ACT8810
Active- Semi
Rev 4, 01-Oct-09
LOW-DROPOUT LINEAR REGULATORS
REGISTER DESCRIPTIONS
Note: See Table 1 for default register settings.
Table 13:
REG45 Control Register Map
DATA
ADDRESS
D7
DIS4
DIS5
R
D6
R
D5
ON4
ON5
R
D4
D3
D2
VSET4
VSET5
R
D1
D0
40h
41h
43h
R
R
R
R
nFLTMSK
OK
R: Read-Only bits. Default Values May Vary.
Table 14:
REG45 Control Register Bit Descriptions
ADDRESS
NAME
BIT ACCESS
FUNCTION
DESCRIPTION
REG4 Output Voltage
Selection
40h
VSET4
[4:0]
R/W
See Table 15
0
1
REG4 Disable
REG4 Enable
40h
40h
40h
ON4
[5]
[6]
[7]
R/W
R
REG4 Enable
READ ONLY
0
1
Discharge Disable
Discharge Enable
DIS4
VSET5
ON5
R/W
REG4 Discharge Enable
REG5 Output Voltage
Selection
41h
[4:0]
R/W
See Table 15
0
1
REG5 Disable
REG5 Enable
READ ONLY
Discharge Disable
Discharge Enable
Output is not OK
Output is OK
Masked
41h
41h
41h
[5]
[6]
[7]
R/W
R
REG5 Enable
0
1
0
1
0
1
DIS5
OK
R/W
REG5 Discharge Enable
REG4 Power-OK
43h
[0]
R
REG4 Output Voltage Fault
Mask Option
nFLTMSK
[1]
R/W
R
43h
43h
Not Mask
[7:2]
READ ONLY
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