Datasheet

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2FunctionalDescription
2.1DeviceDescription
Microprocessor Core
Data
Path
Memory
Interface
Volume
Update
8
54
28
Audio DSP Core
Serial
Audio
Port
Controller
2828
48
I
2
C
Control
Interface
8
8
SDIN1
SDIN2
SDOUT1
8 Channels
8 Channels
SDIN3
SDIN4
SDOUT2
SDOUT3
SDOUT4
48
Coef.
RAM
(1022 y 28)
Data
RAM
(1022 y 48)
Code
RAM
(3K y 54)
Clock
Control
MCLK
LRCLK
SCLKIN
SCLKOUT1
SCLKOUT2
Delay
Memory
(5.8K y 24)
2ySDA
2ySCL
CSO
GPIO
Internal
Data RAM
(256 y 8)
Code
RAM
(12K y 8)
External
Data RAM
(2048 y 8)
Code
ROM
8-Bit
MCU
(8051)
Control
Registers
B0075-01
Power Supply
AVDD
DVDD
TAS3108,TAS3108IA
AUDIODIGITALSIGNALPROCESSORS
SLES152B–OCTOBER2005–REVISEDNOVEMBER2007
TheTAS3108andTAS3108IAarefullyprogrammablehigh-performanceaudioprocessors.Thedevices
useanefficient,custom,multi-instructionprogrammingenvironmentoptimizedfordigitalaudioprocessing
algorithms.TheTAS3108/TAS3108IAarchitectureprovideshigh-qualityaudioprocessingbyusinga48-bit
datapath,28-bitfiltercoefficients,andasingle-cycle28×48-bitmultiplierwitha76-bitaccumulator.An
embedded8051microprocessorprovidesalgorithmanddatacontrolfortheTAS3108/TAS3108IA.The
TAS3108isthecommercialversionintendedforhomeaudioandothercommercialapplications.The
TAS3108IAistheautomotiveversionthatisqualifiedforuseinautomotiveapplications.
Figure2-1.ExpandedTAS3108/TAS3108IAFunctionalBlockDiagram
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Not Recommended for New Designs