本文介绍了ARM体系结构版本和内核。ARM体系结构从最初开发到现在有了很大的改进，并仍在完善和发展。为了清楚的表达每个ARM应用实例所使用的指令集，ARM公司定义了7种主要的ARM指令集体系结构版本(Instruction Set Architectures (ISAs) ，以版本号V1～V7表示。

-This article describes the ARM architecture and kernel version. ARM architecture, from initial development to the present has been greatly improved, and continues to perfect and develop. In order to clearly express each application examples used by the ARM instruction set, ARM Company defines seven kinds of the major versions of ARM instruction set architecture (Instruction Set Architectures (ISAs), with the version number V1 ~ V7 said.