WM8741GEDS/RV View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

WM8741GEDS/RV

24-bit 192kHz DAC with Advanced Digital Filtering

Cirrus Logic 

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WM8741

REGISTER

ADDRESS

R7

Mode Control 1

07h

BITS

[1:0]

NAME

MODESEL

[1:0]

[4:2]

SR[3:0]

[6:5] OSR[1:0]

7

MODE8X

Table 60 R7 Mode Control Register 1

DEFAULT DESCRIPTION

Production Data

00

DSD/PCM mode select.

00 = PCM mode

01 = DSD Direct mode

10 = DSD Plus mode

11 = Unused

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

00

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

0

8FS mode select:

0 = Normal operation

1 = 8FS mode (digital filters bypassed)

REGISTER

ADDRESS

R8

Mode Control 2

08h

BITS

NAME

[1:0] DITHER[1:0]

DEFAULT

10

DESCRIPTION

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.

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PD, Rev 4.3, February 2013

48

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