STM32L151/152系列最低功耗400nA标准库工程
本人新做项目需要超低功耗。之前被STM8L151坑的太惨，MSP430F149又太贵，看网上对STM32L151/152评价很高，加之本人已用过ST多款32位单片机，对ST的标准库和LL库情有独钟，所以果断选择STM32L151C8T6/-A。
管脚上STM32L151和STM32F103一致，STM32L1xx标准库和STM32F103的标准库也非常相似，和F4也很相似。因为之前使用F103和407很多，MSP430和STM8L也用过，所以很轻松的画完了原理图和PCB，又下载了最新的标准库并创建了工程，三五天码完代码并测试完所有逻辑。就差最后一步低功耗了。
然后参照着标准库里面的STOP进入了STOP模式，电流很大，然后就是各种某度找资料，最终试出来了。在这里要吐槽一下发帖求助搞定之后从来不结帖的人，很多帖子发完问题，末了来一句已解决就消失的无影无踪，也不说怎么解决的，太自私了。
焊接单片机、阻容复位和32.768K晶振（不要并1M电阻），不开其它外设，功耗410nA。工程见附件。
内部高速晶振做主时钟，锁相环倍频到32M很准，不用PWM的话完全不需要外部8M晶振，进
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style='color:#111;'> 6.29KB </span>","children":null,"spread":false},{"title":"stm32l1xx_i2c.h <span style='color:#111;'> 30.92KB </span>","children":null,"spread":false},{"title":"stm32l1xx_comp.h <span style='color:#111;'> 6.90KB </span>","children":null,"spread":false},{"title":"stm32l1xx_exti.h <span style='color:#111;'> 8.52KB </span>","children":null,"spread":false}],"spread":false},{"title":"src","children":[{"title":"stm32l1xx_syscfg.c <span style='color:#111;'> 21.69KB </span>","children":null,"spread":false},{"title":"stm32l1xx_gpio.c <span style='color:#111;'> 20.26KB </span>","children":null,"spread":false},{"title":"stm32l1xx_iwdg.c <span style='color:#111;'> 9.07KB </span>","children":null,"spread":false},{"title":"stm32l1xx_i2c.c <span style='color:#111;'> 49.43KB </span>","children":null,"spread":false},{"title":"stm32l1xx_aes.c <span style='color:#111;'> 20.25KB </span>","children":null,"spread":false},{"title":"stm32l1xx_opamp.c <span style='color:#111;'> 19.76KB 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