BCM7452 Просмотр технического описания (PDF) - Broadcom Corporation

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BCM7452

AVC/MPEG-2/VC-1 HD DECODE/SD DISPLAY SYSTEM-ON-A-CHIP SOLUTION FOR SATELLITE, IP,CABLE, AND WATCH-AND-RECORD DVR

Broadcom Corporation 

BCM7452

®

AVC/MPEG-2/VC-1 HD DECODE/SD DISPLAY SYSTEM-ON-A-CHIP SOLUTION FOR SATELLITE, IP,

CABLE, AND WATCH-AND-RECORD DVR

FEATURES

FEATURES (CONT.)

• Advanced HD AVC/MPEG-2/VC-1 decoder

• H.264/AVC main and high profile to level 4.1

• VC-1 simple, main, and advanced profile @ level 3

• MPEG4 Part 2, DivX® 3.11, 4.x, 5.x

• HD MPEG-2 and SD MPEG-2

• MPEG still-picture decode

• Advanced audio processor supporting the following:

• AAC LC, AAC LC+SBR level 2, AAC+ level 2

• Dolby® Digital, Dolby Digital Plus

• MPEG I layers 1, 2, and 3 (MP3)

• Windows Media® audio

• One pair of on-chip stereo high-fidelity audio DACs

• 3D SRS audio support

• One I2S input port and one I2S output port

• SPDIF output

• Advanced 2D-effects graphic engine

• Studio quality text and graphics at HD resolution

• Supports multiple layers and windows

• Digital noise reduction (DNR)

• Reduces MPEG artifacts including block noise reduction

• Reduces mosquito noise

• Motion-adaptive deinterlacer with reverse 3:2/2:2 pulldown

• Letterbox detection

• Multiple simultaneous, independent DVR channels

• OpenCable™ ready with on-chip MPOD support

• 300-MHz MIPS32®/16e class processor

• 64-bit DDR DRAM controller

• 32-bit for SD AVC/VC-1 decode

• SD analog video encoder

• NTSC-M, NTSC-J, PAL-BDGHIN, PAL-M, PAL-Nc analog

outputs

• 480i/480p/576i/576p output formats

• Component RGB or YPrPb output

• Macrovision® 7.1 support

• SCART 1 and 2

• Component, S-Video, and composite via six on-chip V-DACs

• VBI encoders for CC/TTX with NABTS/CGMSA/WSS/Gemstar®

standards and dedicated TTX sideband

• ITU-R-656 input and output ports

• HDMI 1.1/DVI 1.0 MAC and PHY with HDCP 1.1

• Broadcom security processor

• AES/1DES/3DES/CSS/CPRM/DTCP copy protection

• MPEG-2/DIRECTV/DVB/ARIB data transport demux with

1DES/3DES/DVB/Multi2/AES descramblers

• V.92-capable soft modem with integrated SiLab Si305x system

side device

• 3.3V 33-MHz PCI 2.2

• Dual USB 2.0 host controller with dual-port transceiver

• Additional independent USB 1.1 host controller

• Ethernet MAC and PHY

• Dual smart card support

AVC/MPEG-2/VC-1 Platform Example

STEREO AUDIO OUT

S/PDIF OUT VIDEO OUT YPbPr OUT

HDMI OUT

Dual

USB 2.0

10/100

Ethernet

Power

Cable IN

Audio

Out

HDMI/DVI

Out

S/PDIF

Out

NTSC

PAL

Video

Comp.

Video

RF

Mod

DDR1 x32/64

64/128 MB

Front Panel I/F

BCM7452

450 DMIPS

MPEG-2 HD/SD

AVC, VC-1

USB 2.0

Ethernet

TS In

8/16 MB

Flash

IR I/F

BCM3510

QAM/VSB

Demod

BCM3420

OpenCable™

CableCARD™

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