本章介绍一系统芯片的整合平台，此平台架构主要建立在AMBA的总线协议上。AMBA协议是ARM 公司发表的总线标准，本章主要介绍 AMBA的 AHB协议。AHB总线与一般总线（circuit switching bus）的不同地方，在于支持分割传送。分割传送的机制比一般总线的传送机制还要复杂，将是本章介绍重点。-The product described in this document is subject to continuous developments and improvements. All

particulars of the product and its use contained in this document are given by ARM Limited in good faith.

However, all warranties implied or expressed, including but not limited to implied warranties or

merchantability, or fitness for purpose, are excluded.