luminary-lm3s系列单片机资源，用于cortex-m3核 的单片机选。单板方案设计人员非常有用。开发简洁，周期短，底层有保证。-luminary-lm3s Series MCU resources for cortex-m3-core microcontroller selection. Single board design staff very helpful. Development of simple, short period, the bottom is guarantee