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WM8310 Datasheet(PDF) 230 Page - Wolfson Microelectronics plc

Part # WM8310
Description  Processor Power Management Subsystem
PDF  291 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8310 Datasheet(HTML) 230 Page - Wolfson Microelectronics plc

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WM8310
Pre-Production
w
PP, May 2012, Rev 3.1
230
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
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16484
(4064h) DC4
Control
15:14
DC4_ERR_AC
T [1:0]
00
DC-DC4 Error Action (Undervoltage)
00 = Ignore
01 = Shut down converter
10 = Shut down system (Device Reset)
11 = Reserved
Note that an Interrupt is always raised.
12:11
DC4_HWC_SR
C [1:0]
00
DC-DC4 Hardware Control Source
00 = Disabled
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
8
DC4_HWC_M
ODE
1
DC-DC4 Hardware Control Operating Mode
0 = DC-DC4 is controlled by DC4_ENA
1 = DC-DC4 is disabled when Hardware Control Source
is asserted
3:2
DC4_RANGE
[1:0]
01
Selects the voltage range for DC-DC4
00 = 20V < VOUT <= 30V
01 = 10V < VOUT <= 20V
10 = 6.5V < VOUT <= 10V



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