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HIGH DEFINITION EXPERIENCE
The TL880 IC is a highly integrated All Format Digital TV decoder designed for the PC platform. It is the first IC product in the
PC industry to be compliant with all ATSC and ARIB Digital TV formats including high definition DTV resolutions for superior
video quality. The TL880 architecture supports multiple international standards including ATSC, the European DVB, the
Japanese ARIB standard, as well as proprietary standards such as DIRECTV
®
. The TL880 can decode a single HD program or
up to four SD programs simultaneously for advanced features such as multicasting. The on-chip display processor with its state-
of-the art filtering algorithms can up/down-convert any ATSC-format input and output in any common display resolution while
maintaining the high definition video quality. Additionally, the TL880 IC can capture decoded NTSC video and up-convert it to
HD video
formats for a richer viewing experience.
GLOBAL AND SCALABLE ARCHITECTURE
With its high level of integration and optimized architecture, the TL880 decoder
delivers an affordable advanced Digital TV solution for the PC platform. It integrates
an All Format MPEG2 MP@HL video decoder, display processor with scan rate
converter, an ATSC/DVB/DIRECTV transport demultiplexer and PCI-bus interface
on a single chip to enable small footprint circuit board designs. The TL880 archi-
tecture is optimized through appropriate system integration to minimize the glue
logic needed for interfacing with peripheral components. An integrated 2D graphics
accelerator renders text and graphics to an independent on-screen display (OSD)
bitmap.
The TL880 architecture is suited for PC applications with its PCI interface, high level of integration and PC screen format
support. No external bridge chip is required for connecting the TL880 IC to the PCI bus resulting in significant cost savings for a
DTVPC implementation. The TL880 decoder can be programmed to support standard PC resolutions enabling the display of
Digital TV on 4:3 aspect ratio PC monitors. The TL880 IC is an ideal solution for bringing the advanced Digital TV experience to
the PC consumer at a mainstream price point.
TL880
DTVPC Decoder
Xport
CCIR656
CATV
Antenna
VSB
Demodulator
NTSC
Decoder
RGB
RGB
VIP Port
PCI Bus
HD Digital
Video
8
/16
/2
4
3
2
Memory
4/8/16 M
B
HD
Loop-back Cable
Analog
Sw
itch
HDTV
PC M
onitor
ATSC/NTSC
Tuner
Graphics Sub-system
TL880
TL880 SYSTEM DIAGRAM
integrated circuits
All Format Digital TV decoder for PC OEMs and add-in card manufacturers
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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. 11/00 - 5K
TeraLogic, Inc. 1240 Villa Street Mountain View CA 94041
tel 650.526.2000 fax 650.526.2006 www.teralogic.tv
circuits
APPLICATIONS
• All Format Digital TV on PC
• NTSC/Analog Broadcast on PC
• Cable TV Reception on PC
• Video Capture
• Digital VCR on PC
SUPPORTING TERALOGIC PRODUCTS
• Janus DTVPC Reference Design
HIGH PERFORMANCE DIGITAL VIDEO
DECODER
• MP@HL MPEG-2 decoder
• ATSC/DVB/ARIB/DIRECTV compliant
• Decodes 1 HD or 4 SD streams
simultaneously
HIGH PERFORMANCE DISPLAY
PROCESSOR
• Multiple display formats supported, including 1920x1080i, 1280x720p, 704x480p
and 704x480i
• PC display formats supported, including
1280x1024, 1024x768, 800x600, 640x480
• Many nonstandard output and source
formats supported
• Letterbox and pan-and-scan options for
displaying 16:9 video on 4:3 TVs and PCs
• Multiple video services displayed on the
same screen supports viewing of multiplex
MEMORY CONTROLLER
• 64-bit SDRAM interface
• Programmable clock generator
• Up to 64 Mbytes addressing range
ACCELERATED 2-D GRAPHICS
• Hardware BLT engine
• Up to 32 bpp graphics in RGB space
• Full alpha blend support
• Hardware color expansion and reduction
PROGRAMMABLE TRANSPORT
DEMULTIPLEXER
• ATSC/DVB/ARIB/DIRECTV
®
compliant
PCI BUS INTERFACE
• 32-bit interface
• 66 MHz or 33 MHz bus clock
• PCI bus mastering capability
AUDIO PROCESSING
• Provides audio rate buffer
• Provides audio and video PTS
synchronization
• Audio mix, cross-fade and attenuate
between sources
• Six-channel audio input and output
• IEC-958 formatted output supported
TECHNOLOGY
• 2.5V core, 3.3V I/O, 0.25µ CMOS
• 348-pin ball grid array package
services, picture-in-picture (PIP) and
picture-out-of-picture (POP) applications
• Graphics overlay plane with up to 24-bits
per pixel and 8-bit alpha channel
• Cursor plane with 32x32 pixel cursor with
4-bit index (16 colors with 8-bit alpha
blending)
• Analog RGB or YCrCb output for HDTV
display or SD display in down-conversion
mode
• 16- or 24-bit digital HD video output
• VIP 1.0 and VIP 2.0 port for interfacing to
PC graphics subsystem
FLEXIBLE FORMAT CONVERTER
• High-quality scan conversions from ATSC
and NTSC source formats to many output
display formats
• High quality up-conversion and downconversion of source video to selected
display format
NTSC VIDEO INTEGRATION
• Video capture port for NTSC/PAL digital
video (CCIR656 compatible)
• Simultaneous output in HD and 704x480i
supports analog VCR recording of off-air
programming
TL880 DTVPC Decoder
2D Graphics
• 32 bit engine
• Anti-alias filter
• Alpha blending
Memory 4/8/16 MB
PCI Bus
32
Memory Controller
PCI Controller
HD Transport
Stream
Digital Video
CCIR656
Audio In
VIP Port
Digital HD Video
RGB/YP
b
P
r
Audio Out
CCIR656
SD Video
Display Processor
• All ATSC formats
• PC formats
- VGA, SVGA, XVGA
• Letterbox mode
Transport
Demultiplexer
• ATSC
• ARIB
• DVB
• DIRECTV
Video Scaler
• 19 tap H/V filters
• Line doubler
• High quality
up/down conversion
• I to P conversion
• Aspect ratio
conversion
Audio
Processor/
Mixer
24
3
6
6
Digital Video Decoder
• M
P@HL M
PEG-2
• Decodes all 18 ATSC formats
• 1 HD or 4 SD streams
• Decodes DVD video
• ATSC, DVB, ARIB, DIRECTV
compliant
TL880
TL880 BLOCK DIAGRAM
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