Overview
The ADSP-21478KSWZ-2A is a high-performance, low-power digital signal processor (DSP) from Analog Devices Inc., part of the fourth generation SHARC Processor family. This DSP is designed to offer exceptional performance and efficiency, making it suitable for a variety of applications, including automotive audio, industrial control, and other high-demand signal processing tasks. The ADSP-21478 operates at a core clock speed of 266 MHz and delivers 1596 MFLOPs, making it an ideal choice for battery-powered devices and environments with high ambient operating temperatures.
Key Specifications
| Specification | Value |
|---|---|
| Core Clock Speed | 266 MHz |
| Performance | 1596 MFLOPs |
| On-chip RAM | 3 Mbits |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Package Type | 100-Lead LQFP (14mm x 14mm w/ heatsink) |
| Temperature Range | 0°C to 105°C |
| Accelerators | FIR, IIR, and FFT |
| Serial Ports | 8 SPORTs supporting I2S, left-justified sample pair, and TDM modes |
| PWM Channels | 16 |
| Timers | 3 full-featured timers |
| Other Peripherals | Real-Time Clock (RTC), Watch Dog Timer, Shift Registers, 2 SPI-compatible ports, UART, Two-Wire Interface |
Key Features
- High Performance and Low Power: The ADSP-21478KSWZ-2A offers high performance at 266 MHz and low power consumption, making it suitable for battery-powered applications and high-temperature environments.
- Advanced Accelerators: Includes FIR, IIR, and FFT accelerators to enhance system performance.
- Variable Instruction Set Architecture (VISA): Allows for a 20% to 30% reduction in code size and increased memory availability.
- Digital Applications Interface (DAI): Enables user-definable access to peripherals, including S/PDIF Tx/Rx and asynchronous sample rate converters.
- Enhanced DMA Engine: Features scatter/gather DMA, delay line DMA, and other advanced DMA capabilities.
- Peripheral and External Port Buses: Supports 32-bit data transfers and includes an asynchronous memory interface (AMI) and SDRAM controller.
- Multiple Communication Interfaces: Includes 8 serial ports (SPORTs), 2 SPI-compatible ports, UART, and a Two-Wire Interface.
Applications
- Automotive Audio: Ideal for automotive audio systems due to its low power consumption and high performance.
- Industrial Control: Suitable for industrial control applications requiring high signal processing capabilities.
- Medical Imaging: Can be used in medical imaging applications due to its advanced signal processing features.
- Communications: Applicable in various communication systems requiring high-performance DSP capabilities.
- Motor Control and Imaging: Useful in motor control and imaging applications where precise signal processing is necessary.
Q & A
- What is the core clock speed of the ADSP-21478KSWZ-2A?
The core clock speed is 266 MHz. - How much on-chip RAM does the ADSP-21478KSWZ-2A have?
The ADSP-21478KSWZ-2A has 3 Mbits of on-chip RAM. - What type of external memory interface does the ADSP-21478KSWZ-2A support?
The ADSP-21478KSWZ-2A supports a 16-bit wide SDR SDRAM external memory interface. - What are the key accelerators included in the ADSP-21478KSWZ-2A?
The key accelerators include FIR, IIR, and FFT accelerators. - How many PWM channels does the ADSP-21478KSWZ-2A have?
The ADSP-21478KSWZ-2A has 16 PWM channels. - What is the temperature range for the ADSP-21478KSWZ-2A?
The temperature range is 0°C to 105°C. - Does the ADSP-21478KSWZ-2A support code compatibility with previous SHARC processors?
Yes, it is code-compatible with all prior SHARC processors. - What types of communication interfaces are available on the ADSP-21478KSWZ-2A?
The ADSP-21478KSWZ-2A includes 8 serial ports (SPORTs), 2 SPI-compatible ports, UART, and a Two-Wire Interface. - What is the package type of the ADSP-21478KSWZ-2A?
The package type is a 100-Lead LQFP (14mm x 14mm w/ heatsink). - What are some of the key applications for the ADSP-21478KSWZ-2A?
Key applications include automotive audio, industrial control, medical imaging, communications, and motor control.
