ADV7180WBSTZ datasheet(90/120 Pages) AD

90 / 120 page

ADV7180

Data Sheet

Rev. G | Page 90 of 120

Subaddress

Bit Description

Bits

(Shading Indicates Default State)

Comments

Notes

0x2E

Chroma Gain

Control 2,

Chroma Gain2

(CG)

CMG[7:0]/CG[7:0]; chroma

manual gain lower eight

bits; see CMG[11:8]/

CG[11:8] for description

CMG[11:0] = see the CMG section

Min value = 0d,

Max value = 4095d

0x2F

Luma Gain

Control 1, Luma

Gain1 (LG)

LMG[11:8]/LG[11:8]; in

manual mode, luma gain

control can be used to

program a desired manual

luma gain; in auto mode,

it can be used to read

back the actual gain value

used

LAGC[1:0] settings decide in which

mode LMG[11:0] operates

Reserved

Set to 1

LAGT[1:0]; luma auto

matic gain timing allows

adjustment of the luma

AGC tracking speed

Slow (TC = 2 sec)

Only has an effect

if LAGC[1:0] is set

to autogain (001,

010, 011, or 100)

Medium (TC = 1 sec)

Fast (TC = 0.2 sec)

Adaptive

0x30

Luma Gain

Control 2, Luma

Gain2 (LG)

LMG[7:0]/LG[7:0]; luma

manual gain lower eight

bits; see LMG[11:8]/

LG[11:8] for description

LMG[11:0] - see the LMG section

LMG[11:0] =- see the LMG section

Min value = 1024d,

Max value = 4095d

0x31

VS/FIELD

Control 1

Reserved

Set to default

HVSTIM; selects where

within a line of video the

VS signal is asserted

Start of line relative to HSE

HSE = HSYNC end

Start of line relative to HSB

HSB = HSYNC begin

NEWAVMODE; sets the

EAV/SAV mode

EAV/SAV codes generated to suit

Analog Devices encoders

Manual VS/FIELD position controlled by

the 0x32, 0x33, and 0xE5 to 0xEA registers

Reserved

Set to default

0x32

VS/FIELD

Control 2

Reserved

Set to default

NEWAVMODE bit

must be set high

VSBHE

VS goes high in the middle of the

line (even field)

VS changes state at the start of the

line (even field)

VSBHO

VS goes high in the middle of the

line (odd field)

VS changes state at the start of the

line (odd field)

0x33

VS/FIELD

Control 3

Reserved

Set to default

VSEHE

VS goes low in the middle of the

line (even field)

NEWAVMODE bit

must be set high

VS changes state at the start of the

line (even field)

VSEHO

VS goes low in the middle of the line

(odd field)

VS changes state at the start of the

line odd field

0x34

HS Position

Control 1

HSE[10:8]; HS end allows

positioning of the HS

output within the

video line

HS output ends HSE[10:0] pixels after

the falling edge of HSYNC

Using HSB and

HSE the user can

program the

position and length

of the output

HSYNC

Reserved

Set to 0

HSB[10:8]; HS begin

allows positioning of

the HS output within

the video line

HS output starts HSB[10:0] pixels

after the falling edge of HSYNC

Reserved

Set to 0

0x35

HS Position

Control 2

HSB[7:0]; see Address 0x34,

using HSB[10:0] and

HSE[10:0], users can

program the position

and length of the HS

output signal

0x36

HS Position

Control 3

HSE[7:0]; see Address

0x35 description

ADV7180WBSTZ Datasheet(PDF) 90 Page - Analog Devices

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