WM8986GECOSLASHV datasheet(69/87 Pages) WOLFSON

69 / 87 page

Pre-Production

WM8986

PP, Rev 3.1, February 2007

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

3:1

000

Approximate sample rate (configures the

coefficients for the internal digital filters):

000=48kHz

001=32kHz

010=24kHz

011=16kHz

100=12kHz

101=8kHz

110-111=reserved

Audio Sample

Rates

SLOWCLKEN

Slow clock enable. Used for both the jack insert

detect debounce circuit and the zero cross

timeout.

0 = slow clock disabled

1 = slow clock enabled

Analogue

Outputs

GPIO1GP

GPIO1 Open drain enable

0 = Open drain disabled

1 = Open drain enabled

General

Purpose

Input/Output

(GPIO)

GPIO1GPU

GPIO1 Internal pull-up enable:

0 = Internal pull-up disabled

1 = Internal pull-up enabled

General

Purpose

Input/Output

(GPIO)

GPIO1GPD

GPIO1 Internal pull-down enable:

0 = Internal pull-down disabled

1 = Internal pull-down enabled

General

Purpose

Input/Output

(GPIO)

5:4

OPCLKDIV

PLL Output clock division ratio

00 = divide by 1

01 = divide by 2

10 = divide by 3

11 = divide by 4

General

Purpose

Input/Output

(GPIO)

GPIO1POL

GPIO1 Polarity invert

0=Non inverted

1=Inverted

General

Purpose

Input/Output

(GPIO)

8 (08h)

2:0

GPIO1SEL

[2:0]

000

CSB/GPIO1 pin function select:

000= input (CSB/jack detection: depending on

MODE setting)

001= reserved

010=Temp ok

011=Amute active

100=PLL clk o/p

101=PLL lock

110=logic 1

111=logic 0

General

Purpose

Input/Output

(GPIO)

8:7

Reserved

JD_EN

Jack Detection Enable

0=disabled

1=enabled

Output

Switching

(Jack Detect)

9 (09h)

5:0

000000

Reserved

Output

Switching

(Jack Detect)

8:7

Reserved

10 (0Ah)

SOFTMUTE

Softmute enable:

0=Disabled

1=Enabled

Output Signal

Path

WM8986GECO/V Datasheet(PDF) 69 Page - Wolfson Microelectronics plc

WM8986GECO/V Datasheet(HTML) 69 Page - Wolfson Microelectronics plc

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