ACT8712QLEHA-T View Datasheet(PDF) - Active-Semi, Inc
Part Name
Description
MFG CO.
ACT8712QLEHA-T
Active-Semi, Inc
'ACT8712QLEHA-T' PDF : 36 Pages View PDF
ACT8712
Rev0, 25-Feb-08
STEP-DOWN DC/DC CONVERTERS
REGISTER DESCRIPTIONS
Note: See Table 1 for default register settings.
Table 5:
REG2 Control Register Map
ADDRESS
D7
D6
D5
20h
R
VRANGE
21h
R
R
R
22h
W/E
W/E
R
23h
R
R
R
DATA
D4
D3
D2
VSET
R
R
R
R
R
R
W/E
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 6:
REG2 Control Register Bit Descriptions
D1
D0
R
MODE
R
R
OK
W/E
ADDRESS
20h
NAME
VSET
20h
VRANGE
20h
21h
MODE
21h
22h
22h
23h
23h
OK
23h
23h
23h
23h
BIT ACCESS
FUNCTION
[5:0]
R/W
REG2 Output Voltage Selection
[6]
R/W
REG2 Reference Voltage
Selection
[7]
R
[0]
R/W
Mode Selection
[7:1]
R
[5:0]
R
[7:6]
W/E
[0]
W/E
[1]
R
REG2 Power-OK
[2]
W/E
[3]
R
[4]
W/E
[7:5]
R
DESCRIPTION
See Table 7
0
Min VOUT = 1.1V
1
Min VOUT = 1.25V
READ ONLY
0
PFM/PWM
1
Forced PWM
READ ONLY
READ ONLY
WRITE-EXACT
WRITE-EXACT
0
Output is not OK
1
Output is OK
WRITE-EXACT
READ ONLY
WRITE-EXACT
READ ONLY
Innovative Products. Active Solutions.
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of Philips Electronics.
- 18 -
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
Share Link: 