REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

a

ADV7170/ADV7171*

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

World Wide Web Site: http://www.analog.com

Fax: 781/326-8703

© Analog Devices, Inc., 1998

Digital PAL/NTSC Video Encoder with 10-Bit

SSAF™ and Advanced Power Management

FUNCTIONAL BLOCK DIAGRAM

YUV TO

RBG

MATRIX

VIDEO TIMING

GENERATOR

9

9

8

10

8

8

8

10

8

8

8

10

YCrCb

TO

YUV

MATRIX

SIN/COS

DDS BLOCK

10

10

10

10

10

10

M

U

L

T

I

P

L

E

X

E

R

4:2:2 TO

4:4:4

INTER-

POLATOR

VOLTAGE

REFERENCE

CIRCUIT

SCLOCK

SDATA

ALSB

HSYNC

FIELD/

VSYNC

BLANK

CLOCK

GND

DAC D (PIN 27)

DAC A (PIN 32)

COMP

8

8

8

ADV7170/ADV7171

10-BIT

DAC

COLOR

DATA

P7–P0

P15–P8

10-BIT

DAC

10-BIT

DAC

REAL-TIME

CONTROL

CIRCUIT

SCRESET/RTC

INTER-

POLATOR

ADD

SYNC

PROGRAMMABLE

LUMINANCE

FILTER

10-BIT

DAC

DAC C (PIN 26)

DAC B (PIN 31)

ADD

BURST

INTER-

POLATOR

Y

U

V

POWER

MANAGEMENT

CONTROL

(SLEEP MODE)

RESET

PROGRAMMABLE

CHROMINANCE

FILTER

CGMS & WSS

INSERTION

BLOCK

TELETEXT

INSERTION

BLOCK

TTXREQ

TTX

10

10

10

U

V

FEATURES

ITU-R BT601/656 YCrCb to PAL/NTSC Video Encoder

High Quality 10-Bit Video DACs

SSAF (Super Sub-Alias Filter)

Advanced Power Management Features

CGMS (Copy Generation Management System)

WSS (Wide Screen Signalling)

Simultaneous Y, U, V, C Output Format

NTSC-M, PAL-M/N, PAL-B/D/G/H/I, PAL-60

Single 27 MHz Clock Required ( 2 Oversampling)

80 dB Video SNR

32-Bit Direct Digital Synthesizer for Color Subcarrier

Multistandard Video Output Support:

Composite (CVBS)

Component S-Video (Y/C)

Component YUV and RGB

EuroSCART Output (RGB + CVBS/LUMA)

Component YUV + CHROMA

Video Input Data Port Supports:

CCIR-656 4:2:2 8-Bit Parallel Input Format

4:2:2 16-Bit Parallel Input Format

SMPTE 170M NTSC-Compatible Composite Video

ITU-R BT.470 PAL-Compatible Composite Video

Programmable Simultaneous Composite

and S-Video or RGB (SCART)/YUV Video Outputs

Programmable Luma Filters (Low-Pass [PAL/NTSC])

Notch, Extended (SSAF, CIF and QCIF)

Programmable Chroma Filters (Low-Pass [0.65 MHz,

1.0 MHz, 1.2 MHz and 2.0 MHz], CIF and QCIF)

Programmable VBI (Vertical Blanking Interval)

Programmable Subcarrier Frequency and Phase

Programmable LUMA Delay

Individual ON/OFF Control of Each DAC

CCIR and Square Pixel Operation

Integrated Subcarrier Locking to External Video Source

Color Signal Control/Burst Signal Control

Interlaced/Noninterlaced Operation

Complete On-Chip Video Timing Generator

Programmable Multimode Master/Slave Operation

Macrovision AntiTaping Rev 7.01 (ADV7170 Only)**

Closed Captioning Support

Teletext Insertion Port (PAL-WST)

On-Board Color Bar Generation

On-Board Voltage Reference

Single Supply +5 V or +3.3 V Operation

Small 44-Lead PQFP/TQFP Packages

APPLICATIONS

High Performance DVD Playback Systems, Portable

Video Equipment Including Digital Still Cameras and

Laptop PCs, Video Games, PC Video/Multimedia and

Digital Satellite/Cable Systems (Set-Top Boxes/IRD)

*Protected by U.S. Patent Numbers 5,343,196 and 5,442,355 and other intellectual property rights.

**This device is protected by U.S. Patent Numbers 4,631,603, 4,577,216, 4,819,098 and other intellectual property rights. The Macrovision anticopy process is

licensed for noncommercial home use only, which is its sole intended use in the device. Please contact sales office for latest Macrovision version available.

NOTE: ITU-R and CCIR are used interchangeably in this document (ITU-R has replaced CCIR recommendations).

SSAF is a trademark of Analog Devices, Inc.

I