原名叫44B0全新版BOOTLOADER分析，又是某个热心人的学习笔记，但解释的比较细致。适合懒人看。-The new version of the original named 44B0 BootLoader analysis, it is an enthusiastic person to learn notes, but explained in detail. Look for the lazy.

44B0 bootloader分析 适合初学者-44B0 bootloader analysis suitable for beginners