WM8953ECSSLASHRV datasheet(90/100 Pages) WOLFSON

90 / 100 page

WM8953

Production Data

PD, January 2009, Rev 4.0

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

3:0

GPIO3_SEL

[3:0]

0000b

GPIO3 Function Select

0000 = Input pin

0001 = Clock output (f=SYSCLK/OPCLKDIV)

0010 = Logic '0'

0011 = Logic '1'

0100 = PLL Lock output

0101 = Temperature OK output

0110 = SDOUT data output

0111 = IRQ output

1000 = MIC Detect

1001 = MIC Short Circuit Detect

1010 to 1111 = Reserved

15:8

10h

Reserved - Do Not Change

GPIO5_DEB_ENA

GPIO5 Input De-Bounce

0 = disabled (Not de-bounced)

1 = enabled (Requires MCLK input and TOCLK_ENA=1)

GPIO5_IRQ_ENA

GPIO5 IRQ Enable

0 = disabled

1 = enabled (GPIO5 input will generate IRQ)

GPIO5_PU

GPIO5 Pull-Up Resistor Enable

0 = Pull-up disabled

1 = Pull-up enabled (Approx 150k

Ω)

GPIO5_PD

GPIO5 Pull-Down Resistor Enable

0 = Pull-down disabled

1 = Pull-down enabled (Approx 150k

Ω)

R21 (15h)

GPIO5

3:0

GPIO5_SEL

[3:0]

0000b

GPIO5 Function Select

0000 = Input pin

0001 = Clock output (f=SYSCLK/OPCLKDIV)

0010 = Logic '0'

0011 = Logic '1'

0100 = PLL Lock output

0101 = Temperature OK output

0110 = SDOUT data output

0111 = IRQ output

1000 = MIC Detect

1001 = MIC Short Circuit Detect

1010 to 1111 = Reserved

RD_3W_ENA

3- / 4-wire readback configuration

1 = 3-wire mode

0 = 4-wire mode, using GPIO pin

MODE_3W4W

3-wire mode

0 = push 0/1

1 = open-drain

4-wire mode

0 = push 0/1

1 = wired-OR

13:12

00b

Reserved - Do Not Change

TEMPOK_IRQ_ENA

Temperature Sensor IRQ Enable

0 = disabled

1 = enabled

R22 (16h)

GPI7 and

GPI8

MICSHRT_IRQ_EN

MICBIAS short circuit detect IRQ Enable

0 = disabled

1 = enabled

WM8953ECS/RV Datenblatt(PDF) 90 Page - Wolfson Microelectronics plc

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