WM8321 datasheet(81/253 Pages) WOLFSON

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Production Data

WM8321

PD, February 2012, Rev 4.0

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

LDO7_SWI

LDO7 Switch Mode

0 = LDO mode

1 = Switch mode

R16507 (407Bh)

LDO7 ON

Control

15:13

LDO7_ON_S

LOT [2:0]

000

LDO7 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

111 = Controlled by Hardware Enable

LDO7_ON_

MODE

LDO7 ON Operating Mode

0 = Normal mode

1 = Low Power mode

4:0

LDO7_ON_V

SEL [4:0]

00000

LDO7 ON Voltage select

1.0V to 1.6V in 50mV steps

1.7V to 3.5V in 100mV steps

00h = 1.00V

01h = 1.05V

02h = 1.10V

…

0Ch = 1.60V

0Dh = 1.70V

…

1Eh = 3.40V

1Fh = 3.50V

R16508 (407Ch)

LDO7 SLEEP

Control

15:13

LDO7_SLP_

SLOT [2:0]

000

LDO7 SLEEP Slot select

000 = SLEEP voltage / operating

mode transition in Timeslot 5

001 = Disable in Timeslot 5

010 = Disable in Timeslot 4

011 = Disable in Timeslot 3

100 = Disable in Timeslot 2

101 = Disable in Timeslot 1

110 = SLEEP voltage / operating

mode transition in Timeslot 3

111 = SLEEP voltage / operating

mode transition in Timeslot 1

If LDO7 is assigned to a Hardware

Enable Input, then codes 001-101

select in which timeslot the regulator

enters its SLEEP condition.

LDO7_SLP_

MODE

LDO7 SLEEP Operating Mode

0 = Normal mode

1 = Low Power mode

WM8321 データシート(PDF) 81 Page - Wolfson Microelectronics plc

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