Overview
The ADSP-21488KSWZ-4A, produced by Analog Devices Inc., is a high-performance Digital Signal Processor (DSP) from the fourth generation of SHARC Processors. This processor is optimized for high-performance audio applications and industrial control segments. It features a single-instruction, multiple-data (SIMD) core, supporting both 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats. The ADSP-21488KSWZ-4A is part of a family that includes the ADSP-21486, ADSP-21487, ADSP-21488, and ADSP-21489, all of which are pin-compatible and code-compatible with prior SHARC Processors.
Key Specifications
| Specification | Details |
|---|---|
| Core Clock Speed | 400 MHz |
| On-chip RAM | 3 Mbits |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Accelerators | FIR, IIR, FFT |
| Serial Ports (SPORTs) | 8 (supporting I2S, left-justified sample pair, DSP Serial, and TDM modes) |
| SPI-compatible Ports | 2 (supporting master and slave modes) |
| UART and Two-Wire Interface | Yes |
| Pulse Width Modulation (PWM) Channels | 16 |
| Timers | 3 full-featured timers |
| Package | 100-Lead LQFP (14mm x 14mm w/ heatsink) |
| Temperature Range | Commercial and Industrial |
Key Features
- High Performance: 400 MHz core clock speed and 2400 MFLOPs performance.
- Accelerators: Includes FIR, IIR, and FFT accelerators to enhance system performance.
- Memory Configuration: 3 Mbits of on-chip RAM and support for external 16-bit wide SDR SDRAM.
- Peripheral Interfaces: Digital Applications Interface (DAI), S/PDIF Tx/Rx, 8-channel asynchronous sample rate converter, and more.
- DMA Engine: Fully enhanced DMA engine with scatter/gather DMA and delay line DMA.
- Variable Instruction Set Architecture (VISA): Reduces code size by 20% to 30% and increases memory availability.
- Code Compatibility: Compatible with all prior SHARC Processors.
Applications
- Automotive Audio: Well-suited for high-performance automotive audio systems.
- Industrial Control: Ideal for industrial control applications requiring high processing power and precision.
- Surround-Sound Decoders: Supports the latest surround-sound decoder algorithms.
- Audio Processing: Optimized for high-performance audio processing tasks.
Q & A
- What is the core clock speed of the ADSP-21488KSWZ-4A?
The core clock speed is 400 MHz.
- How much on-chip RAM does the ADSP-21488KSWZ-4A have?
The ADSP-21488KSWZ-4A has 3 Mbits of on-chip RAM.
- What types of accelerators are included in the ADSP-21488KSWZ-4A?
The processor includes FIR, IIR, and FFT accelerators.
- How many serial ports (SPORTs) does the ADSP-21488KSWZ-4A have?
The processor has 8 serial ports (SPORTs).
- What is the package type and size of the ADSP-21488KSWZ-4A?
The package is a 100-Lead LQFP (14mm x 14mm w/ heatsink).
- Is the ADSP-21488KSWZ-4A compatible with prior SHARC Processors?
Yes, it is code-compatible with all prior SHARC Processors.
- What is the Variable Instruction Set Architecture (VISA) feature?
VISA reduces code size by 20% to 30% and increases memory availability.
- What are some of the key applications for the ADSP-21488KSWZ-4A?
Key applications include automotive audio, industrial control, and high-performance audio processing.
- Does the ADSP-21488KSWZ-4A support external memory?
Yes, it supports external 16-bit wide SDR SDRAM.
- What is the temperature range for the ADSP-21488KSWZ-4A?
The temperature range includes both commercial and industrial ranges.
