WM8311 datasheet(261/302 Pages) WOLFSON

261 / 302 page

Pre-Production

WM8311

PP, May 2012, Rev 3.1

261

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16500

(4074h)

LDO5

Control

15:14

LDO5_ERR_A

CT [1:0]

LDO5 Error Action (Undervoltage)

00 = Ignore

01 = Shut down regulator

10 = Shut down system (Device Reset)

11 = Reserved

Note that an Interrupt is always raised.

12:11

LDO5_HWC_S

RC [1:0]

LDO5 Hardware Control Source

00 = Disabled

01 = Hardware Control 1

10 = Hardware Control 2

11 = Hardware Control 1 or 2

LDO5_HWC_V

SEL

LDO5 Hardware Control Voltage select

0 = Set by LDO5_ON_VSEL

1 = Set by LDO5_SLP_VSEL

9:8

LDO5_HWC_M

ODE [1:0]

LDO5 Hardware Control Operating Mode

00 = Low Power mode

01 = Turn converter off

10 = Low Power mode

11 = Set by LDO5_ON_MODE

LDO5_FLT

LDO5 Output float

0 = LDO5 output discharged when disabled

1 = LDO5 output floating when disabled

LDO5_SWI

LDO5 Switch Mode

0 = LDO mode

1 = Switch mode

LDO5_LP_MO

LDO5 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

R16501

(4075h)

LDO5 ON

Control

15:13

LDO5_ON_SL

OT [2:0]

000

LDO5 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

LDO5_ON_MO

LDO5 ON Operating Mode

0 = Normal mode

1 = Low Power mode

WM8311 Datasheet(PDF) 261 Page - Wolfson Microelectronics plc

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