ADSP-21488KSWZ-4B1

Digital Signal Processor Dsp Overview

The ADSP-21488KSWZ-4B1 is a high-performance 32-bit/40-bit floating-point digital signal processor from the SHARC family, optimized for audio processing. It features a single-instruction, multiple-data (SIMD) computational architecture with two processing elements (PEx and PEy). The device includes 5 Mbits of on-chip RAM and 4 Mbits of mask-programmable ROM containing audio decoders. It operates at a maximum clock frequency of 400 MHz and utilizes an enhanced Super Harvard Architecture to eliminate I/O bottlenecks.

Digital Signal Processor Dsp Feature Summary

• SIMD computational engine delivering up to 2.7 GFLOPS at 450 MHz
• 5 Mbits on-chip SRAM and 4 Mbits on-chip ROM with Dolby and DTS algorithms
• Audio-centric peripherals including S/PDIF transceiver, ASRC, and DAI/DPI
• AEC-Q100 qualified for automotive applications

Digital Signal Processor Dsp Applications

• High performance audio processing
• Automotive infotainment systems
• Medical imaging
• Communications equipment

Digital Signal Processor Dsp Procurement Notes

Verify the specific ordering suffix against the manufacturer's current data sheet to confirm package type, temperature range, and memory configuration. Ensure compatibility with existing development tools and software libraries designed for the SHARC family before procurement.

Digital Signal Processor Dsp Selection Notes

Select this model for applications requiring high throughput in audio decoding and processing. Compare internal memory sizes across the ADSP-2148x family to ensure sufficient RAM and ROM availability. Verify that the 176-lead LQFP package fits the board layout constraints.

Digital Signal Processor Dsp Part Context

This component belongs to the ADSP-2148x series, which shares source code compatibility with previous SHARC processors like the ADSP-2147x and ADSP-2136x. The series is designed to provide significant performance improvements over earlier generations through SIMD capabilities and enhanced memory bandwidth.

Digital Signal Processor Dsp Replacement Considerations

Direct substitutes within the same package and pinout include other members of the ADSP-2148x family such as the ADSP-21483, ADSP-21486, ADSP-21487, or ADSP-21489, provided their specific memory configurations and clock speeds meet the design requirements.