WM8311 datasheet(259/302 Pages) WOLFSON

259 / 302 page

Pre-Production

WM8311

PP, May 2012, Rev 3.1

259

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16497

(4071h)

LDO4

Control

15:14

LDO4_ERR_A

CT [1:0]

LDO4 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

LDO4_HWC_S

RC [1:0]

LDO4 Hardware Control Source

00 = Disabled

01 = Hardware Control 1

10 = Hardware Control 2

11 = Hardware Control 1 or 2

LDO4_HWC_V

SEL

LDO4 Hardware Control Voltage select

0 = Set by LDO4_ON_VSEL

1 = Set by LDO4_SLP_VSEL

9:8

LDO4_HWC_M

ODE [1:0]

LDO4 Hardware Control Operating Mode

00 = Low Power mode

01 = Turn converter off

10 = Low Power mode

11 = Set by LDO4_ON_MODE

LDO4_FLT

LDO4 Output float

0 = LDO4 output discharged when disabled

1 = LDO4 output floating when disabled

LDO4_SWI

LDO4 Switch Mode

0 = LDO mode

1 = Switch mode

LDO4_LP_MO

LDO4 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

R16498

(4072h)

LDO4 ON

Control

15:13

LDO4_ON_SL

OT [2:0]

000

LDO4 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

LDO4_ON_MO

LDO4 ON Operating Mode

0 = Normal mode

1 = Low Power mode

WM8311 Datasheet(PDF) 259 Page - Wolfson Microelectronics plc

WM8311 Datasheet(HTML) 259 Page - Wolfson Microelectronics plc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL