Data Brief

For further information contact your local STMicroelectronics sales office.

December 2006

Rev 2

1/9

9

STi7100

Low cost HDTV set-top box decoder for H.264/AVC and MPEG-2

Features

STB decoder including:

– ST40 CPU core, 266 MHz

– dual ST231 CPU cores for audio and video

decoding, both 400 MHz

– transport filtering and descrambling

– video decoder: H.264/AVC and MPEG-2

– graphics engine and dual display:

high-definition (HD) and

standard definition (SD)

– audio decoder

embedded interfaces:

–USB 2.0

– DVI/HDMI output

– digital audio and video auxiliary input

– modem

– serial ATA

32

CP

ST40 core 266 MHz

UDI

16 K Icache

MMU

Int. control

32 K Dcache

LMI

Digital

video input

LMU

S/PDIF

2-ch

PCM in

SD

video in

TMDS main video

DENC

EMI

3x

SSCs

4x

UARTs

ILC

2x I/F

SmCard

6x GPIO

PWM

MAFE

interface

IR

Tx/Rx

STBus

Main video

display

FDMA

AudioL

TSmerger/router

Display

compositor

2D gamma

blitter

DACs

DVI-HDCP

HDMI

Output stage

Main video

output (HD)

YPbPr

Aux video

output (SD)

YC/CVBS

USB

AudioR

PDES

Clock

generator

5 x 2-ch

PCM out

Peripheral I/O

and external interrupts

Flash

peripherals

TSIN0

NRSS-A

TSIN1

TS I/O

and system

services

DACs

CUR

Aux video

display

Audio decoder

and interfaces

Audio

DACs

PTI

output (HD)

Video decoder

H.264/AVC,

MPEG2

2.0

Serial

ATA

interface

LMI

32

SDRAM

DDR

Video

System

ST231

core

ST231

core

DiSEqC

DAA

GDP

GDP

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