ADSP-21478KSWZ-2A

Product Overview

Category

The ADSP-21478KSWZ-2A belongs to the category of digital signal processors (DSPs).

Use

This DSP is designed for a wide range of applications that require high-performance signal processing, such as audio and video processing, telecommunications, industrial control systems, and automotive applications.

Characteristics

• High-performance signal processing capabilities
• Low power consumption
• Integrated peripherals for enhanced functionality
• Flexible programming options
• Real-time processing capabilities

Package

The ADSP-21478KSWZ-2A comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of the ADSP-21478KSWZ-2A lies in its ability to efficiently process complex algorithms and perform real-time signal processing tasks with low latency.

Packaging/Quantity

The ADSP-21478KSWZ-2A is typically packaged in trays or reels, with a quantity of 100 units per tray/reel.

Specifications

• Architecture: 32-bit fixed-point
• Clock Speed: Up to 400 MHz
• Instruction Set: Modified Harvard architecture
• Data Memory: Up to 512 KB on-chip SRAM
• Program Memory: Up to 2 MB on-chip Flash memory
• I/O Interfaces: Multiple serial ports, SPI, I2C, GPIO
• Analog-to-Digital Converters (ADC): Up to 8 channels, 24-bit resolution
• Digital-to-Analog Converters (DAC): Up to 4 channels, 24-bit resolution

Detailed Pin Configuration

The ADSP-21478KSWZ-2A has a total of 144 pins. The pin configuration is as follows:

• Pins 1-16: Digital I/O
• Pins 17-32: Analog I/O
• Pins 33-48: Power supply and ground
• Pins 49-64: Serial communication interfaces
• Pins 65-80: Clock and reset signals
• Pins 81-96: External memory interface
• Pins 97-112: Debug and emulation interfaces
• Pins 113-128: Additional digital I/O
• Pins 129-144: Reserved for future use

Functional Features

• High-performance signal processing capabilities enable complex algorithm execution.
• Integrated peripherals, such as ADCs and DACs, enhance the functionality of the DSP.
• Real-time processing capabilities allow for time-sensitive applications.
• Flexible programming options, including C/C++ and assembly languages, provide ease of development.

Advantages and Disadvantages

Advantages

• High-performance signal processing capabilities
• Low power consumption
• Integrated peripherals for enhanced functionality
• Real-time processing capabilities
• Flexible programming options

Disadvantages

• Limited availability of alternative models
• Relatively high cost compared to some other DSPs in the market

Working Principles

The ADSP-21478KSWZ-2A operates on a 32-bit fixed-point architecture. It executes instructions fetched from its on-chip Flash memory and processes data stored in its on-chip SRAM. The DSP performs arithmetic and logical operations on the data using its ALU (Arithmetic Logic Unit) and specialized hardware accelerators. The processed data is then sent to external devices or used for further computations.

Detailed Application Field Plans

The ADSP-21478KSWZ-2A finds applications in various fields, including:

1. Audio and Video Processing: The DSP can be used in audio and video equipment to perform real-time processing, such as noise cancellation, audio effects, and video encoding/decoding.
2. Telecommunications: The DSP can be utilized in telecommunications systems for tasks like voice compression, echo cancellation, and modulation/demodulation.
3. Industrial Control Systems: The DSP can be integrated into industrial control systems to handle tasks like motor control, sensor data processing, and feedback control loops.
4. Automotive Applications: The DSP can be employed in automotive systems for functions like audio processing, advanced driver assistance systems (ADAS), and engine control.

Detailed and Complete Alternative Models

While the ADSP-21478KSWZ-2A is a highly capable DSP, there are alternative models available in the market that offer similar functionalities. Some notable alternatives include:

1. ADSP-21479KCPZ-3A by Analog Devices
2. TMS320C6748 by Texas Instruments
3. STM32F769I-DISCO by STMicroelectronics

These alternative models provide comparable performance and features, allowing users to choose the most suitable option based on their specific requirements.

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