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2 headphone volume control, 1 line channel x mute, 2 line volume control – Cirrus Logic CS42L56 User Manual

Page 83: 1 line channel x mute 6.36.2 line volume control, Line volume control” on, P 84, Xvol[6:0, Cs42l56

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DS851F2

83

CS42L56

6.35.2 Headphone Volume Control

Sets the volume of the signal out of the headphone amplifier.

Notes:
1. The step size may deviate from 1.0 dB. Refer to

Figure 39

and

Figure 40 on page 89

.

2. See section

“Analog Output Attenuation Characteristics” on page 26

for actual Mute Attenuation.

6.36 Line Volume Control: LINEA (Address 2Ah) & LINEB (Address 2Bh)

6.36.1 Line Channel x Mute

Configures an analog mute on the line amplifier.

6.36.2 Line Volume Control

Sets the volume of the signal out of the line amplifier.

HPxVOL[6:0]

Heaphone Volume

0111111

+12 dB

...

...

0001100

+12 dB

...

...

0000001

+1.0 dB

0000000

0 dB

1111111

-1.0 dB

...

...

1000100

-60.0 dB (Nominal Level

(Note 1)

)

1000011

Mute

...

...

1000000

Mute

(Note 2)

Step Size:

1.0 dB

7

6

5

4

3

2

1

0

LINExMUTE

LINExVOL6

LINExVOL5

LINExVOL4

LINExVOL3

LINExVOL2

LINExVOL1

LINExVOL0

LINExMUTE

HP Amp Mute

0

Disabled

1

Enabled

LINExVOL[6:0]

Line Volume

0111111

+12 dB

...

...

0001100

+12 dB

...

...

0000001

+1.0 dB

0000000

0 dB

1111111

-1.0 dB

...

...

1000100

-60.0 dB (Nominal Level

(Note 1)

)

1000011

Mute

(Note 2)

...

...

Step Size:

1.0 dB