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WM8326 Datasheet, PDF (74/255 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem
WM8326
ADDRESS
DC2 DVS
Control
R16480 (4060h)
DC3 Control 1
R16481 (4061h)
DC3 Control 2
R16482 (4062h)
DC3 ON Config
BIT
LABEL
6:0 DC2_DVS_V
SEL [6:0]
12 DC3_PHASE
7
DC3_FLT
5:4 DC3_SOFT_
START [1:0]
3:2 DC3_STNBY
_LIM [1:0]
1:0 DC3_CAP
[1:0]
15:14
12:11
10
9:8
7
DC3_ERR_A
CT [1:0]
DC3_HWC_
SRC [1:0]
DC3_HWC_
VSEL
DC3_HWC_
MODE [1:0]
DC3_OVP
15:13
9:8
6:2
DC3_ON_SL
OT [2:0]
DC3_ON_M
ODE [1:0]
DC3_ON_VS
EL [6:2]
DEFAULT
000_0000
0
0
01
01
00
00
00
0
11
0
000
00
00000
Production Data
DESCRIPTION
Same as DC-DC1
Same as DC-DC1
Same as DC-DC1
DC-DC3 Soft-Start Control
(Duration in each of the 3
intermediate startup current limiting
steps.)
00 = Immediate start-up
01 = 512us steps
10 = 4.096ms steps
11 = 32.768ms steps
DC-DC3 Current Limit
Sets the maximum DC output current
in Hysteretic Mode.
00 = 50mA
01 = 100mA
10 = 200mA
11 = 400mA
Protected by user key
DC-DC3 Output Capacitor
00 = 10uF to 20uF
01 = 10uF to 20uF
10 = 22uF to 45uF
11 = 47uF to 100uF
This field can only be written to by
loading configuration settings from
OTP/ICE. In all other cases, this field
is Read Only.
Same as DC-DC1
Same as DC-DC1
Same as DC-DC1
Same as DC-DC1
DC-DC3 Overvoltage Protection
0 = Disabled
1 = Enabled
Same as DC-DC1
Same as DC-DC1
DC-DC3 ON Voltage select
w
PD, June 2012, Rev 4.0
74