ADV7183BKSTZ datasheet(81/100 Pages) AD

81 / 100 page

ADV7183B

Rev. B | Page 81 of 100

Bits

Subaddress

Bit Description

Comments

Notes

Reserved

Set to default.

SFL compatible with

ADV7190/ADV7191/

ADV7194 encoders.

SFL_INV. Controls the behavior of

the PAL switch bit.

SFL compatible with

ADV717x/ADV7173x

encoders.

0x41

Resample

Control

Reserved

Set to default.

0x48

Gemstar

Control 1

GDECEL[15:8]. See the Comments

column.

0x49

Gemstar

Control 2

GDECEL[7:0]. See Comments

column.

GDECEL[15:0]. 16

individual enable bits that

select the lines of video

(even field Lines 10 to 25)

that the decoder checks

for Gemstar-compatible

data.

LSB = Line 10;

MSB = Line 25.

Default = Do not

check for Gemstar-

compatible data on

any lines[10 to 25] in

even fields.

0x4A

Gemstar

Control 3

GDECOL[15:8]. See the Comments

column.

0x4B

Gemstar

Control 4

GDECOL[7:0]. See Comments

column.

GDECOL[15:0]. 16

individual enable bits that

select the lines of video

(odd field lines 10 to 25)

that the decoder checks

for Gemstar-compatible

data.

LSB = Line 10;

MSB = Line 25.

Default = Do not

check for Gemstar-

compatible data on

any lines[10 to 25] in

odd fields.

Split data into half byte.

To avoid 00/FF code.

GDECAD. Controls the manner in

which decoded Gemstar data is

inserted into the horizontal blanking

period.

Output in straight 8-bit

format.

0x4C

Gemstar

Control 5

Reserved

Undefined.

Disable CTI.

CTI_EN. CTI enable.

1Enable CTI.

Disable CTI alpha blender.

CTI_AB_EN. Enables the mixing of

the transient improved chroma with

the original signal.

Enable CTI alpha blender.

Sharpest mixing.

Sharp mixing.

Smooth.

CTI_AB[1:0]. Controls the behavior

of the alpha-blend circuitry.

Smoothest.

Reserved

Set to default.

Bypass the DNR block.

DNR_EN. Enable or bypass the DNR

block.

Enable the DNR block.

0x4D

CTI DNR

Control 1

Reserved

Set to default.

0x4E

CTI DNR

Control 2

CTI_CTH[7:0]. Specifies how big the

amplitude step must be to be

steepened by the CTI block.

0x50

CTI DNR

Control 4

DNR_TH[7:0]. Specifies the

maximum edge that is interpreted

as noise and is therefore blanked.

0 0

Set to 0x04 for A/V input;

set to 0x0A for tuner

input.

ADV7183BKSTZ Datasheet(PDF) 81 Page - Analog Devices

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