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WM8325 Datasheet(PDF) 198 Page - Wolfson Microelectronics plc

Part # WM8325
Description  Processor Power Management Subsystem
PDF  254 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8325 Datasheet(HTML) 198 Page - Wolfson Microelectronics plc

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WM8325
Production Data
w
PD, February 2012, Rev 4.0
198
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
6:2
DC3_ON_VSE
L [6:2]
0_0000
DC-DC3 ON Voltage select
DC3_ON_VSEL [6:0] selects the DC-DC3 output
voltage from 0.85V to 3.4V in 25mV steps.
DC3_ON_VSEL [6:2] also exist in ICE/OTP memory,
controlling the voltage in 100mV steps.
DC3_ON_VSEL [6:0] is coded as follows:
00h = 0.85V
01h = 0.875V
…
65h = 3.375V
66h to 7Fh = 3.4V
1:0
DC3_ON_VSE
L [1:0]
00
DC-DC3 ON Voltage select
DC3_ON_VSEL [6:0] selects the DC-DC3 output
voltage from 0.85V to 3.4V in 25mV steps.
See DC3_ON_VSEL [6:2] for definition.
Register 4062h
DC3 ON Config
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16483
(4063h) DC3
SLEEP
Control
15:13
DC3_SLP_SLO
T [2:0]
000
DC-DC3 SLEEP Slot select
000 = SLEEP voltage / operating mode transition in
Timeslot 5
001 = Disable in Timeslot 5
010 = Disable in Timeslot 4
011 = Disable in Timeslot 3
100 = Disable in Timeslot 2
101 = Disable in Timeslot 1
110 = SLEEP voltage / operating mode transition in
Timeslot 3
111 = SLEEP voltage / operating mode transition in
Timeslot 1
If DC-DC3 is assigned to a Hardware Enable Input,
then codes 001-101 select in which timeslot the
converter enters its SLEEP condition.
9:8
DC3_SLP_MO
DE [1:0]
11
DC-DC3 SLEEP Operating Mode
00 = Forced Continuous Conduction Mode
01 = Auto Mode (Continuous / Discontinuous
Conduction with Pulse-Skipping)
10 = LDO Mode
11 = Hysteretic Mode
6:0
DC3_SLP_VSE
L [6:0]
000_0000 DC-DC3 SLEEP Voltage select
0.85V to 3.4V in 25mV steps
00h = 0.85V
01h = 0.875V
…
65h = 3.375V
66h to 7Fh = 3.4V
Register 4063h
DC3 SLEEP Control



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