WM8310 datasheet(173/291 Pages) WOLFSON

173 / 291 page

Pre-Production

WM8310

PP, May 2012, Rev 3.1

173

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

BATT_FET_EN

Enables the FET gate functionality on the

BATTFETENA pin. (Note this pin is Active Low.)

0 = Disabled

1 = Enabled

Note - this bit is reset to 0 when the OFF power state is

entered.

SW_RESET_C

Software Reset Configuration.

Selects whether the register map is reset to default

values when Software Reset occurs.

0 = All registers except RTC and Software Scratch

registers 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.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16391

(4007h)

Control

Interface

AUTOINC

Enable Auto-Increment function

0 = Disabled

1 = Enabled

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16392

(4008h)

Security Key

15:0

SECURITY

[15:0]

0000_0000

_0000_000

Security Key

A value of 9716h must be written to this register to

access the user-keyed registers.

WM8310 Datasheet(PDF) 173 Page - Wolfson Microelectronics plc

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