Change To Nftog Section - Analog Devices ADV7181B Manual

Table 56. Recommended User Settings for PAL (see Figure 26)
Register
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0xE8
0xE9
0xEA
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.
1 NFTOGSIGN
ADVANCE TOGGLE OF
FIELD BY NFTOG[4:0]
NOT VALID FOR USER
PROGRAMMING
ODD FIELD?
YES
NFTOGDELO
1 0
ADDITIONAL
DELAY BY
1 LINE
Figure 24. NTSC Field Toggle
Register Name
Vsync Field Control 1
Vsync Field Control 2
Vsync Field Control 3
Hsync Pos. Control 1
Hsync Pos. Control 2
Hsync Pos. Control 3
Polarity
PAL_V_Bit_Beg
PAL_V_Bit_End
PAL_F_Bit_Tog
Rev. B | Page 43 of 100
0
DELAY TOGGLE OF
FIELD BY NFTOG[4:0]
NO
NFTOGDELE
0 1
ADDITIONAL
DELAY BY
1 LINE
FIELD
TOGGLE
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.
ADV7181B
Write
0x1A
0x81
0x84
0x00
0x00
0x7D
0xA1
0x41
0x84
0x06