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| 型號： | ADV7176KS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | Integrated Digital CCIR-601 YCrCb to PAL/NTSC Video Encoder |
| 中文描述： | COLOR SIGNAL ENCODER, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數(shù)： | 1/36頁 |
| 文件大小： | 447K |
| 代理商： | ADV7176KS |
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REV. A
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
Integrated Dgital CCIR-601
YCrCb to PAL/NTSC Video Encoder
ADV7175/ADV7176
Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
CCIR-601 YCrCb to PAL/NTSC Video Encoder
Single 27 MHz Clock Required (
3
2 Oversampling)
Pixel 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 Output
CCIR624/CCIR601 PAL Compatible Composite Video Output
SCART/PeriTV Support
YUV Output Mode
Simultaneous Composite and S-VHS Y/C or RGB YUV
Video Outputs
Programmable Luma Filters (Low-Pass/Notch)
Square Pixel Support (Slave Mode)
Allows Subcarrier Phase Locking with External Video
Source
10-Bit DAC Resolution for Encoded Video Channels
8-Bit DAC Resolution for RGB Output
YUV Interpolation for Accurate Subcarrier Construction
Programmable Subcarrier Frequency and Phase
Programmable LUMA Delay
Color Signal Control/Burst Signal Control
Interlaced/Noninterlaced Operation
Complete On-Chip Video Timing Generator
Master/Slave Operation Supported
Master Mode Timing Programmability
Macrovision Antitaping Facility Rev 6.1/7.x (ADV7175 Only)*
Close Captioning Support
Teletext Support (Passthrough Mode)
On-Board Color Bar Generation
On-Board Voltage Reference
2-Wire Serial MPU Interface (I
2
C Compatible)
+5 V CMOS Monolithic Construction
44-Pin PQFP Thermally Enhanced Package
APPLICATIONS
MPEG-1 and MPEG-2 Video
DVD
Digital Satellite/Cable Systems (Set Top Boxes/IRDs)
Video Games
CD Video/Karaoke
Professional Studio Quality
PC Video/Multimedia
GE NE RAL DE SCRIPT ION
T he ADV7175/ADV7176 is an integrated digital video encoder
that converts Digital CCIR-601 4:2:2 component video data into a
standard analog baseband television signal compatible with world
wide standards NT SC, PAL B/D/G/H/I, PAL M or PAL N. In
addition to the composite output signal, there is the facility to out-
put S-VHS Y/C video, YUV or RGB video. T he Y/C, YUV or
RGB format is simultaneously available at the analog outputs with
the composite video signal. Each analog output generates a
standard video-level signal into a doubly terminated 75
load.
(Continued on page 6)
FUNCT IONAL BLOCK DIAGRAM
YUV TO
RBG
MATRIX
RESET
V
AA
8
8
8
10
8
8
8
10
8
8
8
10
INTER-
POLATOR
YCrCb
TO
YUV
MATRIX
SIN/COS
DDS BLOCK
10
10
8
10
10
10
10
M
U
L
T
I
P
L
E
X
E
R
VIDEO TIMING
GENERATOR
I
2
C MPU PORT
4:2:2 TO
4:4:4
INTER-
POLATOR
VOLTAGE
REFERENCE
CIRCUIT
SCLOCK SDATA ALSB
8
8
HSYNC
FIELD/
VSYNC
BLANK
CLOCK
GND
GREEN/
LUMA/
Y
RED/
CHROMA/
V
BLUE/
COMPOSITE/
U
COMPOSITE
V
REF
R
SET
COMP
V
LOW-PASS
FILTER
ADD
BURST
8
8
8
ADV7175/ADV7176
10-BIT
DAC
COLOR
DATA
P7–P0
P15–P8
10-BIT
DAC
10-BIT
DAC
REAL-TIME
CONTROL
CIRCUIT
SCRESET/RTC
INTER-
POLATOR
ADD
BURST
INTER-
POLATOR
ADD
SYNC
U
LOW-PASS
FILTER
Y
LOW-PASS
FILTER
10-BIT
DAC
*T his device is protected by U.S. Patent Numbers 4631603, 4577216, 4819098 and other intellectual property rights. T he 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.
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