WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 302
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WM8351CGEB/RV
Manufacturer Part Number
WM8351CGEB/RV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8351CGEBRV.pdf
(330 pages)
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WM8351
REGISTER
Register CAh LDO1 Low Power
Register CBh LDO2 Control
w
REGISTER
ADDRESS
ADDRESS
R202 (CAh)
R203 (CBh)
LDO1 Low
Control
Power
LDO2
13:12
BIT
BIT
9:8
4:0
4:0
14
10
LDO1_HIB_MODE[1:0]
LDO2_VSEL[4:0]
LDO1_HIB_TRIG[1:0]
LDO2_OPFLT
LDO1_VIMG[4:0]
LDO2_SWI
LABEL
LABEL
DEFAULT
1_1011
1_0000
1_0000
1_0110
0
0
DEFAULT
1_1100
00
00
LDO2 Regulator mode
0 = LDO voltage regulator
1 = Current-limited switch (no voltage regulation,
LDO2_VSEL has no effect)
Reset by state machine. Default held in metal mask.
Enable discharge of LDO2 outputs when LDO2 is
disabled
0 = Enabled - Output to be discharged
1 = Disabled - Output is left floating
Note - if LDO Regulators 1, 2, 3 and 4 are all
disabled, then the outputs will all be discharged,
regardless of the LDOn_OPFLT bit.
LDO2 Regulator output voltage (when LDO2_SWI=0)
1 1111 = 3.3V
… (100mV steps)
1 0000 = 1.8V
0 1111 = 1.65V
… (50mV steps)
0 0000 = 0.9V
Reset by state machine. Default held in metal mask.
LDO1 Hibernate behaviour:
00 = Select voltage image settings
01 = disable output
10 = reserved
11 = reserved
Reset by state machine. Default held in metal
mask.
LDO1 Hibernate signal select
00 = Hibernate register bit
01 = L_PWR1
10 = L_PWR2
11 = L_PWR3
Reset by state machine. Default held in metal
mask.
LDO1 Regulator output image voltage
1 1111 = 3.3V
… (100mV steps)
1 0000 = 1.8V
0 1111 = 1.65V
… (50mV steps)
0 0000 = 0.9V
DESCRIPTION
DESCRIPTION
PD, April 2012, Rev 4.5
REFER TO
REFER TO
Production Data
302
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