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WM8321 Datasheet(PDF) 73 Page - Wolfson Microelectronics plc

Part # WM8321
Description  Processor Power Management Subsystem
PDF  253 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8321 Datasheet(HTML) 73 Page - Wolfson Microelectronics plc

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Production Data
WM8321
w
PD, February 2012, Rev 4.0
73
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R16474 (405Ah)
DC1 DVS
Control
12:11
DC1_DVS_S
RC [1:0]
00
DC-DC1 DVS Control Source
00 = Disabled
01 = Enabled
10 = Controlled by Hardware DVS1
11 = Controlled by Hardware DVS2
6:0
DC1_DVS_V
SEL [6:0]
000_0000
DC-DC1 DVS Voltage select
0.6V to 1.8V in 12.5mV steps
00h to 08h = 0.6V
09h = 0.6125V
…
48h = 1.4V (see note)
…
67h = 1.7875V
68h to 7Fh = 1.8V
Note - Maximum output voltage
selection in 4MHz switching mode is
48h (1.4V).
R16475 (405Bh)
DC2 Control 1
15:14
DC2_RATE
[1:0]
10
Same as DC-DC1
12
DC2_PHASE
0
Same as DC-DC1
9:8
DC2_FREQ
[1:0]
00
Same as DC-DC1
7
DC2_FLT
0
Same as DC-DC1
5:4
DC2_SOFT_
START [1:0]
00
Same as DC-DC1
1:0
DC2_CAP
[1:0]
00
Same as DC-DC1
R16476 (405Ch)
DC2 Control 2
15:14
DC2_ERR_A
CT [1:0]
00
Same as DC-DC1
12:11
DC2_HWC_
SRC [1:0]
00
Same as DC-DC1
10
DC2_HWC_
VSEL
0
Same as DC-DC1
9:8
DC2_HWC_
MODE [1:0]
11
Same as DC-DC1
6:4
DC2_HC_TH
R [2:0]
000
Same as DC-DC1
0
DC2_HC_IN
D_ENA
0
Same as DC-DC1
R16477 (405Dh)
DC2 ON Config
15:13
DC2_ON_SL
OT [2:0]
000
Same as DC-DC1
9:8
DC2_ON_M
ODE [1:0]
00
Same as DC-DC1
6:2
DC2_ON_VS
EL [6:2]
00000
Same as DC-DC1
1:0
DC2_ON_VS
EL [1:0]
00
R16478 (405Eh)
DC2 SLEEP
Control
15:13
DC2_SLP_S
LOT [2:0]
000
Same as DC-DC1
9:8
DC2_SLP_M
ODE [1:0]
00
Same as DC-DC1
6:0
DC2_SLP_V
SEL [6:0]
000_0000
Same as DC-DC1
R16479 (405Fh)
12:11
DC2_DVS_S
RC [1:0]
00
Same as DC-DC1



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