WM8310GEB/V Wolfson Microelectronics, WM8310GEB/V Datasheet - Page 234
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WM8310GEB/V
Manufacturer Part Number
WM8310GEB/V
Description
POWER MANAGEMENT SUBSYSTEM, 169BGA
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8310GEBV.pdf
(284 pages)
Specifications of WM8310GEB/V
Supply Voltage
7V
No. Of Step-down Dc - Dc Converters
4
No. Of Ldo Regulators
11
Digital Ic Case Style
BGA
No. Of Pins
169
No. Of Regulated Outputs
13
Operating Temperature Range
-40°C To
Rohs Compliant
Yes
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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WM8310
REGISTER
R16494
(406Eh)
LDO3
Control
Register 406Eh LDO3 Control
REGISTER
R16495
(406Fh)
LDO3 ON
Control
w
ADDRESS
ADDRESS
15:14
12:11
15:13
BIT
BIT
9:8
4:0
10
7
6
0
8
LDO3_HWC_M
LDO3_HWC_S
LDO3_HWC_V
LDO3_ON_MO
LDO3_LP_MO
LDO3_ON_VS
LDO3_ERR_A
LDO3_ON_SL
LDO3_SWI
LDO3_FLT
ODE[1:0]
LABEL
LABEL
CT[1:0]
RC[1:0]
OT[2:0]
EL[4:0]
SEL
DE
DE
DEFAULT
DEFAULT
0_0000
000
00
00
10
0
0
0
0
0
LDO3 Error Action (Undervoltage)
00 = Ignore
01 = Shut down regulator
10 = Shut down system (Device Reset)
11 = Reserved
Note that an Interrupt is always raised.
LDO3 Hardware Control Source
00 = Disabled
01 = Hardware Control 1
10 = Hardware Control 2
11 = Hardware Control 1 or 2
LDO3 Hardware Control Voltage select
0 = Set by LDO3_ON_VSEL
1 = Set by LDO3_SLP_VSEL
LDO3 Hardware Control Operating Mode
00 = Low Power mode
01 = Turn converter off
10 = Low Power mode
11 = Set by LDO3_ON_MODE
LDO3 Output float
0 = LDO3 output discharged when disabled
1 = LDO3 output floating when disabled
LDO3 Switch Mode
0 = LDO mode
1 = Switch mode
LDO3 Low Power Mode Select
0 = 50mA (reduced quiescent current)
1 = 20mA (minimum quiescent current)
Selects which Low Power mode is used in ON, SLEEP,
or under HWC modes.
LDO3 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 = Controlled by Hardware Enable 1
111 = Controlled by Hardware Enable 2
LDO3 ON Operating Mode
0 = Normal mode
1 = Low Power mode
LDO3 ON Voltage select
0.9V to 1.6V in 50mV steps
1.7V to 3.3V in 100mV steps
00h = 0.90V
01h = 0.95V
DESCRIPTION
DESCRIPTION
PP, December 2009, Rev 3.0
REFER TO
REFER TO
Pre-Production
234
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