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

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.