Instruction Manual

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
76543210
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.