WM8960 datasheet(68/92 Pages) WOLFSON

68 / 92 page

WM8960

Production Data

PD, August 2013, Rev 4.2

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R0 (00h)

Left Input

Volume

IPVU

N/A

Input PGA Volume Update

Writing a 1 to this bit will cause left and right

input PGA volumes to be updated (LINVOL and

RINVOL)

Input Signal

Path

LINMUTE

Left Input PGA Analogue Mute

1 = Enable Mute

0 = Disable Mute

Note: IPVU must be set to un-mute.

Input Signal

Path

LIZC

Left Input PGA Zero Cross Detector

1 = Change gain on zero cross only

0 = Change gain immediately

Input Signal

Path

5:0

LINVOL[5:0]

010111

Left Input PGA Volume Control

111111 = +30dB

111110 = +29.25dB

. . 0.75dB steps down to

000000 = -17.25dB

Input Signal

Path

R1 (01h)

Right Input

Volume

IPVU

N/A

Input PGA Volume Update

Writing a 1 to this bit will cause left and right

input PGA volumes to be updated (LINVOL and

RINVOL)

Input Signal

Path

RINMUTE

Right Input PGA Analogue Mute

1 = Enable Mute

0 = Disable Mute

Note: IPVU must be set to un-mute.

Input Signal

Path

RIZC

Right Input PGA Zero Cross Detector

1 = Change gain on zero cross only

0 = Change gain immediately

Input Signal

Path

5:0

RINVOL[5:0]

010111

Right Input PGA Volume Control

111111 = +30dB

111110 = +29.25dB

. . 0.75dB steps down to

000000 = -17.25dB

Input Signal

Path

R2 (02h)

LOUT1

Volume

OUT1VU

N/A

Headphone Output PGA Volume Update

Writing a 1 to this bit will cause left and right

headphone output volumes to be updated

(LOUT1VOL and ROUT1VOL)

Analogue

Outputs

LO1ZC

Left Headphone Output Zero Cross Enable

0 = Change gain immediately

1 = Change gain on zero cross only

Analogue

Outputs

6:0

LOUT1VOL[6:0]

0000000

LOUT1 Volume

1111111 = +6dB

… 1dB steps down to

0110000 = -73dB

0101111 to 0000000 = Analogue MUTE

Analogue

Outputs

R3 (03h)

ROUT1

Volume

OUT1VU

N/A

Headphone Output PGA Volume Update

Writing a 1 to this bit will cause left and right

headphone output volumes to be updated

(LOUT1VOL and ROUT1VOL)

Analogue

Outputs

RO1ZC

Right Headphone Output Zero Cross Enable

0 = Change gain immediately

1 = Change gain on zero cross only

Analogue

Outputs

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