Configures the sleep / reject / wakeup state
| SW_CPU_INT | Sends a SW RTC interrupt to CPU. |
| SLP_REJECT_CAUSE_CLR | Clears the RTC reject-to-sleep cause. |
| APB2RTC_BRIDGE_SEL | 1: APB to RTC using bridge 0: APB to RTC using sync |
| SDIO_ACTIVE_IND | Indicates the SDIO is active. |
| SLP_WAKEUP | Sleep wakeup bit. |
| SLP_REJECT | Sleep reject bit. |
| SLEEP_EN | Sends the chip to sleep. |