Datasheet > BCM3252

BCM3252

更新时间： 2022-05-21 12:48:02

品牌	Logo	应用领域
博通 - BOARDCOM		/
页数	文件大小	规格书
2页	286K
描述
DUAL-CHANNEL FRONT-END DOCSIS 2.0 STB IC WITH CHANNEL BONDING

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BCM3252 数据手册

BCM3252

Brief

DUAL-CHANNEL FRONT-END DOCSIS 2.0+ STB IC WITH

CHANNEL BONDING

S U M M A R Y O F B E N E F I T S

F E A T U R E S

Dual QAM in-band demodulators

The BCM3252 provides a complete front-end solution for next-

generation set-top box products. North America and

international markets enable a single design to be deployed on

a worldwide basis.

•

Out-of-band (OOB) demodulator for support of DVS-178 and

DVS-167

800DMIPS dual-threaded R4K MIPS processor

•

Able to support IP video data rates at up to 80 Mbps, allowing

for future transition to an all IP network.

•

DOCSIS /EuroDOCSIS™ 2.0+ including DSG and channel

bonding

Software switchable from broadcast (video channel

configuration) to channel bonding, enabling in field-network

configuration transitions.

DOCSIS and channel bonding code supplied by Broadcom

•

DAVIC MAC

High-performance processor capable of supporting DOCSIS/

EuroDOCSIS 2.0+, channel bonding, and other network-

centric applications.

•

USB 2.0 MAC and PHY (full data rate USB supported)

PCI

Boot from unified back-end Flash (i.e., Flash connected to

BCM7038, BCM7400, BCM7401, or BCM7402)

OOB provides support for existing OOB channels that are

used today. Facilitates move to DSG and DOCSIS.

•

Ethernet MAC and PHY

•

USB 2.0, PCI, and Ethernet make for flexibility in connection

to back-end devices, BCM7038, BCM7400, BCM7401, and

BCM7402.

BOM savings include integrated regulators, VCX0, and

upstream amplifier

BOM savings resulting from integration enable lower overall

set-top box cost.

•

IPv6 supported

•

Broadcom-supplied code for channel bonding and DOCSIS

enables quick time-to-market.

Basic Interactive DOCSIS 2.0+/DSG HD Set-Top Box Block Diagram

Stereo Audio Out

YPbPr Out

S/PDIF Out

Video Out

Dual

USB 2.0

Opt.

Firewire

Cable

RF Out

HDMI Out

Power

Audio

Out

HDMI/DVI

Out

S/PDIF

Out

NTSC/

Video

Comp.

Video

Mode

DDR

SDRAM

8 MB

Diplexer

(Opt.)

1394

MAC/PHY

USB 2.0

DDR

SDRAM

200 MHz

256 MB

x64

MII

Optional

BCM3420

TS In

PCI

BCM7402

HD AVC

VC-1

Sec. up/CA

BCM3252

DOCSIS^®2.0+

800DMIPS

MOCA

HomePlug AV

IEEE 802.11g,n

Flash

32Mx8

IR & UHF I/F

OpenCable^™

CableCARD^™

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