WM8311 datasheet(231/302 Pages) WOLFSON

231 / 302 page

Pre-Production

WM8311

PP, May 2012, Rev 3.1

231

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

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

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16456

(4048h)

Charger

Control 1

CHG_ENA

Battery Charger Enable

0 = Disable

1 = Enable

Protected by security key.

CHG_FRC

Force charging

0 = Normal behaviour

1 = Force charging

CHG_FRC enables charging even if the battery voltage

is above the restart threshold.

It is not recommended to use this feature; there are

safety implications in its use.

This bit should be reset to 0 after charging has started.

Host processor should monitor CHG_MODE_EINT to

confirm that charging has started.

Protected by security key.

WM8311 Datasheet(PDF) 231 Page - Wolfson Microelectronics plc

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