WM8960 datasheet(71/92 Pages) WOLFSON

71 / 92 page

Production Data

WM8960

PD, August 2013, Rev 4.2

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

1:0

FORMAT[1:0]

00 = Right justified

01 = Left justified

10 = I

2S Format

11 = DSP Mode

Audio Interface

Control

R8 (08h)

Clocking

(2)

8:6

DCLKDIV[2:0]

111

Class D switching clock divider.

000 = SYSCLK / 1.5 (Not recommended)

001 = SYSCLK / 2

010 = SYSCLK / 3

011 = SYSCLK / 4

100 = SYSCLK / 6

101 = SYSCLK / 8

110 = SYSCLK / 12

111 = SYSCLK / 16

Class D Speaker

Outputs;

Clocking and

Sample Rates

5:4

Reserved

3:0

BCLKDIV[3:0]

0000

BCLK Frequency (Master Mode)

0000 = SYSCLK

0001 = SYSCLK / 1.5

0010 = SYSCLK / 2

0011 = SYSCLK / 3

0100 = SYSCLK / 4

0101 = SYSCLK / 5.5

0110 = SYSCLK / 6

0111 = SYSCLK / 8

1000 = SYSCLK / 11

1001 = SYSCLK / 12

1010 = SYSCLK / 16

1011 = SYSCLK / 22

1100 = SYSCLK / 24

1101 to 1111 = SYSCLK / 32

Clocking and

Sample Rates

R9 (09h)

Audio

Interface

8:7

Reserved

ALRCGPIO

ADCLRC/GPIO1 Pin Function Select

0 = ADCLRC frame clock for ADC

1 = GPIO pin

General

Purpose Input /

Output;

Digital Audio

Interface

WL8

8-Bit Word Length Select (Used with

companding)

0 = Off

1 = Device operates in 8-bit mode.

Audio Interface

Control

4:3

DACCOMP[1:0]

DAC companding

00 = off

01 = reserved

10 = µ-law

11 = A-law

Audio Interface

Control

2:1

ADCCOMP[1:0]

ADC companding

00 = off

01 = reserved

10 = µ-law

11 = A-law

Audio Interface

Control

LOOPBACK

Digital Loopback Function

0 = No loopback.

1 = Loopback enabled, ADC data output is fed

directly into DAC data input.

Audio Interface

Control

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