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ACT8849 Datasheet(PDF) 12 Page - Active-Semi, Inc

Part # ACT8849
Description  Advanced PMU for Multi-core Application Processors
PDF  35 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8849 Datasheet(HTML) 12 Page - Active-Semi, Inc

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ACT8849
Rev PrB, 12-Jun-14
Innovative PowerTM
- 12 -
www.active-semi.com
Copyright © 2014 Active-Semi, Inc.
Active-Semi Confidential―Do Not Copy or Distribute
ActivePMU
TM is a trademark of Active-Semi.
I2CTM is a trademark of NXP.
REGISTER AND BIT DESCRIPTIONS CONT’D
BLOCK ADDRESS BIT
NAME
ACCESS
DESCRIPTION
REG3
0x31
[7:6]
-
R
Reserved.
REG3
0x31
[5:0]
VSET1
R/W
Secondary Output Voltage Selection. Valid when VSEL is driven
high. See the Output Voltage Programming section for more
information.
REG3
0x32
[7]
ON
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit
to 0 to disable the regulator.
REG3
0x32
[6:3]
-
R
Reserved.
REG3
0x32
[2]
PHASE
R/W
Regulator Phase Control. Set bit to 1 for the regulator to operate
180° out of phase with the oscillator, clear bit to 0 for the
regulator to operate in phase with the oscillator.
REG3
0x32
[1]
nFLTMSK
R/W
Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,
clear bit to 0 to disable fault-interrupts.
REG3
0x32
[0]
OK
R
Regulator Power-OK Status. Value is 1 when output voltage
exceeds the power-OK threshold, value is 0 otherwise.
REG4
0x40
[7:6]
-
R
Reserved.
REG4
0x40
[5:0]
VSET0
R/W
Primary Output Voltage Selection. Valid when VSEL is driven low.
See the Output Voltage Programming section for more
information
REG4
0x41
[7:6]
-
R
Reserved.
REG4
0x41
[5:0]
VSET1
R/W
Secondary Output Voltage Selection. Valid when VSEL is driven
high. See the Output Voltage Programming section for more
information.
REG4
0x42
[7]
ON
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit
to 0 to disable the regulator.
REG4
0x42
[6:3]
-
R
Reserved.
REG4
0x42
[2]
PHASE
R/W
Regulator Phase Control. Set bit to 1 for the regulator to operate
180° out of phase with the oscillator, clear bit to 0 for the
regulator to operate in phase with the oscillator.
REG4
0x42
[1]
nFLTMSK
R/W
Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,
clear bit to 0 to disable fault-interrupts.
REG4
0x42
[0]
OK
R
Regulator Power-OK Status. Value is 1 when output voltage
exceeds the power-OK threshold, value is 0 otherwise.
REG5
0x50
[7:6]
-
R
Reserved.
REG5
0x50
[5:0]
VSET
R/W
Output Voltage Selection. See the Output Voltage Programming
section for more information.
REG5
0x51
[7]
ON
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit
to 0 to disable the regulator.
REG5
0x51
[6:3]
-
R
Reserved.
REG5
0x51
[2]
DIS
R/W
Output Discharge Control. When activated, LDO output is
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.
REG5
0x51
[1]
nFLTMSK
R/W
Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,
clear bit to 0 to disable fault-interrupts.
REG5
0x51
[0]
OK
R
Regulator Power-OK Status. Value is 1 when output voltage
exceeds the power-OK threshold, value is 0 otherwise.
REG6
0x58
[7:6]
-
R
Reserved.
REG6
0x58
[5:0]
VSET
R/W
Output Voltage Selection. See the Output Voltage Programming
section for more information.
REG6
0x59
[7]
ON
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit
to 0 to disable the regulator.



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