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ADSP-21489KSWZ-4B

ADSP-21489KSWZ-4B

Analog Devices
Digital Signal Processors & Controllers - DSP, DSC 400MHz 176ld LQFP SHARC
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Overview

The ADSP-21489KSWZ-4B is a high-performance 32-bit/40-bit floating-point Digital Signal Processor (DSP) belonging to the SHARC family. It operates at 400MHz and is specifically engineered for high-fidelity audio processing and complex signal manipulation in real-time environments.

Why Choose This Part

This processor features the SHARC SIMD architecture which provides high computational throughput for complex FFTs and FIR/IIR filters. The large on-chip SRAM and dedicated hardware accelerators for sampling rate conversion and delay lines significantly reduce external memory bandwidth requirements.

Applications

High-End Audio Processing
Digital mixers, effects processors, and studio-grade audio interfaces requiring low latency and high dynamic range.
Active Noise Cancellation
Implementation of complex adaptive filtering algorithms for automotive or industrial cabin noise reduction.
Professional Home Theater
Managing multi-channel decoding and sophisticated room equalization in high-end AV receivers.
Beamforming Microphone Arrays
Real-time spatial filtering and voice enhancement for teleconferencing and smart-room systems.

Getting Started

Development is primarily done using the Analog Devices CrossCore Embedded Studio (CCES) IDE and the ADZS-21489-EZLITE evaluation board. Designers should utilize the VisualDSP++ or CCES toolchains for efficient assembly or C-level coding and leverage the integrated DMA controller for high-speed I/O management.