ACT8840
Rev 2, 29-Jan-15
REGISTER AND BIT DESCRIPTIONS
BLOCK ADDRESS BIT
NAME
ACCESS
DESCRIPTION
Battery Voltage Level Interrupt Mask. Set this bit to 1 to unmask
the interrupt. See the Programmable Battery Voltage Monitor
section for more information
SYS
SYS
0x00
0x00
[7] nBATLEVMSK
R/W
Battery Voltage Status. Value is 1 when BATLEV interrupt is
generated, value is 0 otherwise.
[6]
nBATSTAT
R
Battery Voltage Monitor real time status. Value is 1 when VBAT
< BATLEV, value is 0 otherwise.
SYS
SYS
0x00
0x00
[5]
[4]
VBATDAT
-
R
R/W
Reserved.
Battery Voltage Detect Threshold. Defines the BATLEV voltage
threshold. See the Programmable Battary Voltage Monitor
section for more information.
SYS
0x00
[3:0]
BATLEV
R/W
SYS
SYS
0x01
0x01
[7]
[6]
nTMSK
TSTAT
R/W
R
Thermal Interrupt Mask. Set this bit to 1 to unmask the interrupt.
Thermal Interrupt Status. Value is 1 when a thermal interrupt is
generated, value is 0 otherwise.
SYS
0x01
0x10
[5:0]
[7:6]
-
R/W
R
Reserved.
Reserved.
REG1
-
Primary Output Voltage Selection. See the Output Voltage
Programming section for more information
REG1
0x10
[5:0]
VSET0
R/W
Regulator Enable Bit. Set bit to 1 to enable the regulator, clear
bit to 0 to disable the regulator.
REG1
REG1
0x12
0x12
[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.
REG1
REG1
0x12
0x12
[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.
REG1
REG2
0x12
0x20
[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
REG2
REG2
REG2
0x20
0x21
0x21
[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.
REG2
REG2
0x22
0x22
[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.
REG2
REG2
0x22
0x22
[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.
REG2
REG3
0x22
0x30
[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
REG3
0x30
[5:0]
VSET0
R/W
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