Texas Instruments PCM5142 Evaluation Module PCM5142EVM-U PCM5142EVM-U Fiche De Données
Codes de produits
PCM5142EVM-U
L1
R1
L2
R2
Select
Lch
Rch
L1
R1
L2
R2
L3
R3
x
x
x
x
x
x
Gain3
Gai n2
Gain1
Lch
Rch
( )
( )
( )
(
)
å
·
=
i
G a in
n
,i
L
_
In p u t
n
L
_
O u t
SLAS759A – AUGUST 2012 – REVISED SEPTEMBER 2012
Table 34. DRC Coefficients (continued)
Coefficient
Register
Description
DRC_MB_1_One_M1
C143 (Pg 48, Reg 100, 101, 102, 103)
DRC_MB_1_Band1_GainE
C144 (Pg 48, Reg 104, 105, 106, 107)
DRC_MB_1_Band2_GainE
C145 (Pg 48, Reg 108, 109, 110, 111)
DRC_MB_1_Band3_GainE
C146 (Pg 48, Reg 112, 113, 114, 115)
DRC_MB_1_minus_One_M2
C147 (Pg 48, Reg 116, 117, 118, 119)
Stereo Mixer
Three stereo inputs are mixed into one stereo output with input signal gain given by
.
where
•
i=1:2,3
(3)
and
show the strereo mixer operation.
Figure 74. Figure 4. Stereo Mixer Block
Table 35. Stereo Mixer Coefficients
Coefficient
Register
Description
Stereo_Mixer_1_MixGain1
C148 (Pg 48, Reg 120, 121, 122, 123)
Stereo_Mixer_1_MixGain2
C149 (Pg 48, Reg 124, 125, 126, 127)
Stereo_Mixer_1_MixGain3
C150 (Pg 49, Reg 8, 9, 10, 11)
Stereo Multiplexer
The Stereo Multiplexer selects one or 2 from 4 stereo input channels.
Figure 75. Stereo Multiplexer Block
60
Copyright © 2012, Texas Instruments Incorporated
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