ADV7182 datasheet(80/96 Pages) AD

80 / 96 page

ADV7182

Data Sheet

Main Map

Bits

(Shading Indicates Default State)

Comments

Notes

Subaddress

Bit Description

0xE8

PAL VSYNC

begin

PVBEG[4:0]; number of lines

after lCOUNT rollover to set V high

PAL default (ITU-R BT.656)

PVBEGSIGN

Sets to low when manual

programming

Not suitable for user

programming

PVBEGDELE; delay V bit going

high by one line relative to

PVBEG (even field)

No delay

Additional delay by one line

PVBEGDELO; delay V bit going

high by one line relative to

PVBEG (odd field)

No delay

Additional delay by one line

0xE9

PAL VSYNC

end

PVEND[4:0]; number of lines

after lCOUNT rollover to set V low.

PAL default (ITU-R BT.656)

PVENDSIGN

Sets to low when manual

programming

Not suitable for user

programming

PVENDDELE; delay V bit going

low by one line relative to

PVEND (even field)

No delay

Additional delay by one line

PVENDDELO; delay V bit going

low by one line relative to

PVEND (odd field)

No delay

Additional delay by one line

0xEA

PAL FIELD

toggle

PFTOG[4:0]; number of lines after

lCOUNT rollover to toggle F signal

PAL default (ITU-R BT.656)

PFTOGSIGN

Sets to low when manual

programming

Not suitable for user

programming

PFTOGDELE; delay F transition

by one line relative to PFTOG

(even field)

No delay

Additional delay by one line

PFTOGDELO; delay F transition

by one line relative to PFTOG

(odd field)

No delay

Additional delay by one line

0xEB

Vblank

Control 1

PVBIELCM[1:0]; PAL VBI even

field line control

VBI ends one line earlier (Line 335)

Controls position of

first active (comb

filtered) line after VBI

on even field in PAL

ITU-R BT.470 compliant (Line 336)

VBI ends one line later (Line 337)

VBI ends two lines later (Line 338)

PVBIOLCM[1:0]; PAL VBI odd field

line control

VBI ends one line earlier (Line 22)

Controls position of

first active (comb

filtered) line after VBI

on odd field in PAL

ITU-R BT.470 compliant (Line 23)

VBI ends one line later (Line 24)

VBI ends two lines later (Line 25)

NVBIELCM[1:0]; NTSC VBI even

field line control

VBI ends one line earlier (Line 282)

Controls position of

first active (comb

filtered) line after VBI

on even field in NTSC

ITU-R BT.470 compliant (Line 283)

VBI ends one line later (Line 284)

VBI ends two lines later (Line 285)

NVBIOLCM[1:0]; NTSC VBI odd

field line control

VBI ends one line earlier (Line 20)

Controls position of

first active (comb

filtered) line after VBI

on odd field in NTSC

ITU-R BT.470 compliant (Line 21)

VBI ends one line later (Line 22)

VBI ends two lines later (Line 23)

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