WM8959 datasheet(136/155 Pages) WOLFSON

136 / 155 page

WM8959

Pre-Production

PP, May 2008, Rev 3.1

136

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

MICSHRT_IRQ_

ENA

MICBIAS short circuit detect IRQ Enable

0 = disabled

1 = enabled

MICDET_IRQ_ENA

MICBIAS current detect IRQ Enable

0 = disabled

1 = enabled

PLL_LCK_IRQ_ENA

PLL Lock IRQ Enable

0 = disabled

1 = enabled

GPI8_DEB_ENA

GPI8 Input De-Bounce

0 = disabled (Not de-bounced)

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

GPI8_IRQ_ENA

GPI8 IRQ Enable

0 = disabled

1 = enabled (GPI8 input will generate IRQ)

Reserved - Do Not Change

GPI8_ENA

GPI8 Input Pin Enable

0 = RIN3/GPI8 pin disabled as GPI8 input

1 = RIN3/GPI8 pin enabled as GPI8 input

GPI7_DEB_ENA

GPI7 Input De-Bounce

0 = disabled (Not de-bounced)

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

GPI7_IRQ_ENA

GPI7 IRQ Enable

0 = disabled

1 = enabled (GPI7 input will generate IRQ)

Reserved - Do Not Change

GPI7_ENA

GPI7 Input Pin Enable

0 = LIN3/GPI7 pin disabled as GPI7 input

1 = LIN3/GPI7 pin enabled as GPI7 input

15:13

000b

Reserved - Do Not Change

IRQ_INV

(rw)

IRQ Invert

0 = IRQ output active high

1 = IRQ output active low

TEMPOK_POL

(rw)

Temperature Sensor polarity

0 = Non-inverted

1 = Inverted

MICSHRT_POL

(rw)

MICBIAS short circuit detect polarity

0 = Non-inverted

1 = Inverted

MICDET_POL

(rw)

MICBIAS current detect polarity

0 = Non-inverted

1 = Inverted

R23 (17h)

GPIO Control

(2)

PLL_LCK_POL

(rw)

PLL Lock Polarity

0 = Non-inverted

1 = Inverted

WM8959 Datasheet(PDF) 136 Page - Wolfson Microelectronics plc

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