WM9713 datasheet(98/111 Pages) WOLFSON

98 / 111 page

WM9713L

Preliminary Technical Data

PTD, March 2004, Rev 2.2

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER

4Ch

all 1 (all inputs)

except unused

bits

Controls GPIO configuration as inputs or as outputs

(note: virtual GPIOs can only be inputs)

4Eh

all 1

Controls GPIO polarity (actual polarity depends on

50h

all 0 (not sticky)

Makes GPIO signals sticky

52h

all 0 (OFF)

Enables wake-up for each GPIO signal

54h

= status of GPIO

inputs

GPIO pin status (read from inputs, write ‘0’ to clear

sticky bits)

Controls Comparator 1 signal (virtual GPIO)

Controls Comparator 2 signal (virtual GPIO)

Controls Pen-Down Detector signal (virtual GPIO)

Controls ADA signal (virtual GPIO)

Controls Thermal sensor signal (virtual GPIO)

Controls Microphone short detect (virtual GPIO)

Controls Microphone insert detect (virtual GPIO)

Controls GPIO8 (pin 3)

Controls GPIO7 (pin 11)

Controls GPIO6 (pin 12)

Controls GPIO5 (pin 48)

Controls GPIO4 (pin 47)

Controls GPIO3 (pin 46)

Controls GPIO2 (pin 45)

please refer

to the

Controls GPIO1 (pin 44)

GPIO and

Interrupt

Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

GE8

1 (GPIO)

Selects between GPIO8 and SPDIF_OUT function

for pin 12

GE7

1 (GPIO)

Selects between GPIO7 and PENDOWN function

for pin 11

GE6

1 (GPIO)

Selects between GPIO6 and ADA/MASK functions

for pin 3

GE5

1 (GPIO)

Selects between GPIO5 and SPDIF_OUT function

for pin 48

GE4

1 (GPIO)

Selects between GPIO4 and ADA/MASK functions

for pin 47

GE3

1 (GPIO)

Selects between GPIO3 and PENDOWN function

for pin 46

56h

GE2

1 (GPIO)

Selects between GPIO2 and IRQ function for pin 45

GPIO and

Interrupt

Control

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

15:8

01000000

Enables weak pull-up on GPIO pins (1=On)

58h

7:0

00000000

Enables weak pull-down on GPIO pins (1=On)

GPIO and

Interrupt

Control

WM9713 Datasheet(PDF) 98 Page - Wolfson Microelectronics plc

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