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ACT8846
(Rev.:2013)

Advanced PMU for Multi-core Application Processors

Active-Semi, Inc 

ACT8846

Rev 1, 15-May-13

REGISTER AND BIT DESCRIPTIONS CONT’D

BLOCK ADDRESS BIT

REG3 0x31 [7:6]

REG3 0x31 [5:0]

REG3

REG3

REG3

0x32 [7]

0x32 [6:3]

0x32 [2]

REG3

REG3

REG4

REG4

REG4

REG4

0x32 [1]

0x32 [0]

0x40 [7:6]

0x40 [5:0]

0x41 [7:6]

0x41 [5:0]

REG4

REG4

REG4

0x42 [7]

0x42 [6:3]

0x42 [2]

REG4

REG4

REG5

REG5

REG5

REG5

0x42 [1]

0x42 [0]

0x50 [7:6]

0x50 [5:0]

0x51 [7]

0x51 [6:3]

REG5 0x51 [2]

REG5

REG5

REG6

REG6

REG6

0x51 [1]

0x51 [0]

0x58 [7:6]

0x58 [5:0]

0x59 [7]

NAME

-

VSET1

ON

-

PHASE

nFLTMSK

OK

-

VSET0

-

VSET1

ON

-

PHASE

nFLTMSK

OK

-

VSET

ON

-

DIS

nFLTMSK

OK

-

VSET

ON

ACCESS

DESCRIPTION

R Reserved.

Secondary Output Voltage Selection. Valid when VSEL is driven

R/W high. See the Output Voltage Programming section for more

information.

R/W

Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit

to 0 to disable the regulator.

R Reserved.

Regulator Phase Control. Set bit to 1 for the regulator to operate

R/W 180° out of phase with the oscillator, clear bit to 0 for the

regulator to operate in phase with the oscillator.

R/W

Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,

clear bit to 0 to disable fault-interrupts.

R

Regulator Power-OK Status. Value is 1 when output voltage

exceeds the power-OK threshold, value is 0 otherwise.

R Reserved.

Primary Output Voltage Selection. Valid when VSEL is driven low.

R/W See the Output Voltage Programming section for more

information

R Reserved.

Secondary Output Voltage Selection. Valid when VSEL is driven

R/W high. See the Output Voltage Programming section for more

information.

R/W

Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit

to 0 to disable the regulator.

R Reserved.

Regulator Phase Control. Set bit to 1 for the regulator to operate

R/W 180° out of phase with the oscillator, clear bit to 0 for the

regulator to operate in phase with the oscillator.

R/W

Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,

clear bit to 0 to disable fault-interrupts.

R

Regulator Power-OK Status. Value is 1 when output voltage

exceeds the power-OK threshold, value is 0 otherwise.

R Reserved.

R/W

Output Voltage Selection. See the Output Voltage Programming

section for more information.

R/W

Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit

to 0 to disable the regulator.

R Reserved.

Output Discharge Control. When activated, LDO output is

R/W

discharged to GA through 1.5kΩ resistor when in shutdown. Set

bit to 1 to enable output voltage discharge in shutdown, clear bit

to 0 to disable this function.

R/W

Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,

clear bit to 0 to disable fault-interrupts.

R

Regulator Power-OK Status. Value is 1 when output voltage

exceeds the power-OK threshold, value is 0 otherwise.

R Reserved.

R/W

Output Voltage Selection. See the Output Voltage Programming

section for more information.

R/W

Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit

to 0 to disable the regulator.

Innovative PowerTM

- 12 -

Active-Semi Proprietary―For Authorized Recipients and Customers

ActivePMUTM is a trademark of Active-Semi.

I2CTM is a trademark of NXP.

www.active-semi.com

Copyright © 2013 Active-Semi, Inc.

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