Espressif ESP32 Technical Reference Manual page 721

31 Low-Power Management (RTC_CNTL)
31 30 29 28 27 25
1 0 1 0 4
RTC_CNTL_VREG_FORCE_PU RTC voltage regulator - force power up. (R/W)
RTC_CNTL_VREG_FORCE_PD RTC voltage regulator - force power down (in this case power down
means decreasing the voltage to 0.8V or lower). (R/W)
RTC_CNTL_DBOOST_FORCE_PU RTC_DBOOST force power up. (R/W)
RTC_CNTL_DBOOST_FORCE_PD RTC_DBOOST force power down. (R/W)
RTC_CNTL_DBIAS_WAK RTC_DBIAS during wake-up. (R/W)
RTC_CNTL_DBIAS_SLP RTC_DBIAS during sleep. (R/W)
RTC_CNTL_SCK_DCAP Used to adjust the frequency of RTC slow clock. (R/W)
RTC_CNTL_DIG_VREG_DBIAS_WAK Digital voltage regulator DBIAS during wake-up. (R/W)
RTC_CNTL_DIG_VREG_DBIAS_SLP Digital voltage regulator DBIAS during sleep. (R/W)
Espressif Systems
Register 31.26. RTC_CNTL_VREG_REG (0x007C)
24 22 21
4 0
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14 13 11 10 8
4 4
721
7 0
0 0 0 0 0 0 0 0
ESP32 TRM (Version 5.2)
Reset