???MCU-RTC PC13 ?????????????LSE????
RTC PC13 ?????????????LSE ??????????
??RTC ???LSE ????????????PC13 ??????????????????????????(?????)?? ?????и???????LSE ???????LSE ????????????????????RTC ??
??????????? ?????????????????????????????????
//???磬
??RTC calibration ????64 ??????512Hz ??????????????????????520Hz ?????????1.5%??
??RTC calibration ???1Hz ????????? ?????1/32768 = 30.5ppm?????????????Calibration ?????У? ???????? LSE ????????????
?????Calibration ?????
?????????
(??????????) :
??PC13 ???VBAT ????????>=103(0.01uF)?????. ???????????????.
??????????????MCU???????????????????????????????????????????????
??????????У???????????????????о?HK32F030M????SWD????GPIO??
????zzy ?????????2022-05-16
