ACT8848
Rev 2, 15-Nov-12
REGISTER AND BIT DESCRIPTIONS CONT’D
BLOCK ADDRESS BIT
NAME
ACCESS
DESCRIPTION
Secondary Output Voltage Selection. Valid when VSEL is driven
high. See the Output Voltage Programming section for more
information.
REG3
0x31
[5:0]
VSET1
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit
to 0 to disable the regulator.
REG3
REG3
0x32
0x32
[7]
ON
-
R/W
R
[6:3]
Reserved.
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
REG3
0x32
0x32
[2]
[1]
PHASE
R/W
R/W
Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,
clear bit to 0 to disable fault-interrupts.
nFLTMSK
Regulator Power-OK Status. Value is 1 when output voltage
exceeds the power-OK threshold, value is 0 otherwise.
REG3
REG4
0x32
0x40
[0]
OK
-
R
R
[7:6]
Reserved.
Primary Output Voltage Selection. Valid when VSEL is driven low.
See the Output Voltage Programming section for more
information
REG4
REG4
REG4
0x40
0x41
0x41
[5:0]
[7:6]
[5:0]
VSET0
-
R/W
R
Reserved.
Secondary Output Voltage Selection. Valid when VSEL is driven
high. See the Output Voltage Programming section for more
information.
VSET1
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit
to 0 to disable the regulator.
REG4
REG4
0x42
0x42
[7]
ON
-
R/W
R
[6:3]
Reserved.
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
REG4
0x42
0x42
[2]
[1]
PHASE
R/W
R/W
Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,
clear bit to 0 to disable fault-interrupts.
nFLTMSK
Regulator Power-OK Status. Value is 1 when output voltage
exceeds the power-OK threshold, value is 0 otherwise.
REG4
REG5
REG5
0x42
0x50
0x50
[0]
OK
-
R
R
[7:6]
[5:0]
Reserved.
Output Voltage Selection. See the Output Voltage Programming
section for more information.
VSET
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit
to 0 to disable the regulator.
REG5
REG5
0x51
0x51
[7]
ON
-
R/W
R
[6:3]
Reserved.
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
REG5
0x51
0x51
[2]
[1]
DIS
R/W
R/W
Regulator Fault Mask Control. Set bit to 1 enable fault-interrupts,
clear bit to 0 to disable fault-interrupts.
nFLTMSK
Regulator Power-OK Status. Value is 1 when output voltage
exceeds the power-OK threshold, value is 0 otherwise.
REG5
REG6
REG6
0x51
0x58
0x58
[0]
OK
-
R
R
[7:6]
[5:0]
Reserved.
Output Voltage Selection. See the Output Voltage Programming
section for more information.
VSET
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear bit
to 0 to disable the regulator.
REG6
REG6
0x59
0x59
[7]
ON
-
R/W
R
[6:3]
Reserved.
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