ACT8796
Rev1, 10-Oct-08
LOW-DROPOUT LINEAR REGULATORS
REGISTER DESCRIPTIONS
Note: See Table 1 for default register settings.
Table 11:
Control Register Map
DATA
ADDRESS
D7
R
D6
D5
D4
D3
D2
D1
D0
03h
40h
41h
42h
43h
VRANGE
VSET4
R
R
R
W/E
ON5
ON6
OK4
R
R
R
R
R
R
VSET5
VSET6
DIS4
R
R
OK6
OK5
DIS6
DIS5
W/E
R
R: Read-Only bits. Default Values May Vary.
W/E: Write-Exact bits. Read/Write bits which must be written exactly as specified in Table 1.
Table 12:
REG56 Control Register Bit Descriptions
ADDRESS
NAME
BIT ACCESS
FUNCTION
DESCRIPTION
REG4 Output Voltage
Selection
03h
VSET4
[5:0]
[6]
R/W
R/W
See Table 14
0
1
Min VOUT = 0.645V
Min VOUT = 1.25V
READ ONLY
REG4 Output Voltage
Selection
03h
VRANGE
03h
40h
40h
40h
[7]
[4:0]
[5]
R
R
READ ONLY
WRITE-EXACT
READ ONLY
W/E
R
[7:6]
REG5 Output Voltage
Selection
41h
41h
VSET5
ON5
[4:0]
[5]
R/W
R/W
See Table 13
0
1
REG5 Disable
REG5 Enable
READ ONLY
REG5 Enable
41h
42h
[7:6]
[4:0]
R
REG6 Output Voltage
Selection
VSET6
ON6
R/W
See Table 13
0
1
REG6 Disable
REG6 Enable
READ ONLY
42h
[5]
R/W
REG6 Enable
42h
43h
43h
[7:6]
[0]
R
R
READ ONLY
[1]
W/E
WRITE-EXACT
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