Check RTC LSE(External Xtal, 32.768kHz) mode
Please refer follow links.
My notebook
http://developer.mbed.org/users/kenjiArai/notebook/nucleo-series-clock-structure-and-xtal-oscillation/
Q&A for RTC Xtal
http://developer.mbed.org/questions/4531/RTC-External-Crystal-Nucleo/
Revisions of CheckRTC.lib
Revision | Date | Message | Actions |
---|---|---|---|
3:921a09e41147 | 2014-11-01 | Select two functions 1) Check start-up time, 2) Set RTC time and date | File Diff Annotate |
2:8b6a8cfa173a | 2014-11-01 | Checking program for RTC module inside CPU. Only for Nucleo board such as L152RE, F401RE and F411. | File Diff Annotate |