WM8903 datasheet(155/178 Pages) WOLFSON

155 / 178 page

Production Data

WM8903

PD, Rev 4.5, June 2012

155

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R60 (3Ch)

Analogue

OUT2 Right

LINEOUTR_MUTE

Right 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)

LINEOUTRZC

Right Line Output Zero Cross Enable

0 = disabled

1 = enabled

5:0

LINEOUTR_VOL

[5:0]

11_1001

Right Line Output Volume

000000 = -57dB

000001 = -56dB

(… 1dB steps)

111001 = 0dB

(… 1dB steps)

111110 = +5dB

111111 = +6dB

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R62 (3Eh)

Analogue

OUT3 Left

SPKL_MUTE

Left Speaker Output Mute

0 = Un-mute

1 = Mute

SPKVU

Speaker Output Volume Update

Writing a 1 to this bit will update LON/LOP and

RON/ROP volumes simultaneously.

(Write-Only Register)

SPKLZC

Left Speaker Output Zero Cross Enable

0 = disabled

1 = enabled

5:0

SPKL_VOL

[5:0]

11_1001

Left Speaker Output Volume

000000 = -57dB

000001 = -56dB

(… 1dB steps)

111001 = 0dB

(… 1dB steps)

111110 = +5dB

111111 = +6dB

WM8903 Datasheet(PDF) 155 Page - Wolfson Microelectronics plc

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