Check RTC LSE(External Xtal, 32.768kHz) mode

Dependencies:   mbed CheckRTC

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/

Committer:
bcostm
Date:
Fri Feb 21 10:00:46 2014 +0000
Revision:
0:bad75bd13618
Child:
1:eaa3c3f36c03
Initial version.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bcostm 0:bad75bd13618 1 http://mbed.org/users/mbed_official/code/mbed/builds/ed8466a608b4