Overview
The ADSP-21489KSWZ-5B 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 segments, offering a 450 MHz core clock speed and 2700 MFLOPs of processing power. 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 is code-compatible with all prior SHARC processors and offers enhanced performance, hardware-based filter accelerators, and advanced peripherals.
Key Specifications
| Specification | Value |
|---|---|
| Core Clock Speed | 450 MHz |
| On-chip RAM | 5 Mbits |
| On-chip ROM | 4 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 | 176-Lead LQFP EPAD, 100-Lead LQFP EPAD, 88-Lead LFCSP |
| Temperature Range | Commercial and Industrial |
Key Features
- High-performance 32-bit/40-bit floating-point processor optimized for high-performance audio processing.
- Single-instruction, multiple-data (SIMD) computational architecture.
- Digital Applications Interface (DAI) enabling user-definable access to peripherals.
- Fully enhanced DMA engine including scatter/gather DMA, delay line DMA.
- Variable Instruction Set Architecture (VISA) for reduced code size and increased memory availability.
- On-chip SRAM and mask-programmable ROM.
- JTAG test access port for emulation and boundary scan.
- Peripheral and external port buses for core connection.
Applications
The ADSP-21489KSWZ-5B is particularly well-suited for high-performance audio applications, such as automotive audio systems and industrial control segments. Its advanced features and high processing power also make it suitable for other applications requiring intensive signal processing, such as professional audio equipment, medical devices, and various industrial automation systems.
Q & A
- What is the core clock speed of the ADSP-21489KSWZ-5B?
The core clock speed is 450 MHz. - How much on-chip RAM does the ADSP-21489KSWZ-5B have?
The processor has 5 Mbits of on-chip RAM. - What types of accelerators are included in the ADSP-21489KSWZ-5B?
The processor includes FIR, IIR, and FFT accelerators. - How many serial ports does the ADSP-21489KSWZ-5B have?
The processor has 8 serial ports (SPORTs). - Does the ADSP-21489KSWZ-5B support SPI and UART interfaces?
Yes, it supports 2 SPI-compatible ports and a UART interface. - What is the Variable Instruction Set Architecture (VISA) feature?
VISA allows the code size to be decreased by 20% to 30% and increases the memory size availability. - What are the package options for the ADSP-21489KSWZ-5B?
The package options include 176-Lead LQFP EPAD, 100-Lead LQFP EPAD, and 88-Lead LFCSP. - What are the typical applications of the ADSP-21489KSWZ-5B?
The processor is typically used in high-performance audio applications and industrial control segments. - Is the ADSP-21489KSWZ-5B code-compatible with previous SHARC processors?
Yes, it is code-compatible with all prior SHARC processors. - What is the temperature range for the ADSP-21489KSWZ-5B?
The temperature range includes both commercial and industrial grades.
