1FEATURES

• Digital Audio Processor

– Fully Programmable With the Graphical,

Drag-and-Drop PurePath Studio™ Software

Development Environment

– 135-MHz Operation 48-Bit Data Path With

76-Bit Accumulator

– Hardware Single-Cycle Multiplier (28 × 48)

– Five Simultaneous Operations Per Clock

Cycle

– Usable 1k Data RAM Words (48 Bit), Usable

1k Coefficient RAM (28 Bit)

– Usable 2.8k Program RAM

– 360 ms at 48 kHz, 17k Words 24-Bit Delay

Memory

– Slave Mode Fs is 32.44.1 and 48 kHz With

Auto Sample Rate Detection

– Master Mode Fs is 48 kHz

• Analog Audio Input/Output

– 10:1 Stereo Analog Input MUX

– Stereo Analog Pass-Through Channel

– Stereo, Single-Ended ADC

(100 dB DNR Typical)

– Six Differential PWM Outputs

(105 dB DNR Typical)

– PurePath™ Digital Technology Minimizes

Pop/Click

– Fourth Order Chaotic Noise Shaper With

Non-Linear Correction

• Digital Audio Input/Output

– Three Synchronous Serial Audio Inputs

(Six Channels)

– Two Synchronous Serial Audio Outputs

(Four Channels)

– Input and Output Data Formats: 16-, 20-, or

24-Bit Data Left, Right, and I2S

– S/PDIF Transmitter

• System Control Processor

– Embedded 8051 WARP Microprocessor

– Programmable Using Standard 8051 C

Compilers

– Four Programmable GPIO pins

• General Features

– Two I2C Ports for Slave or Master Download

– Single 3.3-V Power Supply

– Integrated Regulators

APPLICATIONS

• Flat-Screen Televisions

• MP3 Player/Music Phone Docks

• Speaker Bars

• Mini/Micro-Component Systems

• Automotive Head Units

• Musical Instruments