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TL855 Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – Professional Digital TV Decoder
TL855 Professional Digital TV Decoder
APPLICATIONS
• Professional/Broadcast STB
• Professional video decoding/editing systems
• Ad Insertion Systems
• Digital Cinema
SUPPORTING TERALOGIC PRODUCTS
• Cougar Pro Development Platform
• TL81x STB/PVR Controller ICs
PROGRAMMABLE TRANSPORT
DEMULTIPLEXER
• ATSC/DVB-HD/DIRECTV-HD compliant
• Glueless interface to most front-end ICs
• Maximum input bit rate of 135 Mbits/sec
supported
HIGH-PERFORMANCE 4:2:2 DIGITAL
VIDEO DECODER
• MP@HL MPEG2 4:2:2 decoder
• All ATSC/ARIB/DVB/DIRECTV compliant
decode formats
• Decodes one 4:2:2 HD (MP@HL) stream
at a time
• Decodes and displays HD content in 4:2:2
mode for professional applications
HIGH-PERFORMANCE DISPLAY
PROCESSOR
• Multiple output display formats supported,
including 1920x1080i, 1280x720p,
704x480p and 704x480i
• Many nonstandard input and output
formats supported
• Up/down conversion of source to selected
display format
• Graphics overlay plane with up to 8-bits
per pixel and global alpha blending
• Analog RGB or YCrCb output for HDTV
display
• Support for SMPTE 274M-, SMPTE 296M-,
SMPTE 293M-, and EIA 770-compatible
tri-level sync on analog output
• 16- or 24-bit digital video output in YCrCb
or RGB mode
AUDIO PROCESSING
• Audio stream play from memory
• Audio mix, cross-fade and attenuate
between sources
• Six-channel audio output
• IEC-958 formatted output supported
• Provides audio rate buffer
• Supports audio and video PTS
synchronization
ACCELERATED 2-D GRAPHICS
• Full alpha blend support
• Up to 32 bpp graphics in RGB
MEMORY CONTROLLER
• 64-bit wide SDRAM interface
• Programmable clock generator
• Up to 64 Mbytes addressing range
PCI BUS INTERFACE
• 32-bit interface
• 66 MHz or 33 MHz bus clock
• PCI slave capability supported
• DMA master capability over PCI bus
supported (4:2:0 mode only)
VIDEO DECODE AND DISPLAY
OF 4:2:0 CONTENT
• Supports video decode and display of
4:2:0 content as specified in the TL850
specification.
• Extra features are enabled in this mode
such as extra graphics modes. See the
TL850 product brief for the full list of
features enabled.
TECHNOLOGY
• 2.5-V core, 3.3-V I/O, 0.25-m CMOS
• 348-pin ball grid array package
Memory
SD/HD
Transport
Stream
TL855
Transport
Demultiplexer
• ATSC
• ARIB
• DVB
• DIRECTV
Audio
Processor/
Mixer
Memory Controller
2D Graphics
Digital Video Decoder
• MP@HL MPEG2 4:2:2 decoder
• Decodes all 18 ATSC formats
• ATSC, DVB, ARIB, DIRECTV
compliant
Display Processor
• All formats
• 1080i, 720p, 480p, 480i
PCI Controller
32
PCI Bus
TL855 BLOCK DIAGRAM
Digital HD
Video
Analog HD Out
(RGB/YPbPr)
Audio Out
(I2S and IEC958)
TeraLogic, Inc. 1240 Villa Street Mountain View CA 94041
tel 650.526.2000 fax 650.526.2006 www.teralogic.tv
Copyright 2000. TeraLogic, Inc. All rights reserved worldwide. TeraLogic and the TeraLogic logo are registered trademarks of TeraLogic, Inc. Janus is a
trademark of TeraLogic, Inc. All other trademarks are properties of their respective owners and are acknowledged.
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