BYPASS=dis, IBIAS_SEL=2x, SQW_32K=dis
RTC Oscillator Control Register.
| FILTER_EN | Enable Filter. |
| IBIAS_SEL | IBIAS Select. 0 (2x): 2x 1 (4x): 4x |
| HYST_EN | RTC Hysteresis Enable. |
| IBIAS_EN | RTC IBIAS Enable. |
| BYPASS | RTC Crystal Bypass 0 (dis): Disable. 1 (en): Enable. |
| SQW_32K | RTC 32kHz Square Wave Output 0 (dis): Disable. 1 (en): Enable. |