**ADSP-21487KSWZ-4BB: A High-Performance SHARC Processor for Demanding Digital Signal Processing Applications**
The relentless advancement of audio, industrial, and defense technologies continually pushes the boundaries of processing power, requiring solutions that deliver both immense computational throughput and deterministic real-time performance. At the heart of many such sophisticated systems lies the **ADSP-21487KSWZ-4BB**, a member of Analog Devices' renowned SHARC® family that stands as a pinnacle of digital signal processor (DSP) design for the most challenging applications.
Engineered for exceptional performance, the ADSP-21487 is built upon a **single-instruction, multiple-data (SIMD)** core architecture. This core can execute multiple operations in a single cycle, dramatically accelerating complex mathematical functions central to DSP workloads. Operating at a core clock speed of **400 MHz**, this processor delivers a formidable 2.4 GFLOPS of performance, making it exceptionally capable for handling high-resolution filter algorithms, fast Fourier transforms (FFTs), and sophisticated audio processing codecs with ease. Its 32-bit floating-point native processing ensures superior dynamic range and precision, eliminating the scaling concerns inherent in fixed-point designs and simplifying software development.

Beyond the raw power of its core, the ADSP-21487KSWZ-4BB is distinguished by its rich integrated peripheral set, designed to create efficient and compact system designs. It features a **high-speed Serial Peripheral Interface (SPI)** and **Serial Ports (SPORTs)** with I²S support, which are critical for seamless interfacing with data converters, digital audio equipment, and other processors. For system control and communication, it includes multiple **Direct Memory Access (DMA)** controllers to offload the core from data-moving tasks, alongside a **Parallel Peripheral Interface (PPI)** for video or ADC/DAC connectivity. A critical feature for robust real-time operation is its extensive memory hierarchy, boasting **5 Mb of on-chip SRAM**. This large internal memory allows developers to store entire algorithms and data sets on-chip, avoiding performance bottlenecks associated with slower external memory accesses.
The combination of high floating-point performance and integrated peripherals makes the ADSP-21487KSWZ-4BB ideally suited for a vast array of demanding applications. It is a preferred solution in **professional audio equipment** such as mixing consoles, audio effects processors, and multi-channel amplifier systems, where it performs real-time mixing, equalization, and dynamic range compression. In the industrial sphere, it powers complex vibration analysis, predictive maintenance systems, and real-time control systems. Furthermore, its reliability and performance meet the stringent requirements of **aerospace and defense applications**, including sonar, radar, and communications processing.
ICGOODFIND: The ADSP-21487KSWZ-4BB emerges as a superior DSP solution, masterfully balancing **exceptional computational horsepower** with **low-latency, deterministic operation**. Its **robust integrated feature set** and **high floating-point precision** make it an indispensable component for engineers designing cutting-edge systems where processing integrity and speed are non-negotiable.
**Keywords:** SHARC Processor, Digital Signal Processing, Floating-Point Precision, Real-Time Performance, High-Performance DSP.
