Chip Scale PAL/NTSC Video Encoder with

Advanced Power Management

ADV7174/ADV7179

Rev. A

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However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

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© 2004 Analog Devices, Inc. All rights reserved.

FEATURES

ITU-R1 BT601/BT656 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 signaling)

Single 27 MHz clock required (×2 oversampling)

Macrovision 7.1 (ADV7174 only)

80 dB video SNR

32-bit direct digital synthesizer for color subcarrier

Multistandard video output support:

Composite (CVBS)

Component S-video (Y/C)

Video input data port supports:

CCIR-656 4:2:2 8-bit parallel input format

Programmable simultaneous composite and S-video or RGB

(SCART)/YPbPr 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

Closed captioning support

Teletext insertion port (PAL-WST)

On-board color bar generation

On-board voltage reference

Single-supply 2.8 V and 3.3 V operation

Small 40-lead 6 mm × 6 mm LFCSP package

−40°C to +85°C at 3.3 V

−20°C to +85°C at 2.8 V

APPLICATIONS

Portable video applications

Mobile phones

Digital still cameras

FUNCTIONAL BLOCK DIAGRAM

9

9

8

10

8

8

8

10

8

8

8

10

10

10

10

10

10

SCLOCK

SDATA

ALSB

HSYNC

FIELD/VSYNC

BLANK

CLOCK

GND

DACA(PIN29)

COMP

8

8

8

ADV7174/ADV7179

COLOR

DATA

P7–P0

SCRESET/RTC

DACB(PIN28)

DACC(PIN24)

Y

U

V

RESET

TELETEXT

INSERTION

BLOCK

YUV TO

RBG

MATRIX

VOLTAGE

REFERENCE

CIRCUIT

REAL-TIME

CONTROL

CIRCUIT

10-BIT

DAC

10-BIT

DAC

10-BIT

DAC

M

U

L

T

I

P

L

E

X

E

R

CGMS AND WSS

INSERTION

BLOCK

ADD

SYNC

ADD

BURST

INTER-

POLATOR

SIN/COS

DDS BLOCK

VIDEO TIMING

GENERATOR

PROGRAMMABLE

LUMINANCE

FILTER

PROGRAMMABLE

CHROMINANCE

FILTER

INTER-

POLATOR

POWER

MANAGEMENT

CONTROL

(SLEEP MODE)

YCrCb

TO

YUV

MATRIX

4:2:2 TO

4:4:4

INTER-

POLATOR

TTXREQ

TTX

10

10

10

U

V

Figure 1.

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

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. Contact the sales office for the latest Macrovision version available.