Overview
The ADSP-21479BSWZ-2A is a high-performance, low-power floating-point Digital Signal Processor (DSP) from Analog Devices Inc., part of the fourth generation SHARC Processor family. This processor is designed to offer exceptional performance and efficiency, making it suitable for a wide range of applications, including automotive audio, industrial control, and other demanding environments. With a core clock speed of up to 266 MHz and delivering 1596 MFLOPs, it is particularly well-suited for battery-powered applications and high-ambient operating temperatures.
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 Options | 196-ball CSP_BGA, 100-lead LQFP_EP |
| Temperature Range | Commercial, Industrial, Automotive (-40°C to +125°C) |
| Arithmetic Formats | 32-bit fixed-point, 32-/40-bit floating-point |
| Accelerators | FIR, IIR, FFT |
| Serial Ports | 8 SPORTs supporting I2S, left-justified sample pair, and TDM modes |
| PWM Channels | 16 Pulse Width Modulation channels |
| Timers | 3 full-featured timers |
| Other Peripherals | UART, Two-Wire Interface, SPI-compatible ports, Real-Time Clock (RTC), Watch Dog Timer, Shift Registers |
Key Features
- High Performance and Low Power: The ADSP-21479 offers high performance at 266 MHz and low power consumption, making it ideal for battery-powered and high-temperature applications.
- Advanced Arithmetic Capabilities: Supports both 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats.
- Hardware Accelerators: Includes FIR, IIR, and FFT accelerators to enhance system performance.
- Variable Instruction Set Architecture (VISA): Reduces code size by 20% to 30% and increases memory availability.
- Digital Applications Interface (DAI): Enables user-definable access to peripherals such as S/PDIF Tx/Rx and asynchronous sample rate converters.
- Enhanced DMA Engine: Features scatter/gather DMA, delay line DMA, and other advanced DMA capabilities.
- Rich Set of Peripherals: Includes UART, Two-Wire Interface, SPI-compatible ports, Real-Time Clock (RTC), Watch Dog Timer, Shift Registers, and more.
Applications
- Automotive Audio: Qualified for automotive applications, making it suitable for in-car audio systems and other automotive electronics.
- Industrial Control: Ideal for industrial control systems due to its high performance and low power consumption.
- Medical Imaging: Can be used in medical imaging applications requiring high processing power and precision.
- Communications: Suitable for various communication systems, including those requiring real-time signal processing.
- Military and Test Equipment: Used in military and test equipment applications where reliability and performance are critical.
- 3D Graphics and Speech Recognition: Can be applied in 3D graphics processing and speech recognition systems.
- Motor Control and Imaging: Applicable in motor control and imaging applications that require advanced signal processing.
Q & A
- What is the core clock speed of the ADSP-21479BSWZ-2A?
The core clock speed of the ADSP-21479BSWZ-2A is up to 266 MHz.
- How much on-chip RAM does the ADSP-21479BSWZ-2A have?
The ADSP-21479BSWZ-2A has 5 Mbits of on-chip RAM.
- What types of arithmetic formats does the ADSP-21479BSWZ-2A support?
The ADSP-21479BSWZ-2A supports both 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats.
- What are the package options available for the ADSP-21479BSWZ-2A?
The package options include 196-ball CSP_BGA and 100-lead LQFP_EP.
- What is the temperature range for the ADSP-21479BSWZ-2A?
The temperature range is -40°C to +125°C, covering commercial, industrial, and automotive applications.
- Does the ADSP-21479BSWZ-2A have any hardware accelerators?
Yes, it includes FIR, IIR, and FFT accelerators to enhance system performance.
- What is the Variable Instruction Set Architecture (VISA) feature?
VISA reduces code size by 20% to 30% and increases memory availability.
- What peripherals are supported by the Digital Applications Interface (DAI)?
The DAI supports peripherals such as S/PDIF Tx/Rx and asynchronous sample rate converters.
- How many PWM channels does the ADSP-21479BSWZ-2A have?
The ADSP-21479BSWZ-2A has 16 Pulse Width Modulation (PWM) channels.
- Is the ADSP-21479BSWZ-2A qualified for automotive applications?
Yes, it is qualified for automotive applications.
