Overview
The ADSP-21479KBCZ-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 high core performance of up to 266 MHz and 1596 MFLOPs, making it suitable for applications requiring both high processing power and low power consumption. The ADSP-21479 is particularly well-suited for automotive audio and various industrial control segments where low power is a critical requirement.
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 |
| Temperature Range | Commercial, Industrial, Automotive (0°C to 105°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 with low power consumption, making it ideal for battery-powered applications and high-temperature environments.
- Audio-Centric Peripherals: Includes digital applications interface, S/PDIF transceiver, asynchronous sample rate converters, and precision clock generators, which are particularly useful for audio processing applications.
- Advanced DMA Engine: Features a fully enhanced DMA engine with scatter/gather DMA and delay line DMA for efficient data transfer.
- Variable Instruction Set Architecture (VISA): Allows for a reduction in code size by 20% to 30% and increases memory size availability.
- Peripheral Interface: Supports a wide range of peripherals including UART, Two-Wire Interface, SPI-compatible ports, and more.
Applications
- Automotive Audio: Qualified for automotive applications, it is well-suited for in-car audio systems and other automotive audio processing needs.
- Industrial Control: Ideal for various industrial control segments where low power consumption is critical.
- Medical Imaging and Communications: Supports applications in medical imaging, communications, and other high-performance signal processing tasks.
- Speech Recognition and Motor Control: Can be used in speech recognition, motor control, and other applications requiring advanced signal processing capabilities.
Q & A
- What is the core clock speed of the ADSP-21479KBCZ-2A?
The core clock speed of the ADSP-21479KBCZ-2A is up to 266 MHz.
- How much on-chip RAM does the ADSP-21479KBCZ-2A have?
The ADSP-21479KBCZ-2A has 5 Mbits of on-chip RAM.
- What types of arithmetic formats does the ADSP-21479KBCZ-2A support?
The ADSP-21479KBCZ-2A supports 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats.
- What are the available package options for the ADSP-21479KBCZ-2A?
The available package options are 196-ball CSP_BGA and 100-lead LQFP.
- What is the temperature range for the ADSP-21479KBCZ-2A?
The temperature range is 0°C to 105°C, covering commercial, industrial, and automotive grades.
- Does the ADSP-21479KBCZ-2A support external memory interfaces?
Yes, it supports a 16-bit wide SDR SDRAM external memory interface.
- What accelerators are included in the ADSP-21479KBCZ-2A?
The ADSP-21479KBCZ-2A includes FIR, IIR, and FFT accelerators.
- How many serial ports does the ADSP-21479KBCZ-2A have?
The ADSP-21479KBCZ-2A has 8 serial ports (SPORTs) supporting I2S, left-justified sample pair, and TDM modes.
- What is the Variable Instruction Set Architecture (VISA) feature?
VISA allows for a reduction in code size by 20% to 30% and increases memory size availability.
- Is the ADSP-21479KBCZ-2A qualified for automotive applications?
Yes, the ADSP-21479KBCZ-2A is qualified for automotive applications.
