wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 308
wm8352
Manufacturer Part Number
wm8352
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8352.pdf
(335 pages)
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Part Number:
wm8352GEB
Manufacturer:
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WM8352
REGISTER
Register CDh LDO2 Low Power
Register CEh LDO3 Control
w
REGISTER
ADDRESS
ADDRESS
R205 (CDh)
R206 (CEh)
LDO2 Low
Control
Power
LDO3
13:12
BIT
BIT
9:8
4:0
4:0
14
10
LDO2_HIB_MODE[1:0]
LDO3_VSEL[4:0]
LDO2_HIB_TRIG[1:0]
LDO3_OPFLT
LDO2_VIMG[4:0]
LDO3_SWI
LABEL
LABEL
DEFAULT
1_1011
1_1111
1_1100
0_0110
0
0
DEFAULT
1_1100
00
00
LDO3 Regulator mode
0 = LDO voltage regulator
1 = Current-limited switch (no voltage regulation,
LDO3_VSEL has no effect)
Reset by state machine. Default held in metal mask.
Enable discharge of LDO3 outputs when LDO3 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.
LDO3 Regulator output voltage (when LDO3_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.
LDO2 Hibernate behaviour:
00 = Select voltage image settings
01 = disable output
10 = reserved
11 = reserved
Reset by state machine. Default held in metal
mask.
LDO2 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.
LDO2 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, June 2009, Rev 4.1
REFER TO
REFER TO
Production Data
308
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