ADV7180WBSTZ datasheet(93/120 Pages) AD

93 / 120 page

Data Sheet

ADV7180

Rev. G | Page 93 of 120

Subaddress

Bit Description

Bits

(Shading Indicates Default State)

Comments

Notes

0x4A

Gemstar

Control 3

GDECOL[15:8]; see the

Comments column

GDECOL[15:0]: 16 individual enable bits

that select the lines of video (odd field

Line 10 to Line 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

0x4B

Gemstar

Control 4

GDECOL[7:0]

0x4C

Gemstar

Control 5

GDECAD; controls the

manner decoded Gemstar

data is inserted into the

horizontal blanking period

Split data into half-byte

To avoid 00/FF code

Output in straight 8-bit format

GDE_SEL_OLD_ADF

Enables a new ancillary data system

Reserved

Undefined

0x4D

CTI DNR

Control 1

CTI_EN; CTI enable

Disable CTI

Enable CTI

CTI_AB_EN; enables the

mixing of the transient

improved chroma with

the original signal

Disable CTI alpha blender

Enable CTI alpha blender

CTI_AB[1:0]; controls the

behavior of the alpha-

blend circuitry

Sharpest mixing

Sharp mixing

Smooth mixing

Smoothest mixing

Reserved

Set to default

DNR_EN; enable or bypass

the DNR block

Bypass the DNR block

Enable the DNR block

Reserved

Set to default

0x4E

CTI DNR

Control 2

CTI_C_TH[7:0]; specifies

how big the amplitude

step must be to be steep-

ened by the CTI block

Set to 0x04 for AV input;

set to 0x0A for tuner input

0x50

CTI DNR

Control 4

DNR_TH[7:0]; specifies

the maximum edge that is

interpreted as noise and is

therefore blanked

0x51

Lock count

CIL[2:0]; count into lock

determines the number of

lines the system must

remain in lock before

showing a locked status

One line of video

Two lines of video

Five lines of video

10 lines of video

100 lines of video

500 lines of video

1000 lines of video

100,000 lines of video

COL[2:0]; count out of

lock determines the

number of lines the

system must remain out-

of-lock before showing a

lost-locked status

1 line of video

2 lines of video

5 lines of video

10 lines of video

100 lines of video

500 lines of video

1000 lines of video

100,000 lines of video

SRLS; select raw lock signal;

selects the determination

of the lock status

Over field with vertical info

Line-to-line evaluation

FSCLE; fSC lock enable

Lock status set only by horizontal lock

Lock status set by horizontal lock and

subcarrier lock

0x58

VS/FIELD

pin control

VS/FIELD; VSYNC or FIELD

output; 40-lead and

32-lead LFCSP only

FIELD

Pin 37 on 40-lead

LFCSP, Pin 31 on

32-lead LFCSP

VSYNC

Reserved

Set to default

ADC sampling control

Y/C mode only

Mandatory write

Reserved

Set to default

ADV7180WBSTZ Datasheet(PDF) 93 Page - Analog Devices

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