關(guān)鍵詞： BeagleBoard , OMAP3530 , TI , 多媒體 , 嵌入式

TI公司的OMAP3530是高性能多媒體應(yīng)用處理器,采用增強的OMAP3架構(gòu)和65nm工藝,具有高達720-MHz ARM Cortex™-A8內(nèi)核和TMS320C64x+™ DSP核,支持Windows CE,Linux, QNX, Symbian和其它操作系統(tǒng),主要應(yīng)用在手提導(dǎo)航設(shè)備(PND),手持媒體播放器(PMP),數(shù)字電視(DTV),數(shù)字視頻照相機,POS機,游戲,上網(wǎng)本,智能白色家電等.本文介紹了OMAP3530主要特性和方框圖,以及OMAP3530 BeagleBoard板主要特性,應(yīng)用案例,詳細電路圖,材料清單以及PCB布局圖.

The OMAP3530 high-performance, multimedia application device is based on the enhanced OMAP™ 3 architecture and is integrated on TI’s advanced 65-nm process technology. The OMAP3530 architecture is configured with different sets of features in different tier devices. Some features are not available in the lower-tier devices. For more information, refer to the OMAP3530 Technical Reference Manual (TRM).The architecture is designed to provide best-in-class video, image, and graphics processing sufficient to various applications.

The OMAP3530 supports high-level operating systems (OSs), such as:

o Windows CE

o Linux

o QNX

o Symbian

o Others

This OMAP3530 device includes state-of-the-art power-management techniques required for high-performance low power products. The OMAP3530 supports the following functions and interfaces on the BeagleBoard:

o Microprocessor unit (MPU) subsystem based on the ARM Cortex-A8™ microprocessor

o POP Memory interface

o 2Gb MDDR (256Mbytes)

o 2Gb NAND Flash (256Mbytes)

o 24 Bit RGB Display interface (DSS)

o SD/MMC interface

o USB OTG interface

o NTSC/PAL/S-Video output

o Power management

o Serial interface

o I2C interface

o I2S Audio interface (McBSP2)

o Expansion McBSP1

o JTAG debugging interface

Applications:

– Portable Navigation Devices

– Portable Media Player

– Advanced Portable Consumer Electronics

– Digital TV

– Digital Video Camera

– Portable Data Collection

– Point-of-Sale Devices

– Gaming

– Web Tablet

– Smart White Goods

– Smart Home Controllers (Bottom)

– Ultra Mobile Devices

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圖1.OMAP3530方框圖

The BeagleBoard is an OMAP3530 platform designed specifically to address the Open Source Community. It has been equipped with a minimum set of features to allow the user to experience the power of the OMAP3530 and is not intended as a full development platform as many of the features and interfaces supplied by the OMAP3530 are not accessible from the BeagleBoard. By utilizing standard interfaces, the BeagleBoard is highly extensible to add many features and interfaces. It is not intended for use in end products. All of the design information is freely available and can be used as the basis for a product. BeagleBoards will not be sold for use in any product as this hampers the ability to get the boards to as many community members as possible and to grow the community.

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圖2.OMAP3530 BeagleBoard板外形圖

BeagleBoard主要特性:

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