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