TLC320AD80 Datasheet, PDF (31/37 Pages) Texas Instruments – Audio Processor Subsystem

4.1 Schematic
SDATA
BCLK
LRCLK
ASDATA
ABCLK
ALRCLK
MCLK 1
MCLK 2
TV BASEBAND P
TV BASEBAND M
AUX AUDIO2M
AUX AUDIO1L
NTSCAUDIO L
AUX AUDIO1R
NTSCAUDIO R
CS
SCLK
CDIN
CDOUT
Set-Top Box Stereo Audio Processing Subsystem
Stereo Audio DAC Standard Cell
REF F
Bandgap
Reference
Serial Data Sigma-Delta
3 Interface
DAC
Low-Pass
and
De-Emphasis
SC Filters
1
1
Analog
LP Filters 2
2
Format
2
2
2
Type
Clock
Generator
256/384/512
Monaural
Decoder
Analog
LP Filter
2
2
Select 1
L
R
2
Volume
Balance
Control
L
R
Σ
MUX
SPI Bus
Controller
Command
Decoder
Control
2
Select 2
REF
BGFLTR
REFF
EXT OUTL
EXT OUTR
EXT INL
EXT INR
AUDIO LEFT
AUDIO MONO
AUDIO RIGHT
MUX IN1
MUX IN2
MUX OUT
SUB
RESET
AV_DD1 AGND1 DV_DD1 DGND1 AV_DD2 AGND2 DV_DD2 DGND2 AV_DD3 AGND3