WM8741 datasheet(48/66 Pages) CIRRUS

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WM8741

Production Data

PD, Rev 4.3, February 2013

ADDRESS

BITS

NAME

DEFAULT

DESCRIPTION

Mode Control 1

07h

[1:0]

MODESEL

[1:0]

DSD/PCM mode select.

00 = PCM mode

01 = DSD Direct mode

10 = DSD Plus mode

11 = Unused

[4:2]

SR[3:0]

000

MCLK to LRCLK sampling rate ratio control:

000 = auto detect sample rate

001 = 128fs

010 = 192fs

011 = 256fs

100 = 384fs

101 = 512fs

110 = 768fs

[6:5]

OSR[1:0]

Selects low, medium or high sample rate mode for filter selection

(equivalent to OSR pin functionality in Hardware Mode)

00 = Low rate (32/44.1/48kHz)

01 = Medium rate (96kHz)

10 = High rate (192kHz)

11 = Unused

MODE8X

8FS mode select:

0 = Normal operation

1 = 8FS mode (digital filters bypassed)

Table 60 R7 Mode Control Register 1

ADDRESS

BITS

NAME

DEFAULT

DESCRIPTION

Mode Control 2

08h

[1:0]

DITHER[1:0]

ALU dither mode select:

00 = dither off

01 = RPDF dither applied in ALU

10 = TPDF dither applied in ALU

11 = HPDF dither applied in ALU

Note: DITHER[1:0] applies only to the dither mode in the ALU.

WM8741 Datasheet(PDF) 48 Page - Cirrus Logic

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