Overview
The ADSP-21489KSWZ-3A, produced by Analog Devices Inc., is a high-performance digital signal processor (DSP) from the fourth generation of the SHARC Processor family. 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-21489 offers a core clock speed of 450 MHz and delivers 2700 MFLOPs, making it particularly suitable for demanding audio processing tasks and automotive audio systems.
Key Specifications
| Specification | Details |
|---|---|
| Core Clock Speed | 450 MHz |
| On-chip RAM | 5 Mbits |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Accelerators | FIR, IIR, FFT |
| Serial Ports | 8 (SPORTs) supporting I2S, left-justified sample pair, DSP Serial, and TDM modes |
| SPI Ports | 2 (SPI-compatible, master and slave modes) |
| UART and Two-Wire Interface | Yes |
| PWM Channels | 16 |
| Timers | 3 full-featured timers |
| Package Options | 100-Lead LQFP (14mm x 14mm w/ heatsink) |
| Temperature Range | 0°C ~ 110°C (Commercial), -40°C ~ 125°C (Industrial) |
Key Features
- High Performance Core: 450 MHz core clock speed with 2700 MFLOPs performance.
- Accelerators: Includes FIR, IIR, and FFT accelerators to enhance system performance.
- Memory Configuration: 5 Mbits of on-chip RAM and support for external 16-bit wide SDR SDRAM.
- Digital Applications Interface (DAI): Enables user-definable access to peripherals such as S/PDIF Tx/Rx and an 8-channel asynchronous sample rate converter.
- Variable Instruction Set Architecture (VISA): Reduces code size by 20% to 30% and increases memory size availability.
- Peripheral Support: Includes UART, Two-Wire Interface, SPI, and 16 PWM channels.
- Package Options: Available in 100-Lead LQFP and 176-Lead LQFP packages with heatsink.
Applications
- Automotive Audio: Suitable for high-performance automotive audio systems and surround-sound decoder algorithms.
- Industrial Control: Ideal for industrial control applications requiring high processing power and precision.
- Medical Imaging: Can be used in medical imaging and other high-performance signal processing tasks.
- Communications and Test Equipment: Applicable in various communication systems and test equipment due to its high processing capabilities.
- 3D Graphics and Speech Recognition: Suitable for applications involving 3D graphics and speech recognition.
Q & A
- What is the core clock speed of the ADSP-21489KSWZ-3A?
The core clock speed is 450 MHz.
- How much on-chip RAM does the ADSP-21489KSWZ-3A have?
The ADSP-21489KSWZ-3A has 5 Mbits of on-chip RAM.
- What types of accelerators are included in the ADSP-21489KSWZ-3A?
The processor includes FIR, IIR, and FFT accelerators.
- What is the Digital Applications Interface (DAI) in the ADSP-21489KSWZ-3A?
The DAI enables user-definable access to peripherals such as S/PDIF Tx/Rx and an 8-channel asynchronous sample rate converter.
- What is the Variable Instruction Set Architecture (VISA) feature?
VISA reduces code size by 20% to 30% and increases memory size availability.
- What are the package options for the ADSP-21489KSWZ-3A?
Available in 100-Lead LQFP and 176-Lead LQFP packages with heatsink.
- What is the temperature range for the ADSP-21489KSWZ-3A?
The temperature range is 0°C ~ 110°C for commercial and -40°C ~ 125°C for industrial grades.
- How many serial ports does the ADSP-21489KSWZ-3A have?
The processor has 8 serial ports (SPORTs) supporting various modes.
- Does the ADSP-21489KSWZ-3A support external memory?
Yes, it supports external 16-bit wide SDR SDRAM through a glueless interface.
- What are some of the key applications for the ADSP-21489KSWZ-3A?
Key applications include automotive audio, industrial control, medical imaging, communications, and test equipment.
