WM8903 datasheet(111/178 Pages) WOLFSON

111 / 178 page

Production Data

WM8903

PD, Rev 4.5, June 2012

111

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

GP4_PU

GPIO Pull-Up Enable

0 = Pull-up disabled

1 = Pull-up enabled (Approx 100kΩ)

GP4_INTMODE

GPIO Interrupt Mode

0 = Level triggered

1 = Edge triggered

GP4_DB

GPIO de-bounce

0 = GPIO is not debounced

1 = GPIO is debounced

R120 (78h)

GPIO Control

13:8

GP5_FN [5:0]

00_0001

GPIO 5 Pin Function select

00h = GPIO output

01h = BCLK

02h = IRQ output

03h = GPIO input

04h = MICBIAS Current detect

05h = MICBIAS Short Circuit detect

06h = Reserved

07h = Reserved

08h = FLL Lock output

09h = FLL Clock output

0Ah to 3Fh = Reserved

GP5_DIR

GPIO Pin Direction

0 = Output

1 = Input

GP5_OP_CFG

Output pin configuration

0 = CMOS

1 = Open-drain

GP5_IP_CFG

Input pin configuration

0 = Active low

1 = Active high

GP5_LVL

GPIO Output Level

(when GP5_FN = 00000)

0 = Logic 0

1 = Logic 1

GP5_PD

GPIO Pull-Down Enable

0 = Pull-down disabled

1 = Pull-down enabled (Approx 100kΩ)

GP5_PU

GPIO Pull-Up Enable

0 = Pull-up disabled

1 = Pull-up enabled (Approx 100kΩ)

GP5_INTMODE

GPIO Interrupt Mode

0 = Level triggered

1 = Edge triggered

GP5_DB

GPIO de-bounce

0 = GPIO is not debounced

1 = GPIO is debounced

Table 72 GPIO Control

WM8903 Datasheet(PDF) 111 Page - Wolfson Microelectronics plc

WM8903 Datasheet(HTML) 111 Page - Wolfson Microelectronics plc

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