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DESCRIPTION

The STi5500 is the first of a new generation of integrated multimedia decoder engines for set top

box and DVD applications. It offers a high level of integration by reducing the complete set top box decoding chain from Transport Demux to PAL/NTSC Encoder onto one chip. At the same time

it dramatically enhances CPU and Graphics per formance, and cuts down total system memory cost.

.ENHANCED 32-BIT VL-RISC CPU

- FAST INTEGER/BIT OPERATION AND VERY HIGH CODE DENSITY

.HIGH PERFORMANCE MEMORY/CACHE SUBSYSTEM

- 2KBYTES INSTRUCTION CACHE, 2KBYTES SRAM, 2KBYTES DATA CACHE/SRAM

- 160MBYTES/S BANDWIDTH

.COMBINED VIDEO AND AUDIO DECODER CORE

- VIDEO DECODER FULLY SUPPORTS MPEG-2 MP@ML

- MEMORY REDUCTION - PAL MP@ML IN 12MBITS

- 2 TO 8 BIT PER PIXEL OSD OPTIONS

- LETTERBOX (16:9) DISPLAY FORMAT

- HORIZONTAL AND VERTICAL RESIZING FUNCTIONS

- AUDIO DECODER SUPPORTS LAYERS 1 AND 2 OF MPEG, INTERFACE TO EXTERNAL DOLBY AC-3 DECODER

.PAL/NTSC ENCODER

- MACROVISION?VERSION 7.01/6.1 COMPATIBLE

- TELETEXT, AND CLOSED CAPTION

- SIMULTANEOUS OUTPUT OF RGB, CVBS AND COMPONENT VIDEO

.HIGH PERFORMANCE SDRAM MEMORY INTERFACE

- SUPPORTS 1 OR 2 16MBIT 100MHz SDRAMS

- ACCESSIBLE BY MPEG DECODER, CPU AND DMAS

- HIGH BANDWIDTH ACCESS FROM CPU ALLOWS HIGH PERFORMANCE OSD OPERATIONS

.PROGRAMMABLE MEMORY INTERFACE

- 4 BANKS EACH 8/16 BITS WIDE

- SUPPORT FOR MIXED MEMORY, PERIPHERALS, DRAM AND POWER PC

.LINK INTERFACE

- SERIAL INPUT

- SUPPORTS DSS, DVB, AND DVD BITSTREAMS

- 32 PIDS SUPPORTED

- DES AND DVB DESCRAMBLERS

- 32 SI/PSI FILTERS OF 16 BYTES

.VECTORED INTERRUPTS - 8 PRIORITIZED LEVELS

.DMA ENGINES/INTERFACES

- 2 UARTS, 1 I2C CONTROLLER, 3 PWM OUTPUTS, 3 TIMERS, 3 CAPTURE TIMERS

- 24 BITS OF PIO SHARED WITH SERIAL INTERFACES

- OS LINK INTERFACE

- BLOCK MOVE DMA, 2 MPEG DMAS

- TELETEXT INTERFACE

.PROFESSIONAL TOOLSET SUPPORT

- ANSI C COMPILER AND LIBRARIES

- INQUEST ADVANCED DEBUGGING TOOLS

.NON-INTRUSIVE DEBUG CONTROLLER

- HARDWARE BREAKPOINTS

- REAL TIME TRACE

.208 PIN PQFP PACKAGE