WM8903 datasheet(154/178 Pages) WOLFSON

154 / 178 page

WM8903

Production Data

PD, Rev 4.5, June 2012

154

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R58 (3Ah)

Analogue

OUT1 Right

HPR_MUTE

Right Headphone Output Mute

0 = Un-mute

1 = Mute

HPOUTVU

Headphone Output Volume Update

Writing a 1 to this bit will update HPOUTL and

HPOUTR volumes simultaneously.

(Write-Only Register)

HPOUTRZC

Right Headphone Output Zero Cross Enable

0 = disabled

1 = enabled

5:0

HPOUTR_VOL

[5:0]

10_1101

Right Headphone Output Volume

000000 = -57dB

000001 = -56dB

(… 1dB steps)

111001 = 0dB

(… 1dB steps)

111110 = +5dB

111111 = +6dB

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R59 (3Bh)

Analogue

OUT2 Left

LINEOUTL_MUTE

Left Line Output Mute

0 = Un-mute

1 = Mute

LINEOUTVU

Line Output Volume Update

Writing a 1 to this bit will update LINEOUTL and

LINEOUTR volumes simultaneously.

(Write-Only Register)

LINEOUTLZC

Left Line Output Zero Cross Enable

0 = disabled

1 = enabled

5:0

LINEOUTL_VOL

[5:0]

11_1001

Left Line Output Volume

000000 = -57dB

000001 = -56dB

(… 1dB steps)

111001 = 0dB

(… 1dB steps)

111110 = +5dB

111111 = +6dB

WM8903 Datasheet(PDF) 154 Page - Wolfson Microelectronics plc

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