WM1811A datasheet(142/328 Pages) WOLFSON

142 / 328 page

WM1811A

Production Data

PD, November 2013, Rev 4.1

142

GPn_FN

DESCRIPTION

COMMENTS

03h

IRQ

Interrupt (IRQ) output

0 = IRQ not asserted

1 = IRQ asserted

04h

Temperature

(Shutdown) status

output

Indicates Temperature Shutdown Sensor status

0 = Temperature is below shutdown level

1 = Temperature is above shutdown level

05h

Microphone Detect

Microphone Detect (MICDET accessory) IRQ output

A single 31

s pulse is output whenever an accessory

insertion, removal or impedance change is detected.

06h

Reserved

07h

Reserved

08h

Reserved

09h

FLL1 Lock

Indicates FLL1 Lock status

0 = Not locked

1 = Locked

0Ah

FLL2 Lock

Indicates FLL2 Lock status

0 = Not locked

1 = Locked

0Bh

SRC1 Lock

Indicates SRC1 Lock status

0 = Not locked

1 = Locked

0Ch

SRC2 Lock

Indicates SRC2 Lock status

0 = Not locked

1 = Locked

0Dh

AIF1 DRC1 Signal

Detect

Indicates AIF1 DRC Signal Detect status

0 = Signal threshold not exceeded

1 = Signal threshold exceeded

0Eh

Reserved

0Fh

AIF2 DRC Signal

Detect

Indicates AIF2 DRC Signal Detect status

0 = Signal threshold not exceeded

1 = Signal threshold exceeded

10h

Reserved

11h

FIFO Error

Indicates a Digital Core FIFO Error condition

0 = Normal operation

1 = FIFO Error

12h

Clock Output OPCLK

GPIO Clock derived from SYSCLK

13h

Temperature (Warning)

status output

Indicates Temperature Warning Sensor status

0 = Temperature is below warning level

1 = Temperature is above warning level

14h

DC Servo Done

Indicates DC Servo status on HPOUT1L and HPOUT1R

0 = DC Servo not complete

1 = DC Servo complete

15h

FLL1 Clock Output

Clock output from FLL1

16h

FLL2 Clock Output

Clock output from FLL2

17h to 1Fh

Reserved

Table 80 GPIO Function Select

WM1811A Datasheet(PDF) 142 Page - Wolfson Microelectronics plc

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