configure rtc power
| FASTMEM_FORCE_NOISO | Fast RTC memory force no ISO |
| FASTMEM_FORCE_ISO | Fast RTC memory force ISO |
| SLOWMEM_FORCE_NOISO | RTC memory force no ISO |
| SLOWMEM_FORCE_ISO | RTC memory force ISO |
| FORCE_ISO | rtc_peri force ISO |
| FORCE_NOISO | rtc_peri force no ISO |
| FASTMEM_FOLW_CPU | 1: Fast RTC memory PD following CPU, 0: fast RTC memory PD following RTC state machine |
| FASTMEM_FORCE_LPD | Fast RTC memory force PD |
| FASTMEM_FORCE_LPU | Fast RTC memory force no PD |
| SLOWMEM_FOLW_CPU | 1: RTC memory PD following CPU, 0: RTC memory PD following RTC state machine |
| SLOWMEM_FORCE_LPD | RTC memory force PD |
| SLOWMEM_FORCE_LPU | RTC memory force no PD |
| FORCE_PD | rtc_peri force power down |
| FORCE_PU | rtc_peri force power up |
| PD_EN | enable power down rtc_peri in sleep |
| PAD_FORCE_HOLD | rtc pad force hold |