ACS_PWR_CTRL

Bit Field

Read/Write

Field Name

Description

27

RW

SENSOR_PWR_EN

Sensor power control

26

RW

SENSOR_ISOLATE

Sensor isolation control

25

RW

CCAO_PWR_EN

CryptoCell always on power control

24

RW

CCAO_ISOLATE

CryptoCell always on isolation control

23:0

W

POWER_KEY

Write a key to enable the write to power controls

Bit Field

Field Name

Value Symbol

Value Description

Hex Value

27

SENSOR_PWR_EN

ACS_SENSOR_SHUTDOWN

Sensor is powered off

0x0

ACS_SENSOR_POWERED

Sensor is powered on

0x1*

26

SENSOR_ISOLATE

ACS_SENSOR_NOT_ISOLATE

Sensor is not isolate

0x0*

ACS_SENSOR_ISOLATE

Sensor is isolate

0x1

25

CCAO_PWR_EN

ACS_CCAO_SHUTDOWN

CryptoCell Always on is powered off

0x0

ACS_CCAO_POWERED

CryptoCell Always on is powered on

0x1*

24

CCAO_ISOLATE

ACS_CCAO_NOT_ISOLATE

CryptoCell Always on is not isolate

0x0*

ACS_CCAO_ISOLATE

CryptoCell Always on is isolate

0x1

23:0

POWER_KEY

ACS_PWR_KEY

Write 24-bit key to enable the write access to power controls

0x63412B