WM8310 datasheet(237/291 Pages) WOLFSON

237 / 291 page

Pre-Production

WM8310

PP, May 2012, Rev 3.1

237

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

9:8

LDO3_HWC_M

ODE [1:0]

LDO3 Hardware Control Operating Mode

00 = Low Power mode

01 = Turn converter off

10 = Low Power mode

11 = Set by LDO3_ON_MODE

LDO3_FLT

LDO3 Output float

0 = LDO3 output discharged when disabled

1 = LDO3 output floating when disabled

LDO3_SWI

LDO3 Switch Mode

0 = LDO mode

1 = Switch mode

LDO3_LP_MO

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.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16495

(406Fh)

LDO3 ON

Control

15:13

LDO3_ON_SL

OT [2:0]

000

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_MO

LDO3 ON Operating Mode

0 = Normal mode

1 = Low Power mode

4:0

LDO3_ON_VS

EL [4:0]

0_0000

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

…

0Eh = 1.60V

0Fh = 1.70V

…

1Eh = 3.20V

1Fh = 3.30V

WM8310 Datasheet(PDF) 237 Page - Wolfson Microelectronics plc

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