1 mono mixer input attenuation, P 121, Cs42l73 – Cirrus Logic CS42L73 User Manual

Page 121

Advertising
background image

DS882F1

121

CS42L73

6.48 Mono Mixer Input Attenuation (Addresses 56h through 5Dh)

Sets the level of attenuation to be applied to various mono digital mixer inputs. Each mixer input can be mut-
ed or attenuated from 0 to 62 dB in 1 dB steps.

Note:

* indicates the field name, taken from the mixer and attenuation characteristics and listed below..

6.48.1 Mono Mixer Input Attenuation

7

6

5

4

3

2

1

0

Reserved

Reserved

*_A5

*_A4

*_A3

*_A2

*_A1

*_A0

Register Mixer

Attenuator

Field

Name

Addr.

Name

ID

(Destination)

Output

Channel

Source

Source

Channel

56h

Speakerphone Mono Mixer:
Input Path Mono Attenuation

Speakerphone
(SPK)

Mono
(M)

Input Path
(IP)

Mono
(M)

SPKM_IPM_A

57h

Speakerphone Mono Mixer:
XSP Mono/L/R Attenuation

Speakerphone
(SPK)

Mono
(M)

Auxiliary Serial Port
(XSP)

Mono/Left/
Right

SPKM_XSP_A

58h

Speakerphone Mono Mixer:
ASP Mono/L/R Attenuation

Speakerphone
(SPK)

Mono
(M)

Audio Serial Port
(ASP)

Mono/Left/
Right

SPKM_ASP_A

59h

Speakerphone Mono Mixer:
VSP Mono Attenuation

Speakerphone
(SPK)

Mono
(M)

Voice Serial Port
(VSP)

Mono
(M)

SPKM_VSPM_
A

5Ah

Ear Speaker/Speakerphone Line Out-
put Mono Mixer:
Input Path Mono Attenuation

Ear Speaker/
Speakerphone
Line Output
(ESL)

Mono
(M)

Input Path
(IP)

Mono
(M)

ESLM_IPM_A

5Bh

Ear Speaker/Speakerphone Line Out-
put Mono Mixer:
XSP Mono/L/R Attenuation

Ear Speaker/
Speakerphone
Line Output
(ESL)

Mono
(M)

Auxiliary Serial Port
(XSP)

Mono/Left/
Right

ESLM_XSP_A

5Ch

Ear Speaker/Speakerphone Line Out-
put Mono Mixer:
ASP Mono/L/R Attenuation

Ear Speaker/
Speakerphone
Line Output
(ESL)

Mono
(M)

Audio Serial Port
(ASP)

Mono/Left/
Right

ESLM_ASP_A

5Dh

Ear Speaker/Speakerphone Line Out-
put Mono Mixer:
VSP Mono Attenuation

Ear Speaker/
Speakerphone
Line Output
(ESL)

Mono
(M)

Voice Serial Port
(VSP)

Mono
(M)

ESLM_VSPM_
A

*_A[5:0]

Volume

000000

0 dB

000001

-1.0 dB

000010

-2.0 dB

...

...

111110

-62.0 dB

111111

Mute

Step Size:

1.0 dB

Application:

Refer to sections

“Mixer Input Attenuation Adjustment” on page 63

and

“Mixer Attenuation Values” on

page 65

.

Advertising