User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 81 of 909 2019 Ambiq Micro, Inc.
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Table 12: DEVPWREN Register Bits
Bit Name Reset RW Description
31:14 RSVD 0x0 RO
RESERVED.
13 PWRBLEL 0x0 RW
Power up BLE controller
EN = 0x1 - Power up BLE controller
DIS = 0x0 - Power down BLE controller
12 PWRPDM 0x0 RW
Power up PDM block
EN = 0x1 - Power up PDM
DIS = 0x0 - Power down PDM
11 PWRMSPI 0x0 RW
Power up MSPI Controller
EN = 0x1 - Power up MSPI
DIS = 0x0 - Power down MSPI
10 PWRSCARD 0x0 RW
Power up SCARD Controller
EN = 0x1 - Power up SCARD
DIS = 0x0 - Power down SCARD
9PWRADC 0x0RW
Power up ADC Digital Controller
EN = 0x1 - Power up ADC
DIS = 0x0 - Power Down ADC
8 PWRUART1 0x0 RW
Power up UART Controller 1
EN = 0x1 - Power up UART 1
DIS = 0x0 - Power down UART 1
7 PWRUART0 0x0 RW
Power up UART Controller 0
EN = 0x1 - Power up UART 0
DIS = 0x0 - Power down UART 0
6PWRIOM5 0x0RW
Power up IO Master 5
EN = 0x1 - Power up IO Master 5
DIS = 0x0 - Power down IO Master 5
5PWRIOM4 0x0RW
Power up IO Master 4
EN = 0x1 - Power up IO Master 4
DIS = 0x0 - Power down IO Master 4
4PWRIOM3 0x0RW
Power up IO Master 3
EN = 0x1 - Power up IO Master 3
DIS = 0x0 - Power down IO Master 3
3PWRIOM2 0x0RW
Power up IO Master 2
EN = 0x1 - Power up IO Master 2
DIS = 0x0 - Power down IO Master 2
2PWRIOM1 0x0RW
Power up IO Master 1
EN = 0x1 - Power up IO Master 1
DIS = 0x0 - Power down IO Master 1