### ACS_WAKEUP_STATE

Bit Field | Read/Write | Field Name | Description
--- | --- | --- | ---
19:16 | R | WAKEUP_SRC | Status register indicates the last wake-up source
7:0 | R | RTC_VALUE | RTC counter value captured at wakeup event (only 8 LSBs, corresponds to 7.8 ms)

Bit Field | Field Name | Value Symbol | Value Description | Hex Value
--- | --- | --- | --- | ---
19:16 | WAKEUP_SRC | WAKEUP_DUE_TO_RTC_OVERFLOW | The last wake-up was due to the RTC Timer overflow | 0xB
|  | WAKEUP_DUE_TO_RTC_CLOCK | The last wake-up was due to the RTC Timer clock | 0xA
|  | WAKEUP_DUE_TO_RTC_ALARM | The last wake-up was due to the RTC Timer alarm | 0x9
|  | WAKEUP_DUE_TO_THRESHOLD | The last wake-up was due to the ULP data acquisition subsystem threshold | 0x8
|  | WAKEUP_DUE_TO_FIFO | The last wake-up was due to the ULP data acquisition subsystem FIFO | 0x7
|  | WAKEUP_DUE_TO_ACOMP | The last wake-up was due to the Analog comparator | 0x6
|  | WAKEUP_DUE_TO_DCDC_OVERLOAD | The last wake-up was due to the DCDC overload | 0x5
|  | WAKEUP_DUE_TO_BB_TIMER | The last wake-up was due to the baseband timer alarm | 0x4
|  | WAKEUP_DUE_TO_GPIO3 | The last wake-up was due to the GPIO3 pad | 0x3
|  | WAKEUP_DUE_TO_GPIO2 | The last wake-up was due to the GPIO2 pad | 0x2
|  | WAKEUP_DUE_TO_GPIO1 | The last wake-up was due to the GPIO1 pad | 0x1
|  | WAKEUP_DUE_TO_GPIO0 | The last wake-up was due to the GPIO0 pad | 0x0*