Currently, the 64-bit platform (processor and operating system) supports 8 GB to 1 TB of RAM, whereas the 32-bit operating system supports only up to 4 GB as indicated in the bullet below.

目前，64位平台上(处理器和操作系统)支持8gb到1tb的内存，而32位的操作系统，正如下列表所显示，最高仅能支持到4gb。

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In the paper, it induces the principle of how to choose types of embedded system hardware platform, and mainly compare and analyze different types of ARM processor. It gives example to test.

本文主要介绍嵌入式系统硬件平台的选型原则，并着重对ARM处理器的选型进行分析与比较，同时给出实例进行验证。

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At first, the processor and the SW development platform are systematically reviewed from the viewpoint of embedded system.

本文首先从嵌入式系统的角度对系统所使用的处理器和软件开发平台进行了系统的介绍。

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