ADSP-21489KSWZ-4A

Digital Signal Processor Dsp Overview

The ADSP-21489KSWZ-4A is a fourth-generation SHARC digital signal processor optimized for high-performance audio applications. It features a single-instruction, multiple-data (SIMD) computational architecture with two processing elements capable of delivering up to 2700 MFLOPS at an operating frequency of 450 MHz. The device integrates 5 Mbits of on-chip RAM and 4 Mbits of mask-programmable ROM. It supports IEEE 32-bit and 40-bit floating-point arithmetic alongside 32-bit fixed-point formats. Key architectural features include Variable Instruction Set Architecture (VISA), hardware accelerators for FIR, IIR, and FFT filters, and a Digital Applications Interface (DAI) with flexible signal routing.

Digital Signal Processor Dsp Feature Summary

• High-performance SIMD core operating at up to 450 MHz with 2700 MFLOPS throughput
• Integrated memory consisting of 5 Mbits SRAM and 4 Mbits ROM
• Hardware-accelerated DSP functions including FIR, IIR, and FFT processors
• Digital Applications Interface (DAI) featuring eight serial ports, S/PDIF transceiver, and four asynchronous sample rate converters

Digital Signal Processor Dsp Applications

• Automotive audio systems and infotainment
• Industrial control and motor drive applications
• Professional audio equipment such as digital mixers and amplifiers
• Surround sound decoding and post-processing

Digital Signal Processor Dsp Procurement Notes

Verify the specific suffix KSWZ-4A against the manufacturer's current ordering guide to confirm package type, temperature range, and automotive qualification status. Ensure development tools like CrossCore Embedded Studio are compatible with the target revision. Confirm supply chain authenticity through authorized distributors.

Digital Signal Processor Dsp Selection Notes

Select the ADSP-21489KSWZ-4A when system requirements demand high floating-point performance exceeding 2 GFLOPS. This model is appropriate for designs requiring extensive on-chip memory to minimize external bus dependencies. Consider this part for applications needing integrated audio peripherals like S/PDIF and ASRC to reduce external component count.

Digital Signal Processor Dsp Part Context

This component belongs to the Analog Devices SHARC family, specifically the fourth generation which includes models ADSP-21483, ADSP-21486, ADSP-21487, and ADSP-21488. These devices share source code compatibility with previous SHARC generations and offer pin-compatible packaging options including 176-lead LQFP EPAD, 100-lead LQFP EPAD, and 88-lead LFCSP.

Digital Signal Processor Dsp Replacement Considerations

The ADSP-21487BSWZ-4A and ADSP-21488KSWZ-4B are pin-compatible members of the same family. Verify that their respective clock speeds and memory configurations meet the design requirements before substitution.