Datasheet

RL78/L12 CHAPTER 7 REAL-TIME CLOCK
R01UH0330EJ0200 Rev.2.00 288
Dec 13, 2013
mode when the subsystem clock is used, by setting the RTCLPC bit of the
subsystem clock supply mode control register (OSMC) to 1. In this case, set the
RTCEN bit of the PER0 register to 1 and the other bits (bits 0 to 6) to 0.
3. Be sure to clear the bits 1, 3, and 6 to 0.