Overview
The ADSP-21489KSWZ-3B is a high-performance digital signal processor (DSP) from Analog Devices Inc., part of the fourth generation of SHARC (Super Harvard Architecture) processors. This processor is optimized for high-performance audio applications and industrial control systems. 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-21489KSWZ-3B operates at a core clock speed of 450 MHz, delivering 2700 MFLOPs, making it particularly suitable for demanding audio and industrial applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Clock Speed | 450 MHz |
| On-Chip RAM | 5 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 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 Options | 176-lead LQFP EPAD |
| Temperature Range | 0 to 70°C (commercial), -40 to +85°C (industrial) |
Key Features
- High-Performance Core: 450 MHz core clock speed with 2700 MFLOPs performance.
- Memory and Accelerators: 5 Mbits of on-chip RAM, FIR, IIR, and FFT accelerators.
- External Memory Interface: 16-bit wide SDR SDRAM interface.
- Peripheral Interfaces: Digital Applications Interface (DAI), 8 serial ports (SPORTs), 2 SPI 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): Reduces code size by 20% to 30% and increases memory size availability.
- Audio and Industrial Focus: Optimized for high-performance audio applications and industrial control systems.
Applications
- Automotive Audio Systems: Suitable for advanced automotive audio systems due to its high performance and audio-focused peripherals.
- Industrial Control Systems: Ideal for industrial control applications requiring high computational power and precision.
- Surround-Sound Decoders: Supports the latest surround-sound decoder algorithms.
- General Audio Processing: Optimized for various high-performance audio processing tasks.
Q & A
- What is the core clock speed of the ADSP-21489KSWZ-3B?
The core clock speed is 450 MHz.
- How much on-chip RAM does the ADSP-21489KSWZ-3B have?
The processor has 5 Mbits of on-chip RAM.
- What types of accelerators are included in the ADSP-21489KSWZ-3B?
The processor includes FIR, IIR, and FFT accelerators.
- How many serial ports (SPORTs) does the ADSP-21489KSWZ-3B have?
The processor has 8 serial ports (SPORTs).
- Does the ADSP-21489KSWZ-3B support SPI and UART interfaces?
- What is the temperature range for the ADSP-21489KSWZ-3B?
The temperature range is 0 to 70°C (commercial) and -40 to +85°C (industrial).
- What package options are available for the ADSP-21489KSWZ-3B?
The available package options include 176-lead LQFP EPAD.
- Is the ADSP-21489KSWZ-3B compatible with previous SHARC processors?
- What is the Variable Instruction Set Architecture (VISA) feature?
VISA reduces code size by 20% to 30% and increases memory size availability.
- What are some typical applications of the ADSP-21489KSWZ-3B?
Typical applications include automotive audio systems, industrial control systems, and general high-performance audio processing.
