ADV7182ABCPZ datasheet(77/102 Pages) AD

77 / 102 page

Data Sheet

ADV7182A

Rev. 0 | Page 77 of 102

Main Map

Bits (Shading Indicates Default

State)

Comments

Notes

Subaddress

Bit Description

0x19

Comb filter

control

PSFSEL[1:0]; controls the

signal bandwidth that is fed to

the comb filters (PAL)

Narrow

Medium

Wide

Widest

NSFSEL[1:0]; controls the

signal bandwidth that is fed to

the comb filters (NTSC)

Narrow

Medium

Wide

Reserved

0x1D

ADI Control 2

Reserved

TRI_LLC; tristate LLC driver

LLC pin active

LLC pin tristated

0x27

Pixel delay

control

LTA[1:0]; luma timing adjust

allows the user to specify a

timing difference between

chroma and luma samples

No delay

CVBS mode,

LTA[1:0] = 00b,

Y/C mode,

LTA[1:0] = 01b,

YPrPb mode,

LTA[1:0] = 01b

Luma one clock (37 ns) late

Luma two clocks (74 ns) early

Luma one clock (37 ns) early

Reserved

Sets to 0

CTA[2:0]; chroma timing adjust

allows a specified timing

difference between the luma

and chroma samples

Reserved

CVBS mode

CTA[2:0] = 011b,

Y/C mode,

CTA[2:0] = 101b,

YPrPb mode,

CTA[2:0] = 110b

Chroma + two pixels (early)

Chroma + one pixel (early)

No delay

Chroma − one pixel (late)

Chroma − two pixels (late)

Chroma − three pixels (late)

Reserved

AUTO_PDC_EN; automatic

programmed delay control.

automatically programs the

LTA/CTA values so that luma

and chroma are aligned at the

output for all modes of

operation

Use values in LTA[1:0] and

CTA[2:0] for delaying

luma/chroma

LTA and CTA values determined

automatically

SWPC; allows the Cr and Cb

samples to be swapped

No swapping

Swaps the Cr and Cb output

samples

0x2B

Misc gain

control

PW_UPD; peak white update

determines the rate of gain

Updates once per video line

Peak white must be

enabled; see

LAGC[2:0]

Updates once per field

Reserved

Sets to default

CKE; color kill enable allows

the color kill function to be

switched on and off

Color kill disabled

For SECAM color

kill, the threshold is

set at 8%; see

CKILLTHR[2:0]

Color kill enabled

Reserved

Sets to default

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