ACT8810
Active- Semi
Rev 4, 01-Oct-09
STEP-DOWN DC/DC CONVERTERS
REGISTER DESCRIPTIONS
Note: See Table 1 for default register settings.
Table 4:
REG1 Control Register Map
DATA
ADDRESS
D7
R
D6
D5
D4
D3
D2
D1
D0
10h
11h
12h
13h
R
VSET1
R
R
R
R
R
R
R
R
R
R
R
R
R
nFLTMSK
VSET0
OK
ON
R
VRANGE
R: Read-Only bits. Default Values May Vary.
Table 5:
REG1 Control Register Bit Descriptions
ADDRESS NAME BIT ACCESS
FUNCTION
DESCRIPTION
See Table 4
10h
10h
11h
VSET1
[5:0]
[7:6]
[7:0]
R/W
R
REG1 Standby Output Voltage Selection
READ ONLY
READ ONLY
REG1 Disable
REG1 Enable
Output is not OK
Output is OK
Masked
R
0
1
0
1
0
1
12h
12h
12h
ON
OK
[0]
[1]
[2]
R/W
R
REG1 Enable
REG1 Power-OK
nFLTMSK
R/W
REG1 Output Voltage Fault Mask Option
Not Mask
12h
13h
[7:3]
[5:0]
R
READ ONLY
See Table 4
VSET0
R/W
REG1 Output Voltage Selection
REG1 Voltage Range
0
1
Min VOUT = 0.8V
Min VOUT = 1.25V
READ ONLY
13h
13h
VRANGE
[6]
[7]
R/W
R
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