WM8310 datasheet(172/291 Pages) WOLFSON

172 / 291 page

WM8310

Pre-Production

PP, May 2012, Rev 3.1

172

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

2:0

WDOG_TO

[2:0]

111

Watchdog timeout period

000 = 0.256s

001 = 0.512s

010 = 1.024s

011 = 2.048s

100 = 4.096s

101 = 8.192s

110 = 16.384s

111 = 32.768s

Protected by security key.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16389

(4005h) ON

Pin Control

9:8

ON_PIN_SECA

CT [1:0]

Secondary action of ON pin (taken after 1 timeout

period)

00 = Interrupt

01 = ON request

10 = OFF request

11 = Reserved

Protected by security key.

5:4

ON_PIN_PRIM

ACT [1:0]

Primary action of ON pin

00 = Ignore

01 = ON request

10 = OFF request

11 = Reserved

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.

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.

WALL_FET_E

NA_DRV_STR

Sets the drive strength of the WALLFETENA pin. (Note

this pin is Active Low.)

0 = Weak drive (500kOhm)

1 = Strong drive (50kOhm)

WM8310 Datasheet(PDF) 172 Page - Wolfson Microelectronics plc

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