WM8352 datasheet(298/336 Pages) WOLFSON

298 / 336 page

WM8352

Production Data

PD, February 2011, Rev 4.4

298

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R187 (BBh)

DCDC3

Timeouts

15:14

DC3_ERRACT[1:0]

Action to take on DC-DC3 fault (as well as

generating an interrupt):

00 = ignore

01 = shut down converter

10 = shut down system

11 = reserved (shut down system)

Reset by state machine. Default held in metal

mask.

13:10

DC3_ENSLOT[3:0]

0000

0010

0110

0011

Time slot for DC-DC3 start-up

0000 = Disabled (do not start up)

0001 = Start-up in time slot 1

… (total 14 slots available)

1110 = Start-up in time slot 14

1111 = Start-up on entering ACTIVE

Reset by state machine. Default held in metal

mask.

9:6

DC3_SDSLOT[3:0]

0000

Time slot for DC-DC3 shutdown.

0000 = Shut down on entering OFF

0001 = Shutdown in time slot 1

…. (total 14 slots available)

1110 = Shutdown in time slot 14

1111 = Shut down on entering OFF

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R188 (BCh)

DCDC3 Low

Power

14:12

DC3_HIB_MODE[2:0]

000

DC-DC3 Hibernate behaviour:

000 = Use current settings (no change)

001 = Select voltage image settings

010 = Force standby mode

011 = Force standby mode and voltage image

settings.

100 = Force LDO mode

101 = Force LDO mode and voltage image

settings.

110 = Reserved.

111 = Disable output

Reset by state machine. Default held in metal

mask.

9:8

DC3_HIB_TRIG[1:0]

DC-DC3 Hibernate signal select

00 = HIBERNATE register bit

01 = L_PWR1

10 = L_PWR2

11 = L_PWR3

Note that Hibernate is also selected when a

GPIO Hibernate input is asserted.

Reset by state machine. Default held in metal

mask.

WM8352 Datasheet(PDF) 298 Page - Wolfson Microelectronics plc

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