ADSP-21489 Original Integrated Circuit LQFP-176 ADSP-21489BSWZ-4B

Product Specification

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Product Details: ADSP-21489BSWZ-4B

Introduction: The ADSP-21489BSWZ-4B is a high-performance, audio-optimized digital signal processor (DSP) from Analog Devices. This versatile and power-efficient processor is designed to meet the demands of audio and signal processing applications, making it an excellent choice for a wide range of industries. In this product overview, we will explore its key features, specifications, advantages, and applications.

Key Features and Benefits:

1. High-Performance Signal Processing:

• The ADSP-21489BSWZ-4B is powered by a 32-bit/40-bit floating-point core, enabling complex signal processing tasks with precision.
• A core clock speed of up to 450 MHz ensures rapid execution of algorithms.

2. Audio Optimization:

• Designed with audio applications in mind, it offers an extensive instruction set tailored for audio processing, such as FIR and IIR filters.
• Superior audio quality and low latency, making it ideal for audio effects and audio processing equipment.

3. Extensive On-Chip Memory:

• 176 KB of on-chip SRAM and 1Mbit of on-chip flash memory for program storage.
• This memory is essential for data buffering, program execution, and data storage.

4. Multiple Communication Interfaces:

• It features multiple serial communication ports, including SPI, I2C, and UART, for easy integration with other devices.
• This enables seamless data exchange and control in various applications.

5. Wide Operating Voltage Range:

• Operates from 1.65V to 1.95V, accommodating a variety of power supply options.
• Efficient power management extends battery life in portable applications.

6. Real-Time Debugging:

• Integrated on-chip debugging support streamlines the development and debugging process.
• Real-time data monitoring and code execution analysis enhance development efficiency.

Specifications:

Processor:

• 32-bit/40-bit floating-point core
• Clock Speed: Up to 450 MHz
• Extended Precision Mode: 40-bit
• Arithmetic Instructions: Single-cycle

Memory:

• 176 KB On-Chip SRAM
• 1Mbit On-Chip Flash Memory

Audio Features:

• Optimized audio instruction set
• Superior audio quality and low latency
• Support for FIR and IIR filters

Communication Interfaces:

• 4x SPI, 2x I2C, 3x UART
• SPORTs (Serial Ports) for audio data transfer
• External memory interfaces for expanded storage

Operating Voltage:

• 1.65V to 1.95V
• Low power consumption for energy-efficient operation

Debugging Support:

• On-chip debugging via JTAG and serial ports
• Real-time data monitoring and analysis

Key Advantages:

1. High-Performance Audio Processing:

• The ADSP-21489BSWZ-4B is specifically engineered for audio applications, providing the computational power and precision required for audio signal processing.
• Its support for extended precision (40-bit) arithmetic ensures accurate results in critical audio processing tasks.

2. Versatile Memory Options:

• The on-chip memory options (SRAM and Flash) facilitate efficient data buffering and program storage, reducing the need for external memory components.
• This versatility simplifies the design of audio and signal processing systems.

3. Extensive Communication Interfaces:

• Multiple communication interfaces support seamless connectivity with external devices, making it adaptable to a variety of applications.
• The dedicated SPORTs for audio data transfer are particularly beneficial for audio equipment.

4. Low Power Operation:

• With its wide operating voltage range and energy-efficient design, this processor is well-suited for battery-operated and power-sensitive applications.
• It minimizes power consumption while delivering high performance.

5. Real-Time Debugging:

• The integrated debugging support streamlines the development process by providing real-time insights into program execution and data flow.
• This feature accelerates the development and testing of audio and signal processing algorithms.

Applications:

The ADSP-21489BSWZ-4B finds applications across various industries, including:

1. Audio and Music Equipment:

• Professional audio mixers and processors
• Digital effects processors
• Musical synthesizers and digital pianos

2. Telecommunications:

• Echo cancellation and noise reduction in VoIP systems
• Audio processing in conferencing equipment

3. Automotive Audio Systems:

• In-car entertainment systems
• Advanced driver-assistance systems (ADAS) with audio components

4. Industrial Automation:

• Data acquisition and control systems
• Motor control and industrial robotics

5. Medical Devices:

• Medical imaging equipment
• Hearing aids and cochlear implants

6. Consumer Electronics:

• Home theater systems
• High-quality soundbars and audio amplifiers

Conclusion:

The ADSP-21489BSWZ-4B stands as a powerful, audio-optimized digital signal processor, catering to the intricate demands of audio and signal processing applications. With its high-performance 32-bit/40-bit floating-point core, extensive memory options, and multiple communication interfaces, it offers versatile solutions for a multitude of industries. Not only does it excel in audio processing tasks, but its low power operation and real-time debugging capabilities make it an excellent choice for energy-efficient and streamlined development in various applications. Whether you are designing professional audio equipment, telecommunications systems, or automotive audio solutions, the ADSP-21489BSWZ-4B delivers the precision and performance required for success in your industry.

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