stc系列的单片机SCM跟at的不同，其中一个特点是具有掉电不可刷的flashh，这个源码虽然短小，但是告诉你怎样使用内部的flash，小而实用 可直接使用。

-stc series SCM SCM with at the one of them is characterized by a power-down can not brush the flashh, although this source is short, but to tell you how to use the internal flash, and practical can be used directly.