WM8961 datasheet(95/116 Pages) WOLFSON

Part #	WM8961

Description	Ultra-Low Power Stereo CODEC with 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers

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Manufacturer	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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95 / 116 page

WM8961

Pre-Production

w

PP, August 2009, Rev 3.1

95

REGISTER

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R56 (38h)

Clocking 4

8:5

CLK_DCS_DIV[3:0]

1000

Clock divider control for DC Servo, set to get 1.5Mhz from SYSCLK

0000 : SYSCLK/1

0001 : SYSCLK/1.5

0010 : SYSCLK/2

0011 : Reserved

0100 : SYSCLK/3

0101 : SYSCLK/4

0110 : SYSCLK/5.5

0111 : SYSCLK/6

1000 : SYSCLK/8

1001-1111 : Reserved

4:1

CLK_SYS_RATE[3:0]

0011

Specifies the rate of SYSCLK with respect to the sample rate.

0000 : 64*fs

0001 : 128*fs

0010 : 192*fs

0011 : 256*fs

0100 : 384*fs

0101 : 512*fs

0110 : 768*fs

0111 : 1024 *fs

1000 : 1408*fs

1001 : 1536*fs

1010 -> 1111 : reserved

Register 38h Clocking 4

REGISTER

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R57 (39h)

DSP

Sidetone 0

7:4

ADCR_DAC_SVOL[3:0]

0000

Controls volume of ADC Right side tone, 3dB steps.

0000 : -36dB

0001 : -33dB

…

1111 : 0dB

3:2

ADC_TO_DACR[1:0]

00

DAC Right Side-tone Control

11 = Unused

10 = Mix ADCR into DACR

01 = Mix ADCL into DACR

00 = No Side-tone mix into DACR

Register 39h DSP Sidetone 0

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WM8961 Datasheet(PDF) 95 Page - Wolfson Microelectronics plc

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