EVAL-ADV7183BEB View Datasheet(PDF) - Analog Devices

Part Name

Description

MFG CO.

EVAL-ADV7183BEB

Multiformat SDTV Video Decoder

Analog Devices 

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NVENDDELO NTSC VSync End Delay on Odd Field,

Address 0xE6 [7]

Table 114. NVENDDELO Function

NVENDDELO Description

0 (default)

No Delay.

1

Delay VSync going low on an odd field by a line

relative to NVEND.

NVENDDELE NTSC VSync End Delay on Even Field,

Address 0xE6 [6]

Table 115. NVENDDELE Function

NVENDDELE Description

0 (default)

No delay.

1

Delay VSync going low on an even field by a

line relative to NVEND

NVENDSIGN NTSC VSync End Sign, Address 0xE6 [5]

Table 116. NVENDSIGN Function

NVENDSIGN Description

0 (default)

Delay end of VSync. Set for user manual

programming.

1

Advance end of VSync. Not recommended for

user programming.

NVEND NTSC[4:0] VSync End, Address 0xE6 [4:0]

Table 117. NVEND Function

NVEND

Description

00100 (default) NTSC VSync end 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.

NFTOGDELO NTSC Field Toggle Delay on Odd Field,

Address 0xE7 [7]

Table 118. NFTOGDELO Function

NFTOGDELO Description

0 (default)

No delay.

1

Delay Field toggle/transition on an odd field

by a line relative to NFTOG.

NFTOGDELE NTSC Field Toggle Delay on Even Field,

Address 0xE7 [6]

Table 119. NFTOGDELE Function

NFTOGDELE Description

0

No delay.

1 (default)

Delay Field toggle/transition on an even field

by a line relative to NFTOG.

ADV7183A

1

NFTOGSIGN

0

ADVANCE TOGGLE OF

FIELD BY NFTOG[4:0]

DELAY TOGGLE OF

FIELD BY NFTOG[4:0]

NOT VALID FOR USER

PROGRAMMING

ODD FIELD?

YES

NO

NFTOGDELO

1

0

ADDITIONAL

DELAY BY

1 LINE

NFTOGDELE

0

1

ADDITIONAL

DELAY BY

1 LINE

FIELD

TOGGLE

Figure 25. NTSC FIELD Toggle

NFTOGSIGN NTSC Field Toggle Sign, Address 0xE7 [5]

Table 120. NFTOGSIGN Function

NFTOGSIGN Description

0

Delay field transition. Set for user manual

programming.

1 (default)

Advance field transition. Not recommended

for user programming.

NFTOG[4:0] NTSC Field Toggle, Address 0xE7 [4:0]

Table 121. NFTOG Function

NFTOG

Description

00011 (default) 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/DE pin are

modified.

Table 122. Recommended User Settings for PAL

(see Figure 27)

Register

Register Name

Write

0x31

VSync Field Control 1

0x12

0x32

VSync Field Control 2

0x81

0x33

VSync Field Control 3

0x84

0x37

Polarity

0x29

0xE8

PAL_V_Bit_Beg

0x1

0xE9

PAL_V_Bit_End

0x4

0xEA

PAL_F_Bit_Tog

0x6

Rev. B | Page 47 of 104

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