WM8352 datasheet(86/336 Pages) WOLFSON

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WM8352

Production Data

PD, February 2011, Rev 4.4

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R106 (6Ah)

for OUT2L

Volume

OUT2L_MU

OUT2L mute:

0 = normal operation

1 = mute

OUT2L_ZC

OUT2L volume zero cross enable

0 = Change gain immediately

1 = Change gain on zero cross only

OUT2_VU

OUT2L and OUT2R volumes do not update

until a 1 is written to either OUT2_VU register

bits.

7:2

OUT2L_VO

L [5:0]

11_1001

OUT2L volume:

000000 = -57dB

...

111001 = 0dB

...

111111 = +6dB

R107 (6Bh)

for OUT2R

OUT2R_M

UTE

OUT2R mute:

0 = normal operation

1 = mute

OUT2R_ZC

OUT2R volume zero cross enable

0 = Change gain immediately

1 = Change gain on zero cross only

OUT2R_IN

Enable OUT2R inverting amplifier

0 = disabled

1 = enabled

This register must be set to 0 when using the

non-inverting MIXOUT2R to OUT2R path.

This register must be set to 1 when using the

inverting MIXOUT2R to OUT2R path.

OUT2R_IN

V_MUTE

Mute output of PGA to inverting amplifier.

0 = PGA output goes to inverting amplifier

1 = PGA output goes to output driver

This register must be set to 0 when using the

inverting MIXOUT2R to OUT2R path.

This register must be set to 1 when using the

non-inverting MIXOUT2R to OUT2R path.

OUT2_VU

OUT2L and OUT2R volumes do not update

until a 1 is written to either OUT2_VU register

bits.

7:2

OUT2R_VO

L [5:0]

11_1001

OUT2R volume:

000000 = -57dB

...

111001 = 0dB

...

111111 = +6dB

R76 (4Ch)

Output

Control

OUT2_FB

Enable Headphone common mode ground

feedback for OUT2

0 = disabled (HPCOM unused)

1 = enabled (common mode feedback through

HPCOM)

Table 42 Controlling OUT2L and OUT2R

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