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WM8325 Datasheet(PDF) 86 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) 86 Page - Wolfson Microelectronics plc

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WM8325
Production Data
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PD, February 2012, Rev 4.0
86
15.11.4 EXTERNAL POWER ENABLE (EPE) CONTROL
The register controls for configuring the External Power Enable (EPE) outputs are defined in Table
37.
Note that the EPE1_ON_SLOT and EPE2_ON_SLOT fields may also be stored in the integrated OTP
memory. See Section 14 for details.
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R16521 (4089h)
EPE1 Control
15:13
EPE1_ON_S
LOT [2:0]
000
EPE1 ON Slot select
000 = Do not enable
001 = Enable in Timeslot 1
010 = Enable in Timeslot 2
011 = Enable in Timeslot 3
100 = Enable in Timeslot 4
101 = Enable in Timeslot 5
110 = Controlled by Hardware Enable
1
111 = Controlled by Hardware Enable
2
12:11
EPE1_HWC
_SRC [1:0]
00
EPE1 Hardware Control Source
00 = Disabled
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
8
EPE1_HWC
ENA
0
EPE1 Hardware Control Enable
0 = EPE1 is controlled by EPE1_ENA
(Hardware Control input(s) are
ignored)
1 = EPE1 is controlled by HWC
inputs (Hardware Control input(s)
force EPE1 to be de-asserted)
7:5
EPE1_SLP_
SLOT [2:0]
000
EPE1 SLEEP Slot select
000 = No action
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 = No action
111 = No action
R1652 (408Ah)
EPE2 Control
15:13
EPE2_ON_S
LOT [2:0]
000
Same as EPE1
12:11
EPE2_HWC
_SRC [1:0]
00
Same as EPE1
8
EPE2_HWC
ENA
0
Same as EPE1
7:5
EPE2_SLP_
SLOT [2:0]
000
Same as EPE1
Table 37 External Power Enable (EPE) Control



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