANCE END OF
ADVANCE BY
NVENDDELO
ADDITIONAL
DELAY BY
0.5 LINE
VSEHO
1 LINE
YES
1
1
Figure 24. NTSC Vsync End
1
0
0
NVENDSIGN
ODD FIELD?
VSYNC END
0
0
DELAY END OF VSYNC
BY NVEND[4:0]
ADVANCE BY
NVENDDELE
ADDITIONAL
DELAY BY
0
0.5 LINE
VSEHE
1 LINE
NO
1
1
Rev. B | Page 44 of 104
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]
When NFTOGDELO is 0 (default), there is no delay.
Setting NFTOGDELO to 1 delays the field toggle/transition
on an odd field by a line relative to NFTOG.
NFTOGDELE NTSC Field Toggle Delay on Even Field,
Address 0xE7[6]
When NFTOGDELE is 0 (default), there is no delay.
Setting NFTOGDELE to 1 delays the field toggle/transition on
an even field by a line relative to NFTOG.
NFTOGSIGN NTSC Field Toggle Sign, Address 0xE7[5]
Setting NFTOGSIGN to 0 delays the field transition. Set for
user manual programming.
Setting NFTOGSIGN to 1 (default) advances the field
transition. Not recommended for user programming.
NFTOG[4:0] NTSC Field Toggle, Address 0xE7[4:0]
The default value of NFTOG is 00011, indicating the
NTSC Field toggle position.
For all NTSC/PAL FIELD timing controls, both the F bit
in the AV code and the FIELD signal on the FIELD
pin are modified.
NOT VALID FOR USER
PROGRAMMING
ADVANCE TOGGLE OF
FIELD BY NFTOG[4:0]
NFTOGDELO
ADDITIONAL
DELAY BY
1 LINE
YES
Figure 25. NTSC FIELD Toggle
1
1
0
NFTOGSIGN
ODD FIELD?
TOGGLE
FIELD
0
FIELD BY NFTOG[4:0]
DELAY TOGGLE OF
NFTOGDELE
ADDITIONAL
DELAY BY
0
1 LINE
NO
1