msp430学习资料，其中包含原理图及重要注释，也有配套的源码说明.低功耗模式3-msp430 learning materials, including schematics and important notes, also have matching source descr iption.Lmp3

msp430进入LMP3休眠模式，每4秒点亮LED灯-his program operates MSP430 normally in LPM3, pulsing P3.4 at 4 second intervals. WDT ISR used to wake-up system. All I/O configured as low outputs to eliminate floating inputs. Current c