WM8321 datasheet(181/253 Pages) WOLFSON

181 / 253 page

Production Data

WM8321

PD, February 2012, Rev 4.0

181

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16450

(4042h)

GPIO11

Control

GP11_DIR

GPIO11 pin direction

0 = Output

1 = Input

14:13

GP11_PULL

[1:0]

GPIO11 Pull-Up / Pull-Down configuration

00 = No pull resistor

01 = Pull-down enabled

10 = Pull-up enabled

11 = Reserved

GP11_INT_MO

GPIO11 Interrupt Mode

0 = GPIO interrupt is rising edge triggered (if

GP11_POL=1) or falling edge triggered (if

GP11_POL=0)

1 = GPIO interrupt is triggered on rising and falling

edges

GP11_PWR_D

GPIO11 Power Domain select

0 = DBVDD

1 = PVDD

GP11_POL

GPIO11 Polarity select

0 = Inverted (active low)

1 = Non-Inverted (active high)

GP11_OD

GPIO11 Output pin configuration

0 = CMOS

1 = Open Drain

GP11_ENA

GPIO11 Enable control

0 = GPIO pin is tri-stated

1 = Normal operation

3:0

GP11_FN [3:0]

0000

GPIO11 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)

Output functions:

0 = GPIO output

1 = 32.768kHz oscillator output

2 = ON state

3 = SLEEP state

4 = Power State Change

5 = Reserved

6 = Reserved

7 = Reserved

WM8321 датащи(PDF) 181 Page - Wolfson Microelectronics plc

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