Overview
The ADSP-21489KSWZ-4B is a high-performance digital signal processor (DSP) from Analog Devices, part of the fourth generation of the SHARC (Super Harvard Architecture) family. This processor is optimized for high-performance audio applications and is particularly suited for automotive audio and industrial control segments. It features a 450 MHz core clock speed, delivering 2700 MFLOPS, and includes additional processing blocks such as FIR, IIR, and FFT accelerators to enhance system performance. The ADSP-21489 also supports a Variable Instruction Set Architecture (VISA) that reduces code size by 20% to 30% and increases memory availability.
Key Specifications
| Parameter | Value |
|---|---|
| Core Clock Speed | 450 MHz |
| Performance | 2700 MFLOPS |
| On-chip RAM | 5 Mbits |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Package Options | 176-lead LQFP EPAD, 100-lead LQFP EPAD, 88-lead LFCSP |
| Temperature Range | 0°C to +110°C |
| Serial Ports | 8 SPORTs (supporting I2S, left-justified sample pair, DSP Serial, and TDM modes) |
| SPI Ports | 2 SPI-compatible ports (master and slave modes) |
| UART and Two-Wire Interface | Yes |
| PWM Channels | 16 |
| Timers | 3 full-featured timers |
Key Features
- High-performance floating-point processor optimized for high-performance audio processing.
- SIMD (Single-Instruction, Multiple-Data) computational architecture.
- Code compatible with other SHARC family members.
- FIR, IIR, and FFT accelerators.
- Digital Applications Interface (DAI) with precision clock generators, S/PDIF transceiver, and asynchronous sample rate converters.
- Enhanced DMA engine including scatter/gather DMA and delay line DMA.
- Thermal diode and VISA support.
- IDP/PDAP, UART, DAI (SRU)/DPI (SRU2), S/PDIF transceiver, SPI, and TWI interfaces.
- Direct DMA from SPORTs to external port (external memory).
Applications
- Automotive audio systems.
- Industrial control systems.
- High-quality audio processing.
- Medical imaging.
- Communications.
- Military and test equipment.
- 3D graphics and speech recognition.
- Motor control and imaging applications.
Q & A
- What is the core clock speed of the ADSP-21489KSWZ-4B?
The core clock speed is 450 MHz.
- What is the performance of the ADSP-21489KSWZ-4B in MFLOPS?
The performance is 2700 MFLOPS.
- How much on-chip RAM does the ADSP-21489KSWZ-4B have?
The ADSP-21489KSWZ-4B has 5 Mbits of on-chip RAM.
- What types of external memory interfaces does the ADSP-21489KSWZ-4B support?
The ADSP-21489KSWZ-4B supports a 16-bit wide SDR SDRAM external memory interface.
- What are the package options for the ADSP-21489KSWZ-4B?
The package options include 176-lead LQFP EPAD, 100-lead LQFP EPAD, and 88-lead LFCSP.
- What is the temperature range for the ADSP-21489KSWZ-4B?
The temperature range is 0°C to +110°C.
- How many serial ports does the ADSP-21489KSWZ-4B have?
The ADSP-21489KSWZ-4B has 8 serial ports (SPORTs).
- Does the ADSP-21489KSWZ-4B support SPI and UART interfaces?
Yes, it supports 2 SPI-compatible ports and 1 UART.
- What is the purpose of the Digital Applications Interface (DAI) in the ADSP-21489KSWZ-4B?
The DAI enables user-definable access to peripherals including S/PDIF Tx/Rx, asynchronous sample rate converters, and more.
- What are some of the applications for the ADSP-21489KSWZ-4B?
Applications include automotive audio, industrial control, high-quality audio processing, medical imaging, and more.
