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MSP-EXP430FR6989 进入 __bis_SR_register(LPM3_bits | GIE);低功耗 电流是3uA 没达到0.4uA怎么办
IO口配置了没？
不用的IO口设置为输出高 或 低。
P1OUT = 0; P1DIR = 0xFF;
P2OUT = 0; P2DIR = 0xFF;
P3OUT = 0; P3DIR = 0xFF;
P4OUT = 0; P4DIR = 0xFF;
P5OUT = 0; P5DIR = 0xFF;
P6OUT = 0; P6DIR = 0xFF;
P7OUT = 0; P7DIR = 0xFF;
P8OUT = 0; P8DIR = 0xFF;
P9OUT = 0; P9DIR = 0xFF;
P10OUT = 0; P10DIR = 0xFF;
PJOUT = 0; PJDIR = 0xFFFF; 设置了
