WM8352 datasheet(300/336 Pages) WOLFSON

300 / 336 page

WM8352

Production Data

PD, February 2011, Rev 4.4

300

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R190 (BEh)

DCDC4

Timeouts

15:14

DC4_ERRACT[1:0]

Action to take on DC-DC4 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

DC4_ENSLOT[3:0]

0000

0011

0100

0001

Time slot for DC-DC4 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

DC4_SDSLOT[3:0]

0000

Time slot for DC-DC4 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

R191 (BFh)

DCDC4 Low

Power

14:12

DC4_HIB_MODE[2:0]

000

DC-DC4 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

DC4_HIB_TRIG[1:0]

DC-DC4 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) 300 Page - Wolfson Microelectronics plc

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