WM8956CGEFLSLASHV datasheet(64/80 Pages) WOLFSON

64 / 80 page

WM8956

Production Data

PD, November 2011, Rev 4.1

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R14 (0Eh)

8:0

000000000

Reserved

R15 (0Fh)

Reset

8:0

Reset

N/A

Writing to this register resets all registers to their

default state.

R16 {10h)

3D Control

Reserved

3DUC

3D Enhance Filter Upper Cut-Off Frequency

0 = High (Recommended for fs>=32kHz)

1 = Low (Recommended for fs<32kHz)

Output Signal

Path

3DLC

3D Enhance Filter Lower Cut-Off Frequency

0 = Low (Recommended for fs>=32kHz)

1 = High (Recommended for fs<32kHz)

Output Signal

Path

4:1

3DDEPTH[3:0]

0000

3D Stereo Depth

0000 = 0% (minimum 3D effect)

0001 = 6.67%

....

1110 = 93.3%

1111 = 100% (maximum 3D effect)

Output Signal

Path

3DEN

3D Stereo Enhancement Enable

0 = Disabled

1 = Enabled

Output Signal

Path

R17 (11h)

8:0

0000001011

Reserved

R18 (12h)

8:0

100000000

Reserved

R19 (13h)

8:0

000110010

Reserved

R20 (14h)

8:0

000000000

Reserved

R21 (15h)

8:0

011000011

Reserved

R22 (16h)

8:0

011000011

Reserved

R23 (17h)

Additional

Control (1)

TSDEN

Thermal Shutdown Enable

0 = Thermal shutdown disabled

1 = Thermal shutdown enabled

(TSENSEN must be enabled for this function to

work)

Thermal

Shutdown

7:6

VSEL[1:0]

Analogue Bias Optimisation

00 = Reserved

01 = Bias current optimized for AVDD=2.7V

1X = Lowest bias current, optimized for

AVDD=3.3V

Power

Management

Reserved

DMONOMIX

DAC Mono Mix

0 = Stereo

1 = Mono (Mono MIX output on enabled DACs)

Output Signal

Path

3:2

Reserved

TOCLKSEL

Slow Clock Select (Used for volume update

timeouts and for jack detect debounce)

0 = SYSCLK / 2

21 (Slower Response)

1 = SYSCLK / 2

19 (Faster Response)

Volume

Updates;

Headphone Jack

Detect

TOEN

Enables Slow Clock for Volume Update Timeout

and Jack Detect Debounce

0 = Slow clock disabled

1 = Slow clock enabled

Volume

Updates;

Headphone Jack

Detect

R24 (18h)

8:7

Reserved

WM8956CGEFL/V Datasheet(PDF) 64 Page - Wolfson Microelectronics plc

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