Harman Kardon AVR 254, Service Manual

Page: 119 / 189

Multiformat Video Encoder
Six, 11-Bit, 297 MHz DACs
ADV7342/ADV7343
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
www.analog.com
Fax: 781.461.3113 ©2006 Analog Devices, Inc. All rights reserved.
FEATURES
74.25 MHz 20-/30-bit high definition input support
Compliant with SMPTE 274M (1080i), 296M (720p),
and 240M (1035i)
6, 11-bit, 297 MHz 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
R
GND_IO
VDD_IO
10-BIT
SD
VIDEO
DATA
20-BIT
ED/HD
VIDEO
DATA
S_HSYNC P_HSYNC P_VSYNC P_BLANK S_VSYNC
11-BIT
DAC 1
DAC 1
11-BIT
DAC 2
DAC 2
11-BIT
DAC 3
DAC 3
11-BIT
DAC 4
DAC 4
11-BIT
DAC 5
DAC 5
11-BIT
DAC 6
DAC 6
MU
LTI
P
L
E
X
E
R
REFERENCE
AND CABLE
DETECT
16x/4x OVERSAMPLING
DAC PLL
VIDEO TIMING GENERATOR
POWER
MANAGEMENT
CONTROL
CLKIN (2) PV
DD
PGND EXT_LF (2) 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
ALSB/
SPI_SS
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
06
39
9-
00
1
ADV7342/ADV7343
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.
119
AVR254
harman/kardon