STI7141 datasheet(1/6 Pages) STMICROELECTRONICS

部件名	STI7141

功能描述	HD decoder for interactive digital cable set-top box

PDF	6 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Data Brief

For further information contact your local STMicroelectronics sales office.

September 2008

Rev1

1/6

6

STi7141

HD decoder for interactive digital cable set-top box

Features

■ Three integrated cable receiver / demodulators

■ DOCSIS/EuroDOCSIS 2.0 cable modem with

support for DOCSIS 3.0 down-stream channel-

bonding

■ SCTE-55 part 1 and 2 physical layer support for

CableCARDTM

■ Dual Core architecture providing more than

1600 DMIPS of processing performance

■ Linux®, Windows® CE and OS21 compatible

■ Firmware based multi-standard HD video

decoder for:

– H.264 / MPEG-4 AVC HP@L4

–MPEG-2 MP@HL

–SMPTE VC-1 AP@L3

■ Firmware based multi-standard audio processor

for:

– MPEG-1 I/II/III (MP3), MPEG-2 ACC (AAC-

LC)

– MPEG-4 HE AAC (aacPlus)

– Dolby® Digital (AC-3), Dolby® Digital Plus

■ Firmware based PTI (programmable transport

stream processor)

■ DVR support, and trick play modes

■ Dual display HD and SD

■ 2D blitter graphics with extention to pseudo 3D

and video mosaic support

■ Multi-level layered security

■ Interfaces include: USB, Ethernet, HDMITM,

eSATA.

Description

The STi7141 is a highly integrated SoC (system-

on-chip) designed to meet the demanding needs of

the interactive cable set top box market place. The

STi7141 integrates all the major system functions

into a single device, and provides world leading,

multi-layer, advanced security technologies to

protect valuable video and audio assets.

LMI

DEI

S/PDIF

2-ch

PCM In

Digital

Video In

DENC

7x

SSC/I2C

3x

UARTs

ILC

2 x I/F

SmCard

GPIOs

PWM

IR Tx/Rx

UHF Rx

STBus

Main video

display

Main/Aux

COMPOSITOR

Analog Video

Output

TMDS

USB

Clock Gen

and

8-ch

PCM Out

STB peripherals

and external interrupts

System

Services

Aux video

display

Audio Decoder

Interfaces

Audio

DACs

1.1

eSATA

Interface

16

SDRAM

DDR2

ST231

2x

MAC

GMII / MII

EMPI

Digital Video Output

USB

2.0

3x

FDMA

Out

Resets /

Clocks /

Modes

Serial ATA

HDD, int/ext

DVP

(HD/SD)

PCI

DVO

HDMI

VTG0

Protected JTAG

Players and

Comms

SPI

Serial

FLASH

EMI/MPX/PCI

HD

Ethernet

ST40-300

Mailboxes

64K SRAM

Dual Core

QAM/

FEC

QAM/

FEC

QAM/

FEC

EMI

DOCSIS 2.0+ MAC

DSMA

USMA

TSMerger

Display

VTG1

Router and

Formatter

Cursor

3xGDP

PTI

MCARD

6DACs

Interface

PTI

RC

Blitter

USB

1.1

USB

2.0

USB

Analog

Audio

Video Decoder

Digitized Cable Channels

www.st.com

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