讲解ARM如何入门，学习ARM的方法，即不要死扣书本，应该下载程序运行，先跑起来，然后再慢慢查资料学习。适合ARM初学入门者，具有指导意义，少走弯路。-Explain how the entry ARM, ARM-learning method, which do not Sikou books, should download the program to run, Xianpao up, and then gradually learn to find information. ARM beginners for beginners, with guidance and avoid detours.