Datasheet

ManualsBrandsANALOG DEVICES ManualsLinear ICsADV7181CBSTZ

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Data Sheet ADV7181C

Rev. E | Page 3 of 20

FUNCTIONAL BLOCK DIAGRAM

INPUT

MUX

DATA

PREPROCESSOR

DECIMATION

AND

DOWNSAMPLING

FILTERS

STANDARD DEFINITION PROCESSOR

LUMA

FILTER

OUTPUT FIFO AND FORMATTER

A

IN1

TO

A

IN

6

ADV7181C

SERIAL INTERFACE

CONTROL AND VBI DATA

SCLK

SDATA

ALSB

SYNC

EXTRACT

20

HS/CS

10

10

PIXEL

DATA

P19 TO

P10

P9 TO

P0

VS

FIELD/DE

LLC

SFL/

SYNCOUT

CVBS

S-VIDEO

YPrPb

SCART–

(RGB + CVBS)

GRAPHICS RGB

6

CHROMA

FILTER

CHROMA

DEMOD

F

SC

RECOVERY

INT

LUMA

RESAMPLE

LUMA

2D COMB

(5H MAX)

RESAMPLE

CONTROL

CHROMA

RESAMPLE

CHROMA

2D COMB

(4H MAX)

FAST

BLANK

OVERLAY

CONTROL

AND

AV CODE

INSERTION

FB

Y

Cb

Cr

VBI DATA RECOVERY

MACROVISION

DETECTION

STANDARD

AUTODETECTION

CVBS/Y

C

Cb

Cr

Cb

Y

COLORSPACE

CONVERSION

CVBS

Cr

COMPONENT PROCESSOR

SSPD

STDI

SYNC PROCESSING AND

CLOCK GENERATION

HS_IN/

CS_IN

VS_IN

SOG/SOY

XTAL XTAL1

DIGITAL

FINE

CLAMP

GAIN

CONTROL

OFFSET

CONTROL

AV CODE

INSERTION

20

10

10

10

10

10

10

10

ACTIVE PEAK

AND

AGC

MACROVISION

DETECTION

CGMS DATA

EXTRACTION

10

ADC0

CLAMP

ANTI-

ALIAS

FILTER

10

ADC3

CLAMP

ANTI-

ALIAS

FILTER

10

ADC2

CLAMP

ANTI-

ALIAS

FILTER

10

ADC1CLAMP

ANTI-

ALIAS

FILTER

07513-001

Figure 1.