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STi5118
Low-cost interactive FTA set-top box decoder
Data Brief
Features
■ Enhanced ST20 32-bit VL-RISC CPU
– 200 MHz, single cycle cache, 4 Kbyte
instruction cache, 4 Kbyte data cache, 2
Kbyte SRAM
■ Unified memory interface
– Up to166 MHz, 16-bit wide SDRAM
interface
■ Programmable flash memory interface
– SRAM , peri phe ra l, Flas h, SFla sh ™ supp or t
– support for low cost DVB-CI and ATAPI
■ Programmable transport interface (PTI)
– single transport stream input
– support for DVB transport streams
■ MPEG-2 MP@ML video decoder
– fully programmable horizontal and vertical
SRCs
■ Graphics/display
– advanced blitter base compositor
– 8 bpp CLUT graphics, 256 x 30 bits
(AYCbCr) CLUT entries
– 16 bpp true color graphics, RGB565,
ARGB1555, ARGB4444 formats, with linklist control
– Alpha blending, antialiasing, antiflutter,
antiflicker filters
– 2D paced blitter engine with fill function
■ PAL/NTSC/SECAM encoder
– RGB, CVBS, Y/C and YUV outputs with four
10-bit DAC outputs. RGB/CVBS or
YUV/CVBS or YC/CVBS
– Encoding of CGMS, Teletext, WSS, VPS,
close caption.
■ Audio subsystem
– MPEG-1 layers I/II
– simultaneous MPEG audio decode and
output of Dolby
®
streams on S/PDIF
– IEC958/IEC1937 digital audio output
interface
– inte grate d ster eo aud io DAC syst em
■ Central DMA controller
■ On-chip peripherals
– two ASCs (UARTs) with Tx and Rx FIFOs
– three 8-bit banks of parallel I/O and one
7-bit bank
– two SSCs for I²C/SPI master/slave
interfaces
– infrared transmitter/receiver
– integrated VCXO
SDRAM
STV0288
IR
RX/TX
and
STV6110A tuner
STV0362
COFDM
or
Tran sport stream in
STi5118
Audio
buffer
Video
buffer
+ tuner
NOR
Flash
November 2008 Rev 1 1/5
For further information contact your local STMicroelectronics sales office.
www.st.com
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Description STi5118
1 Description
STMicroelectronics sets a new standard for performance, price and integration in the single
chip MPEG-2 set-top-box decoder market with the introduction of the STi5118. This highly
integrated solution targets mass market FTA set-top boxes, offers increased performance
over earlier devices and includes many features for further reduce costs, including a unified
memory architecture.
The STi5118 features the ST20 CPU that is standard across the OMEGA range but boosts
the clock speed to 200 MHz which, when combined with the 2D graphics engine gives the
new device outstanding graphics performances, for mosaic composition, fast channel
change time and richer graphic content. Targeting low-cost, single tuner STB applications,
the STi5118 is hardware and software binary compatible with the STi5105. This allows
manufacturers to use a unified platform for all mass market set-top boxes.
The integration of the VCXO and audio DACs ensures that manufacturers using the
STi5118 will cut their total bill of materials and significantly simplify board design and
assembly.
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STi5118 Ordering information
2 Ordering information
Table 1. Ordering information
Order code Packaging
STi5118ALC Package 24 mm x 24 mm LQFP216
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Revision history STi5118
3 Revision history
Table 2. Document revision history
Date Revision Changes
17-Nov-2008 1 Initial release
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STi5118
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