WM8311 datasheet(229/302 Pages) WOLFSON

229 / 302 page

Pre-Production

WM8311

PP, May 2012, Rev 3.1

229

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

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

R16454

(4046h)

GPIO15

Control

GP15_DIR

GPIO15 pin direction

0 = Output

1 = Input

14:13

GP15_PULL

[1:0]

GPIO15 Pull-Up / Pull-Down configuration

00 = No pull resistor

01 = Pull-down enabled

10 = Pull-up enabled

11 = Reserved

GP15_INT_MO

GPIO15 Interrupt Mode

0 = GPIO interrupt is rising edge triggered (if

GP15_POL=1) or falling edge triggered (if

GP15_POL=0)

1 = GPIO interrupt is triggered on rising and falling

edges

GP15_POL

GPIO15 Polarity select

0 = Inverted (active low)

1 = Non-Inverted (active high)

GP15_OD

GPIO15 Output pin configuration

0 = CMOS

1 = Open Drain

GP15_ENA

GPIO15 Enable control

0 = GPIO pin is tri-stated

1 = Normal operation

3:0

GP15_FN [3:0]

0000

GPIO15 Pin Function

Input functions:

0 = GPIO input (long de-bounce)

1 = GPIO input

2 = Power On/Off request

3 = Sleep/Wake request

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)

WM8311 Datasheet(PDF) 229 Page - Wolfson Microelectronics plc

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