CLKSEL=ERTCO
Control Register
CLKSEL | Clcok Select for the RTC, System, WUT, and Timer. 0 (ERTCO): ERTCO as clock source. 1 (INRO_DIV4): INRO as clock source. 2 (RTC_IN_DIV8): P0.12 div 8 as clock source. |
ERTCO32K_EN | Enable the 32KHz ERTCO. |
ERTCO_EN | Enable the ERTCO. |