WM8321 datasheet(148/253 Pages) WOLFSON

148 / 253 page

WM8321

Production Data

PD, February 2012, Rev 4.0

148

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

Note that an Interrupt is always raised.

Protected by security key.

ON_PIN_STS

Current status of ON pin

0 = Asserted (logic 0)

1 = Not asserted (logic 1)

1:0

ON_PIN_TO

[1:0]

ON pin timeout period

00 = 1s

01 = 2s

10 = 4s

11 = 8s

Protected by security key.

ON Pin Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16390

(4006h)

Reset

Control

RECONFIG_A

T_ON

Selects if the bootstrap configuration data should be

reloaded when an ON transition is scheduled

0 = Disabled

1 = Enabled

Protected by security key.

SW_RESET_C

Software Reset Configuration.

Selects whether the register map is reset to default

values when Software Reset occurs.

0 = All registers except VPMIC domain and RTC are

reset by Software Reset

1 = Register Map is not affected by Software Reset

Protected by security key.

AUXRST_SLP

ENA

Sets the output status of Auxiliary Reset (GPIO)

function in SLEEP

0 = Auxiliary Reset not asserted

1 = Auxiliary Reset asserted

Protected by security key.

RST_SLP_MS

Masks the RESET pin input in SLEEP mode

0 = External RESET active in SLEEP

1 = External RESET masked in SLEEP

Protected by security key.

RST_SLPENA

Sets the output status of RESET pin in SLEEP

0 = RESET high (not asserted)

1 = RESET low (asserted)

Protected by security key.

1:0

RST_DUR [1:0]

Delay period for releasing RESET after ON or WAKE

sequence

00 = 3ms

01 = 11ms

10 = 51ms

11 = 101ms

Protected by security key.

Reset Control

WM8321 Datasheet(PDF) 148 Page - Wolfson Microelectronics plc

WM8321 Datasheet(HTML) 148 Page - Wolfson Microelectronics plc

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