Overview
The ADSP-21479KSWZ-2A, produced by Analog Devices Inc., is a high-performance, low-power digital signal processor (DSP) within the fourth generation SHARC Processor family. This DSP is designed to offer exceptional performance and efficiency, making it suitable for a wide range of applications, including automotive audio, industrial control, and other high-performance signal processing tasks.
With a core clock speed of up to 266 MHz and delivering 1596 MFLOPs, this processor is optimized for both 32-bit fixed-point and 32-/40-bit floating-point arithmetic. The ADSP-21479KSWZ-2A features advanced peripherals and hardware accelerators, such as FIR, IIR, and FFT accelerators, which enhance the overall system performance.
The processor is available in a 100-lead LQFP package and supports various temperature ranges, including commercial, industrial, and automotive grades, making it versatile for different environmental conditions.
Key Specifications
| Specification | Details |
|---|---|
| Core Clock Speed | Up to 266 MHz |
| Performance | 1596 MFLOPs |
| On-Chip RAM | 5 Mbits |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Package Type | 100-Lead LQFP (14mm x 14mm with heatsink) |
| Temperature Range | Commercial, Industrial, Automotive (0°C to 105°C) |
| Arithmetic Formats | 32-bit fixed-point, 32-/40-bit floating-point |
| Peripheral Interfaces | DAI, SPI, UART, Two-Wire Interface, S/PDIF Tx/Rx, ASRC, PWM |
| Timers and Counters | 3 full-featured timers, Watch Dog Timer, Shift Registers |
Key Features
- High Performance and Low Power: The ADSP-21479KSWZ-2A offers high performance with low power consumption, making it suitable for battery-powered applications and high-temperature environments.
- Hardware 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.
- Advanced Peripherals: Features a Digital Applications Interface (DAI), 8-channel asynchronous sample rate converter, S/PDIF transceiver, and precision clock generators.
- Memory and Interface: Supports a glueless interface to 16-bit wide SDR SDRAMs and includes a fully enhanced DMA engine with scatter/gather DMA and delay line DMA.
- Serial Ports and Communication: Includes 8 serial ports (SPORTs) supporting I2S, left-justified sample pair, and TDM modes, along with SPI-compatible ports and a UART.
- PWM and Timers: Features 16 Pulse Width Modulation (PWM) channels and 3 full-featured timers.
Applications
- Automotive Audio: Qualified for automotive applications, making it ideal for in-car audio systems and other automotive signal processing tasks.
- Industrial Control: Suitable for industrial control systems where low power and high performance are critical.
- Medical Imaging and Communications: Can be used in medical imaging, communications, and other high-performance signal processing applications.
- Test Equipment and 3D Graphics: Applicable in test equipment, 3D graphics, speech recognition, and motor control.
Q & A
- What is the core clock speed of the ADSP-21479KSWZ-2A?
The core clock speed is up to 266 MHz.
- What is the performance of the ADSP-21479KSWZ-2A in MFLOPs?
The performance is 1596 MFLOPs.
- How much on-chip RAM does the ADSP-21479KSWZ-2A have?
The ADSP-21479KSWZ-2A has 5 Mbits of on-chip RAM.
- What type of external memory interface does the ADSP-21479KSWZ-2A support?
The ADSP-21479KSWZ-2A supports a 16-bit wide SDR SDRAM external memory interface.
- What are the key hardware accelerators included in the ADSP-21479KSWZ-2A?
The key hardware accelerators include FIR, IIR, and FFT accelerators.
- What is the Variable Instruction Set Architecture (VISA) and its benefits?
VISA allows for a 20% to 30% reduction in code size and increases memory availability.
- What types of serial ports and communication interfaces are available on the ADSP-21479KSWZ-2A?
The ADSP-21479KSWZ-2A includes 8 serial ports (SPORTs) supporting I2S, left-justified sample pair, and TDM modes, along with SPI-compatible ports and a UART.
- What are the temperature ranges supported by the ADSP-21479KSWZ-2A?
The ADSP-21479KSWZ-2A supports commercial, industrial, and automotive temperature ranges (0°C to 105°C).
- What are some of the key applications for the ADSP-21479KSWZ-2A?
Key applications include automotive audio, industrial control, medical imaging, communications, and test equipment.
- What is the package type of the ADSP-21479KSWZ-2A?
The package type is a 100-Lead LQFP (14mm x 14mm with heatsink).
