WM8311 datasheet(287/302 Pages) WOLFSON

287 / 302 page

Pre-Production

WM8311

PP, May 2012, Rev 3.1

287

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

4 = Sleep/Wake request (long de-bounce)

5 = Sleep request

6 = Power On request

7 = Watchdog Reset input

8 = DVS1 input

9 = DVS2 input

10 = HW Enable1 input

11 = HW Enable2 input

12 = HW Control1 input

13 = HW Control2 input

14 = HW Control1 input (long de-bounce)

15 = HW Control2 input (long de-bounce)

Output functions:

0 = GPIO output

1 = 32.768kHz oscillator output

2 = ON state

3 = SLEEP state

4 = Power State Change

5 = Reserved

6 = Touch Panel Pen Down

7 = Touch Panel Conversion complete

8 = DC-DC1 DVS Done

9 = DC-DC2 DVS Done

10 = External Power Enable1

11 = External Power Enable2

12 = System Supply Good (SYSOK)

13 = Converter Power Good (PWR_GOOD)

14 = External Power Clock (2MHz)

15 = Auxiliary Reset

3:1

SYSOK_THR

[2:0]

101

SYSOK threshold (rising SYSVDD)

This is the rising SYSVDD voltage at which SYSOK will

be asserted

000 = 2.8V

001 = 2.9V

…

111 = 3.5V

Note that the SYSOK hysteresis margin is added to

these threshold levels.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R30759

(7827h) ICE

CHECK

DATA

15:0

ICE_VALID_D

ATA [15:0]

0000_0000

_0000_000

This field is checked in development mode when an

‘ON’ transition is requested. A value of A596h is

required to confirm valid data.

WM8311 Datasheet(PDF) 287 Page - Wolfson Microelectronics plc

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