Overview
The ADSP-21488KSWZ-4B1 is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of 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-4B1 offers enhanced performance with a 400 MHz core clock speed and 2400 MFLOPs, making it particularly suitable for demanding audio and industrial applications.
Key Specifications
| Specification | Details |
|---|---|
| Core Clock Speed | 400 MHz |
| On-chip RAM | 3 Mbits |
| Accelerators | FIR, IIR, FFT |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Serial Ports (SPORTs) | 8 ports supporting I2S, left-justified sample pair, DSP Serial, and TDM modes |
| SPI Ports | 2 SPI-compatible ports supporting master and slave modes |
| UART and Two-Wire Interface | Yes |
| Pulse Width Modulation (PWM) Channels | 16 channels |
| Timers | 3 full-featured timers |
| Package | 176-Lead LQFP EPAD |
| Temperature Range | Commercial and Industrial temperature ranges |
Key Features
- High Performance: 400 MHz core clock speed and 2400 MFLOPs, making it suitable for high-performance audio and industrial applications.
- Accelerators: Includes FIR, IIR, and FFT accelerators to increase 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), 8 serial ports (SPORTs), 2 SPI-compatible ports, UART, and Two-Wire Interface.
- PWM and Timers: 16 Pulse Width Modulation (PWM) channels and 3 full-featured timers.
- Variable Instruction Set Architecture (VISA): Allows for a decrease in code size by 20% to 30% and increases memory size availability.
- Code Compatibility: Code-compatible with all prior SHARC Processors.
Applications
The ADSP-21488KSWZ-4B1 is particularly well-suited for various high-performance applications, including:
- Automotive Audio: Supports the latest surround-sound decoder algorithms and other advanced audio processing tasks.
- Industrial Control: Suitable for demanding industrial control applications due to its high performance and robust peripheral set.
- Audio Processing: Optimized for high-performance audio processing, making it ideal for professional audio equipment and consumer electronics.
Q & A
- What is the core clock speed of the ADSP-21488KSWZ-4B1?
The core clock speed is 400 MHz.
- How much on-chip RAM does the ADSP-21488KSWZ-4B1 have?
The ADSP-21488KSWZ-4B1 has 3 Mbits of on-chip RAM.
- What types of accelerators are included in the ADSP-21488KSWZ-4B1?
The processor includes FIR, IIR, and FFT accelerators.
- What is the external memory interface of the ADSP-21488KSWZ-4B1?
The external memory interface is a 16-bit wide SDR SDRAM.
- How many serial ports (SPORTs) does the ADSP-21488KSWZ-4B1 have?
The processor has 8 serial ports (SPORTs).
- What types of SPI ports are supported by the ADSP-21488KSWZ-4B1?
The processor supports 2 SPI-compatible ports in master and slave modes.
- Does the ADSP-21488KSWZ-4B1 support UART and Two-Wire Interface?
Yes, it supports both UART and Two-Wire Interface.
- How many PWM channels does the ADSP-21488KSWZ-4B1 have?
The processor has 16 Pulse Width Modulation (PWM) channels.
- What is the package type of the ADSP-21488KSWZ-4B1?
The package type is 176-Lead LQFP EPAD.
- Is the ADSP-21488KSWZ-4B1 code-compatible with previous SHARC Processors?
Yes, it is code-compatible with all prior SHARC Processors.
