GENERAL DESCRIPTION

The ADSP1802 is a digital signal processor (DSP) that features

Analog Devices, Inc. Super Harvard Architecture Single-Chip Computer

(SHARC). The ADSP1802 is a 32-bit/40-bit floating point processor

optimized for high performance audio applications with large

on-chip RAM, multiple internal buses to eliminate I/O bottlenecks,

and features an innovative digital applications interface (DAI).

FEATURES

? High performance 32-bit/40-bit floating-point processor for high

performance audio processing

? SIMD computational architecture

? On-chip memory

? 5 Mb L1 on-chip RAM

? 8 Mb L2 RAM

? Maximum instruction rate up to 400 MHz

? Supports VISA

? Supports FIR, IIR, FFT accelerator

? DAI

? 8 SPORTs

? 4 PCGs

? 1 S/PDIF transceiver

? 4 ASRCs with ?140 dB SNR performance

? 1 IDP/PDAP

? 1 DAI SRU

? DPI

? 2 SPIs

? 1 UART

? 12 flags

? 1 TWI

? 3 PWM modules (PWM1, PWM2, and PWM3)

? 2 general-purpose timers

? 1 DPI SRU2

? 1 thermal diode

APPLICATIONS

? Audio and acoustic processing in cabin, including active sound

design, advanced chime, hands free and voice preprocessing,

active noise cancellation, and audio path management

? Audio processing in consumer applications, including UI communication,

professional audiovisual, hearables, and home theaters

? Intelligent buildings with security and surveillance