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STI5189

Low-cost QPSK demodulator and MPEG2 decoder for set-top box applications

STMicroelectronics 

Introduction

1

Introduction

STi5189

The STi5189 uses state of the art process technology to provide an ultra low cost, full

featured, SD set-top box SOC. It is a highly integrated solution combining QPSK

(Quadrature Phase Shift Keying) demodulation, audio/video decoding and applications

processing into a single chip, suitable for MPEG2 based satellite networks worldwide.

The STi5189 provides a solution for operators to specify a range of low cost SD STBs

including low cost Zappers, Interactive STBs and DVR-capable STBs, with content delivery

using broadcast or broadband networks, or both (Hybrid STBs).

The STi5189 is optimized for secure Pay-TV applications with integrated DVB, DES, Multi2

and ICAM descramblers and smartcard interfaces. It also has advanced security features

normally found in mid-to-high end devices to further safeguard operator and content

investment.

The STi5189 offers enhancements in performance, features and integration to current users

of ST’s MPEG2 SD family of audio/video decoders and QPSK demodulators, whilst

reducing cost and time-to-market for the next generation of deployments. Few external

components are required to realize a complete STB solution, resulting in very low BOM

cost.

Features

Combines a configurable DVB-S QPSK

demodulator with STB decoding and display

functions

ST40-300 applications CPU @350MHz,

32K I cache, 32K D cache

STMicroelectronics' Delta video decoding

system with Blitter display

Integrated USB 2.0 host,

Ethernet MAC with MII/RMII,

Low power process, design and architecture

Available in 15x15 package with ballout

optimized for 2-layer PCBs

Benefits

This highly integrated SoC helps to reduce board

area and manufacturing cost, allowing low-cost,

small size STBs to be designed for DVB-S

networks

Up to 580 DMIPs superscalar performance from a

single CPU core, using standard tools and

operating systems (Linux, OS21)

Allows dual SD decoding of MPEG2 video with PIP

capability

Enables connectivity to HDD for PVR systems and

to Ethernet networks for IP TV and hybrid/IP STBs

Low operating power consumption (<1W).

Best in class, low power standby mode (0.1W).

Fast resume from standby.

Reduced board manufacturing costs and board

size

Support for Serial Flash including secure boot. Allows low cost BOM, and safeguards boot code

integrity

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Doc ID 15458 Rev 3

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