ADV7170 Datasheet, PDF (1/55 Pages) Analog Devices – Digital PAL/NTSC Video Encoder with 10-Bit SSAF™ and Advanced Power Management

a Digital PAL/NTSC Video Encoder with 10-Bit
SSAF™ and Advanced Power Management
ADV7170/ADV7171*
FEATURES
Programmable Chroma Filters (Low-Pass [0.65 MHz,
ITU-R BT601/656 YCrCb to PAL/NTSC Video Encoder
1.0 MHz, 1.2 MHz and 2.0 MHz], CIF and QCIF)
High Quality 10-Bit Video DACs
Programmable VBI (Vertical Blanking Interval)
SSAF (Super Sub-Alias Filter)
Programmable Subcarrier Frequency and Phase
Advanced Power Management Features
Programmable LUMA Delay
CGMS (Copy Generation Management System)
Individual ON/OFF Control of Each DAC
WSS (Wide Screen Signalling)
CCIR and Square Pixel Operation
Simultaneous Y, U, V, C Output Format
Integrated Subcarrier Locking to External Video Source
NTSC-M, PAL-M/N, PAL-B/D/G/H/I, PAL-60
Color Signal Control/Burst Signal Control
Single 27 MHz Clock Required (؋2 Oversampling)
Interlaced/Noninterlaced Operation
80 dB Video SNR
Complete On-Chip Video Timing Generator
32-Bit Direct Digital Synthesizer for Color Subcarrier
Programmable Multimode Master/Slave Operation
Multistandard Video Output Support:
Macrovision AntiTaping Rev 7.01 (ADV7170 Only)**
Composite (CVBS)
Closed Captioning Support
Component S-Video (Y/C)
Teletext Insertion Port (PAL-WST)
Component YUV and RGB
On-Board Color Bar Generation
EuroSCART Output (RGB + CVBS/LUMA)
Component YUV + CHROMA
On-Board Voltage Reference
2-Wire Serial MPU Interface (I²C^® Compatible and Fast I²C)
Video Input Data Port Supports:
Single Supply +5 V or +3.3 V Operation
CCIR-656 4:2:2 8-Bit Parallel Input Format
Small 44-Lead PQFP/TQFP Packages
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])
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)
Notch, Extended (SSAF, CIF and QCIF)
FUNCTIONAL BLOCK DIAGRAM
TTXREQ
TTX
V_AA
RESET
COLOR
DATA
P7–P0
P15–P8
HSYNC
FIELD/VSYNC
BLANK
POWER
MANAGEMENT
CONTROL
(SLEEP MODE)
CGMS & WSS
INSERTION
BLOCK
TELETEXT
INSERTION
BLOCK
8
4:2:2 TO
4:4:4
INTER-
8
POLATOR
8
Y8
YCrCb
TO U 8
YUV
MATRIX
V8
ADD ⁹
SYNC
8
ADD
BURST 8
INTER- ⁹
POLATOR
8
INTER-
POLATOR ₈
PROGRAMMABLE
LUMINANCE
FILTER
10
PROGRAMMABLE
CHROMINANCE
FILTER
10
YUV TO
RBG
MATRIX
10
U
V
M
10
U ₁₀
L
10-BIT
T
DAC
10
I
P
10
10-BIT
L
DAC
10
E
X
10
10-BIT
E
DAC
R
10 _10-BIT
DAC
VIDEO TIMING
GENERATOR
I²C MPU PORT
REAL-TIME
CONTROL
CIRCUIT
10
10
SIN/COS
DDS BLOCK
ADV7170/ADV7171
VOLTAGE
REFERENCE
CIRCUIT
DAC D (PIN 27)
DAC C (PIN 26)
DAC B (PIN 31)
DAC A (PIN 32)
V_REF
R_SET
COMP
CLOCK
SCLOCK SDATA ALSB
SCRESET/RTC
GND
*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.
I²C is a registered trademark of Philips Corporation.
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.
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© Analog Devices, Inc., 1998