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®
STi5100
Low-cost interactive set-top box decoder
DATA BRIEF
Description
The STi5100 provides the power and features
required to meet the specifications of the most
demanding broadcasters and can be used in
satellite, terrestrial, cable or IP set-top boxes. The
STi5100 also provides a USB2.0 host interface
which allows consumers to connect a wide range of
peripherals to their STB such as digital cameras,
memory sticks, printers and hard disk drives for DVR
applications
The STi5100 featur es the ST20 CPU that is
standard across the OMEGA range but boosts the
clock speed to 243MHz which, when combined with
the DDR memory interface, gives the new device
exceptional levels of performance. The new chip
also includes a unified DDR memory interface and a
modem interface compatible with Silicon
Laboratories’ silicon DAA.
Application: Cost effective set-top box with optional hard disk
.
QPSK ZIF Rx
STV0399
QPSK ZIF Rx
STV0399
(Optional)
PSTN
Transport
stream in
Transport
stream in
SiLabs
DAA
HDD
USB
port
128 Mbit
DDR
STi5100
Smart
Smart
Cards
cards
IR Tx/Rx
RGB
CVBS/YC
VCR
Flash
May 2004 1/2
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STi5100
Features
■ Enhanced ST20 32-bit VL-RISC CPU
● 243 MHz, 8Kbyte ICache, 8Kbyte DCache, 4
Kbyte SRAM
■ Unified Memory Interface
■ Dual Transport Stream Merger
● Supports DVB and DIRECTV
● Integrated DES-ECB, DVB and ICAM
descramblers
● NDS RASP compliant
● Low cost DVB-CI and Cable Card support
■ MPEG-2 MP@ML Video Decoder
● Trick modes including smooth fast forward and
rewind
■ Audio
● MPEG-1 layers I/II, MP3
● Dolby
● Dolby Pro Logic
● PCM input, mixing and sample rate conversion
● SRS/TruSurrondXT
● Simultaneous MPEG audio decode and output
Digital decoding
compatible output
virtual surround sound
of Dolby streams
■ Graphics/Display
● 4 display planes
● 2, 4 and 8 bpp CLUT graphics, 256 x 30 bits
(AYCBCr) CLUT entries
● 16 bpp true color graphics
● Alpha blending, antialias ing, antiflutter,
antiflicker filters
■ PAL/NTSC/SECAM encoder
● RGB, CVBS, Y/C and YUV outputs with 10-bit
DACs
● CGMS, Teletext, WSS, VPS and close caption
■ On-Chip P e riphe r als
● 4 ASCs (UARTS)
● 4 parallel 8-bit I/O banks
● 2 smartcard interfaces and clock generators
● 3 SSCs for I²C/SPI master/slave interfaces
● Silicon Labs line side (DAA) interface
● High-speed USB OHCI/EHCI compliant host
interface
● DiSEqC interface
■ Enhanced Security
Ordering information
Device number Description
STi5100ZUA Basic STi5100
STi5100-Mboard Development platform
STi5100-Ref Example STB design
STi5100-STDVB STAPI drivers for DV B
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement 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 right s of STMicroele ctronics. Speci fications mentioned in this publication are subj ect
to change without noti ce. T his publication supersedes and replaces all information previousl y supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without the express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
All other names are the property of their respective owners
© 2004 STMicroelectronics - All Rights Reserved
STMicroelectronics Group of Companies
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