Datasheet

STA559BW Processing data paths
Doc ID 18190 Rev 1 17/67
Figure 6. Left and right processing
Crossover Frequency determined by XO Setting
User Defined If XO=0000
R
L
+
+
+
C1Mx2
C2Mx1
C2Mx2
C3Mx1
C3Mx2
C1Mx1
Hi-Pass XO
Filter
Hi-Pass XO
Filter
Lo-Pass XO
Filter
User-Defined Mix Coefficients
Vol
And
Limiter
Vol
And
Limiter
Vol
And
Limiter
Post scale
Post scale
Post scale
Crossover Frequency determined by XO Setting
User Defined If XO=0000
R
L
+
+
+
C1Mx2
C2Mx1
C2Mx2
C3Mx1
C3Mx2
C1Mx1
Hi-Pass XO
Filter
Hi-Pass XO
Filter
Lo-Pass XO
Filter
User-Defined Mix Coefficients
Vol
And
Limiter
Vol
And
Limiter
Vol
And
Limiter
Post scale
Post scale
Post scale
If C2TCB=0
BTC: Bass Boost/Cut
TTC: Treble Boost/Cut
PreScale
Hi-Pass
Filter
Biquad
#1
Biquad
#2
Biquad
#3
Biquad
#4
De-
Emphasis
Bass Treble
If HPB=0 User-Defined Filters
If DEMP=0
If DSPB=0 and C2EQBP=0
x2
FIR
over
sampling
R
If C1TCB=0
BTC: Bass Boost/Cut
TTC: Treble Boost/Cut
From
I2S input
interface
PreScale
Hi-Pass
Filter
Biquad
#1
Biquad
#2
Biquad
#3
Biquad
#4
De-
Emphasis
Bass Treble
If HPB=0 User-Defined Filters
If DEMP=0
If DSPB=0 and C1EQBP=0
x2
FIR
over
sampling
L
Sampling
frequency=Fs
Sampling
frequency=2xFs
If C2TCB=0
BTC: Bass Boost/Cut
TTC: Treble Boost/Cut
PreScale
Hi-Pass
Filter
Biquad
#1
Biquad
#2
Biquad
#3
Biquad
#4
De-
Emphasis
Bass Treble
If HPB=0 User-Defined Filters
If DEMP=0
If DSPB=0 and C2EQBP=0
x2
FIR
over
sampling
R
If C1TCB=0
BTC: Bass Boost/Cut
TTC: Treble Boost/Cut
From
I2S input
interface
PreScale
Hi-Pass
Filter
Biquad
#1
Biquad
#2
Biquad
#3
Biquad
#4
De-
Emphasis
Bass Treble
If HPB=0 User-Defined Filters
If DEMP=0
If DSPB=0 and C1EQBP=0
x2
FIR
over
sampling
L
Sampling
frequency=Fs
Sampling
frequency=2xFs