OSC and ICS specifications”表格，确定一下“Internal reference clock frequency,factory trimmed,”这个...
HSI16andMSIarefactorytrimmedandusertrimmable HSI48canbetrimmedthroughUSB(SOF)orLSE MSI,HSIorHSI/4feedsSystemclockafterexitfromSTOP LSIfeedsIWDGandoptionallytheRTCforAutoWake-Up(AWU)fromSTOP/STANDBYmode Theclockusedforbaudrate/communicationfrequencyforUSARTandI2Cist from...