ACT8798(2008) View Datasheet(PDF) - Active-Semi, Inc
Part Name
Description
Manufacturer
ACT8798
(Rev.:2008)
(Rev.:2008)
Active-Semi, Inc
ACT8798 Datasheet PDF : 34 Pages
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ACT8798
Rev0, 10-Oct-08
STEP-DOWN DC/DC CONVERTERS
REGISTER DESCRIPTIONS
Note: See Table 1 for default register settings.
Table 2:
REG1 Control Register Map
ADDRESS
D7
D6
D5
10h
R
VRANGE
11h
R
R
R
12h
R
R
R
13h
R
R
R
DATA
D4
D3
D2
VSET
R
R
R
R
R
R
R
R
W/E
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 3:
REG1 Control Register Bit Descriptions
D1
D0
R
MODE
R
R
OK
ON
ADDRESS
10h
NAME
VSET
10h
VRANGE
10h
11h
MODE
11h
12h
13h
ON
13h
OK
13h
13h
BIT ACCESS
FUNCTION
DESCRIPTION
[5:0]
R/W REG1 Output Voltage Selection
See Table 4
[6]
R/W
[7]
R
REG1 Voltage Range
Selection
0
Min VOUT = 1.1V
1
Min VOUT = 1.25V
READ ONLY
[0]
R/W
Mode Selection
0
PWM/PFM
1
Forced PWM
[7:1]
R
READ ONLY
[7:0]
R
READ ONLY
[0]
R/W
REG1 Enable
0
REG1 Disable
1
REG1 Enable
[1]
R
REG1 Power-OK
0
Output is not OK
1
Output is OK
[2]
W/E
WRITE-EXACT
[7:3]
R
READ ONLY
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of Philips Electronics.
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www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
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