Broadcom 公司的BCM7440時藍光（Blu-ray）和HD DVD播放器集成在一起的片上系統(tǒng)（SoC）。它集成了兩個MIPS執(zhí)行單元，雙流視頻譯碼器，專用的圖像引擎，7.1音頻功能，安全處理器，硬件靜止圖像譯碼器，兩個DDR2接口，視頻和音頻輸出以及全系統(tǒng)和連接接口。而BCM97440參考設計包括系統(tǒng)參考設計，完整的軟件堆棧，滿足Blu-ray, HD DVD和通用播放器的所有規(guī)范。本文介紹BCM7440的主要性能以及參考設計BCM97440的主要特性和優(yōu)勢，以及參考設計方框圖。

BCM7440SoC Solution for Blu-ray™, HD DVD™ and Universal HD DVD Players

The BCM7440 SoC is a Blu-ray and HD DVD player on one chip. Its high-performance design integrates dual MIPS execution units, dual-stream video decoders, dedicated graphics engines, 7.1 audio capability, security processor, a hardware still image decoder, dual DDR2 interfaces, video and audio outputs, and a full array of system and connectivity interfaces.

The BCM7440 is supported with a complete reference design, the BCM97440, and a software stack that includes support for Blu-ray (Profile 1.0 and 2.0) and HD DVD HDi™ and Navigator. Choosing a solution that is based on field-proven technology already shipping in existing platforms from leading OEMs will ensure full Blu-ray/HD DVD compatibility.

BCM7440主要特性：

Single-chip HD SoC solution supports Blu-ray, HD DVD and universal high definition players
Robust and proven universal optical disc (UOD) software stack reduces development risks and supports all Blu-ray and HD DVD profiles
Next generation audio processor with support for multi channel, high bit rate codecs, mixing, and re-encoding capabilities
Fully integrated SoC enables lowest cost implementation

BCM97440：High Definition Optical Disc Player Reference Design
Broadcom is offering qualified OEMs and ODMs a complete turn-key reference design based on the BCM7440 single-chip solution for high definition optical disc players. The BCM97440 package includes a system reference design, a complete software stack and meets all Blu-ray, HD DVD, and universal player requirements.

Full-featured, cost-effective turn-key reference design enables fast time to market for high definition player manufacturers
Small form-factor PCB design (6 x 6, 4-layer) and HDMI 1.3 1080p60 output with HBR audio support
Includes a system reference design and a complete software stack for Blu-ray, HD DVD, and universal players
Based on the Broadcom BCM7440 SoC, the industrys first single-chip solution that fully supports the demanding requirements of both Blu-ray and HD DVD standards
Broadcom is offering qualified OEMs and ODMs a complete turn-key reference design based on the BCM7440 single-chip solution for high definition optical disc players. The BCM97440 package includes a system reference design, a complete software stack and meets all Blu-ray, HD DVD, and universal player requirements.

BCM97440 features include:
BD and HD DVD high definition playback support
DVD, SVCD, VCD, CDDA, DVD-VR, DTS-CD playback support
Integrated MP3/WMA player and JPEG viewer
Integrated BD-J stacks from for Blu-ray applications
Integrated HDi stack for HD DVD applications
Leverages a proven system software stack (shipping inside the LG BH200 and Samsung BD-UP5000 universal dual-format high definition solutions)
Customizable splash screen, OSD, remote control, language support, and production shortcuts

主要特性：
Cost-effective design uses minimal components and low-cost memory
Small form-factor PCB design (6 x 6, 4-layer)
Support for SATA or IDE optical drive unit
Flexible memory size
Single NAND device for boot code and local storage
HDMI 1.3 1080p60 output with HBR audio support
HD component and SD baseband video outputs
Audio outputs: S/PDIF and stereo analog outputs; optional 7.1 analog output support
10/100 Base-T Ethernet
USB 2.0 port
Front panel and IR remote control I/O and reference PCB

主要優(yōu)勢：
Full-featured, cost-effective turn-key reference design enables fast time to market for high definition player manufacturers.

Based on the Broadcom BCM7440 SoC, the only single-chip solution currently available that fully supports the demanding requirements of both Blu-ray and HD DVD standards.

Includes a system reference design and a complete software stack for Blu-ray, HD DVD, and universal players.

Schematics, Gerber files, BOM, and sample reference player software stack all provided.

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圖1。BCM97440 HD DVD播放器參考板外形圖

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圖2。BCM97440參考設計方框圖