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| 型號(hào)： | ADV7344 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat Video Encoder Six 14-Bit Noise Shaped Video DACs |
| 中文描述： | 多格式視頻編碼器6 14位噪聲整形視頻DAC |
| 文件頁(yè)數(shù)： | 1/88頁(yè) |
| 文件大?。?/td> | 1078K |
| 代理商： | ADV7344 |
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Multiformat Video Encoder Six 14-Bit
Noise Shaped Video
DACs
ADV7344
FEATURES
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2006 Analog Devices, Inc. All rights reserved.
www.analog.com
74.25 MHz 20-/30-bit high definition input support
Compliant with SMPTE 274M (1080i), 296M (720p),
and 240M (1035i)
6
Noise Shaped Video
(NSV) 14-bit video DACs
16× (216 MHz) DAC oversampling for SD
8× (216 MHz) DAC oversampling for ED
4× (297 MHz) DAC oversampling for HD
37 mA maximum DAC output current
NTSC M, PAL B/D/G/H/I/M/N, PAL 60 support
NTSC and PAL square pixel operation (24.54 MHz/29.5 MHz)
Multiformat video input support
4:2:2 YCrCb (SD, ED, and HD)
4:4:4 YCrCb (ED and HD)
4:4:4 RGB (SD, ED, and HD)
Multiformat video output support
Composite (CVBS) and S-Video (Y/C)
Component YPrPb (SD, ED, and HD)
Component RGB (SD, ED, and HD)
Macrovision Rev 7.1.L1 (SD) and Rev 1.2 (ED) compliant
Simultaneous SD and ED/HD operation
EIA/CEA-861B compliance support
Programmable features
Luma and chroma filter responses
Vertical blanking interval (VBI)
Subcarrier frequency (F
SC
) and phase
Luma delay
Copy generation management system (CGMS)
Closed captioning and wide screen signaling (WSS)
Integrated subcarrier locking to external video source
Complete on-chip video timing generator
On-chip test pattern generation
On-board voltage reference (optional external input)
Serial MPU interface with dual I
2
C and SPI compatibility
3.3 V analog operation
1.8 V digital operation
3.3 V I/O operation
Temperature range: 40°C to +85°C
APPLICATIONS
DVD recorders and players
High definition Blu-ray DVD players
HD-DVD players
FUNCTIONAL BLOCK DIAGRAM
ALSB/
SPI_SS
R
GND_IO
VDD_IO
10-BIT
SD
VIDEO
DATA
20-BIT
ED/HD
VIDEO
DATA
RESET
S_HSYNC
P_HSYNC P_VSYNC P_BLANK
S_VSYNC
Figure 1.
14-BIT
DAC 1
DAC 1
14-BIT
DAC 2
DAC 2
14-BIT
DAC 3
DAC 3
14-BIT
DAC 4
DAC 4
14-BIT
DAC 5
DAC 5
14-BIT
DAC 6
DAC 6
M
REFERENCE
AND CABLE
DETECT
16x/4x OVERSAMPLING
DAC PLL
VIDEO TIMING GENERATOR
POWER
MANAGEMENT
CONTROL
CLKIN (2) PV
DD
PGND
EXT_LF
V
REF
COMP (2)
R
SET
(2)
ED/HD INPUT
DEINTERLEAVE
PROGRAMMABLE
HDTV FILTERS
SHARPNESS AND
ADAPTIVE FILTER
CONTROL
YCbCr
HDTV
TEST
PATTERN
GENERATOR
YCbCr
TO
RGB MATRIX
G/B
RGB
ASYNC
BYPASS
RGB
DGND (2)
V
DD
(2)
SCL/
MOSI
SDA/
SCLK
SFL/
MISO
MPU PORT
SUBCARRIER FREQUENCY
LOCK (SFL)
YUV
TO
YCrCb/
RGB
PROGRAMMABLE
CHROMINANCE
FILTER
ADD
BURST
RGB/YCrCb
TO
YUV
MATRIX
4:2:2 TO 4:4:4
HD DDR
DEINTERLEAVE
SIN/COS DDS
BLOCK
16×
FILTER
16×
FILTER
4×
FILTER
AGND
V
AA
ADD
SYNC
VBI DATA SERVICE
INSERTION
PROGRAMMABLE
LUMINANCE
FILTER
ADV7344
0
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.
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