Datasheet

PWM_HPP and MR PWM_HPP and ML
MCLK
XTL_OUT
XTL_IN
PLL_FLTM
PLL_FLTP
OSC CAP
SCLK
LRCLK
SDIN1 SDIN2 SDIN3 SDIN4
SDA
SCL
RESET
PDN
MUTE
HP_SEL
BKND_ERR
PWM Section
PWM AP and AM7 Center PWM AP and AM4 R Rear PWM AP and AM3 L Rear PWM AP and AM8 Subwoofer PWM AP and AM1 L Front PWM AP and AM2 R Front
Power Supply
PWM AP and AM5 L Surround PWM L Lineout PWM AP and AM6 R Surround PWM R Lineout
Digital Audio Processor
VALID
Device
Control
8
8
4 2
0
Det
88
PSVC
9
2
PSVC
Volume
Control
Clock, PLL, and Serial Data I/F
I
2
C
Serial
Control
I/F
VR_PLL
AVDD_PLL
AVSS_PLL
AVDD_REF
VBGAP
VRA_PLL
VRD_PLL
DVDD
DVSS
AVDD
System Control
DAP Control PWM Control
8 × 8 Crossbar Mixer
7
Biquads
DC
Block
De
Emph
SRC NS PWM
0
Det
7
Biquads
DRC
Loud
Comp
Soft
Tone
DC
Block
De
Emph
SRC NS PWM
8 × 2 Crossbar Mixer
0
Det
7
Biquads
DRC
Loud
Comp
Soft
Tone
DC
Block
De
Emph
SRC NS PWM
0
Det
7
Biquads
DRC
Loud
Comp
Soft
Tone
DC
Block
De
Emph
SRC NS PWM
0
Det
7
Biquads
DRC
Loud
Comp
Soft
Tone
DC
Block
De
Emph
SRC NS PWM
0
Det
7
Biquads
DRC
Loud
Comp
Soft
Tone
DC
Block
De
Emph
SRC NS PWM
0
Det
7
Biquads
DRC
Loud
Comp
Soft
Tone
DC
Block
De
Emph
SRC NS PWM
0
Det
7
Biquads
DRC
Loud
Comp
Soft
Tone
DC
Block
De
Emph
Interpolate SRC NS PWM
Soft
Tone
DRC
Loud
Comp
Output Control
Interpolate Interpolate Interpolate Interpolate Interpolate Interpolate Interpolate
B0011-01
AVSS
Soft
Vol
Soft
Vol
Soft
Vol
Soft
Vol
Soft
Vol
Soft
Vol
Soft
Vol
Soft
Vol
8
TAS5508C
www.ti.com SLES257–SEPTEMBER 2010
Figure 1-1. TAS5508C Functional Structure
Copyright © 2010, Texas Instruments Incorporated Introduction PWM 11
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