Overview
The ADSP-21478KBCZ-3A 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 and advanced peripherals, making it suitable for various applications including automotive audio, industrial control, and battery-powered devices. The ADSP-21478 operates at a core clock speed of 266 MHz and delivers 1596 MFLOPs, making it an efficient choice for demanding signal processing tasks.
Key Specifications
| Specification | Details |
|---|---|
| Core Clock Speed | 266 MHz |
| Performance | 1596 MFLOPs |
| On-chip RAM | 3 Mbits |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Package Options | 196-ball CSP_BGA, 100-lead LQFP EPAD |
| Temperature Range | Commercial, Industrial, Automotive |
| Arithmetic Formats | 32-bit fixed-point, 32-/40-bit floating-point |
| Accelerators | FIR, IIR, FFT |
| Digital Applications Interface (DAI) | S/P DIF Tx/Rx, 8-channel asynchronous sample rate converter |
| Serial Ports (SPORTs) | 8 serial ports supporting I2S, left-justified sample pair, and TDM modes |
| Other Peripherals | Real-Time Clock (RTC), Watch Dog Timer, Shift Registers, SPI-compatible ports, UART, Two-Wire Interface, 16 PWM channels, 3 full-featured timers |
Key Features
- High Performance and Low Power: The ADSP-21478KBCZ-3A 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): Reduces code size by 20% to 30% and increases memory size availability.
- Digital Applications Interface (DAI): Provides user-definable access to peripherals such as S/P DIF Tx/Rx and an 8-channel asynchronous sample rate converter.
- Enhanced DMA Engine: Supports scatter/gather DMA, delay line DMA, and direct transfer of data from serial ports to external memory.
- Peripheral Interfaces: Includes SPI-compatible ports, UART, Two-Wire Interface, and 16 PWM channels.
- Code Compatibility: Completely code-compatible with all prior SHARC Processors.
Applications
- Automotive Audio: Suitable for automotive audio systems due to its low power consumption and high performance.
- Industrial Control: Ideal for industrial control applications requiring high processing power and low power consumption.
- Medical Imaging: Can be used in medical imaging applications due to its advanced signal processing capabilities.
- Communications: Applicable in various communication systems requiring high-performance signal processing.
- Motor Control: Suitable for motor control applications in industrial and automotive sectors.
Q & A
- What is the core clock speed of the ADSP-21478KBCZ-3A?
The core clock speed is 266 MHz.
- How much on-chip RAM does the ADSP-21478KBCZ-3A have?
The ADSP-21478KBCZ-3A has 3 Mbits of on-chip RAM.
- What types of arithmetic formats does the ADSP-21478KBCZ-3A support?
The ADSP-21478KBCZ-3A supports 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats.
- What are the package options for the ADSP-21478KBCZ-3A?
The package options include 196-ball CSP_BGA and 100-lead LQFP EPAD.
- What is the Digital Applications Interface (DAI) in the ADSP-21478KBCZ-3A?
The DAI provides user-definable access to peripherals such as S/P DIF Tx/Rx and an 8-channel asynchronous sample rate converter.
- Does the ADSP-21478KBCZ-3A support external memory?
Yes, it supports a glueless interface to 16-bit wide SDR SDRAMs.
- What are the temperature ranges for the ADSP-21478KBCZ-3A?
The temperature ranges include Commercial, Industrial, and Automotive.
- Is the ADSP-21478KBCZ-3A code-compatible with other SHARC Processors?
Yes, it is completely code-compatible with all prior SHARC Processors.
- What are some of the key peripherals included in the ADSP-21478KBCZ-3A?
The key peripherals include Real-Time Clock (RTC), Watch Dog Timer, Shift Registers, SPI-compatible ports, UART, Two-Wire Interface, and 16 PWM channels.
- What is the Variable Instruction Set Architecture (VISA) feature in the ADSP-21478KBCZ-3A?
The VISA feature reduces code size by 20% to 30% and increases memory size availability.
