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WM8310 Datasheet(PDF) 254 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) 254 Page - Wolfson Microelectronics plc

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WM8310
Pre-Production
w
PP, May 2012, Rev 3.1
254
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16528
(4090h)
Clock
Control 1
15
CLKOUT_ENA
0
CLKOUT output enable
0 = Disabled
1 = Enabled
Protected by security key
13
CLKOUT_OD
0
CLKOUT pin configuration
0 = CMOS
1 = Open Drain
10:8
CLKOUT_SLO
T [2:0]
000
CLKOUT output enable 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 = Do not enable
111 = Do not enable
6:4
CLKOUT_SLP
SLOT [2:0]
000
CLKOUT output SLEEP slot select
000 = Controlled by CLKOUT_ENA
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 = Controlled by CLKOUT_ENA
111 = Controlled by CLKOUT_ENA
0
CLKOUT_SRC
0
CLKOUT output source select
0 = FLL output
1 = 32.768kHz oscillator
Register 4090h Clock Control 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16529
(4091h)
Clock
Control 2
15
XTAL_INH
0
Crystal Start-Up Inhibit
0 = Disabled
1 = Enabled
When XTAL_INH=1, the ‘ON’ transition is inhibited until
the crystal oscillator is valid
13
XTAL_ENA
0
Crystal Oscillator Enable
0 = Disabled at all times
1 = Enabled in OFF, ON and SLEEP states
(Note that the BACKUP behaviour is determined by
XTAL_BKUPENA.)
12
XTAL_BKUPE
NA
1
Selects the RTC and 32.768kHz oscillator in BACKUP
state
0 = RTC unclocked in BACKUP
1 = RTC maintained in BACKUP
(Note that XTAL_ENA must also be set if the RTC is to
be maintained in BACKUP.)



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