Overview
The ADSP-21489BSWZ-4A is a high-performance digital signal processor (DSP) designed by Analog Devices, Inc. It is part of the fourth generation of SHARC Processors and is tailored for demanding audio and signal processing applications. This DSP is renowned for its robust processing power, efficient energy consumption, and advanced features such as hardware-based filter accelerators and specialized audio peripherals. It is particularly suited for professional audio equipment, consumer electronics, and industrial systems, offering seamless compatibility with other SHARC Processors for easy integration and code sharing.
Key Specifications
| Parameter | Value |
|---|---|
| Product | DSPs |
| Core | SHARC |
| Number of Cores | 1 Core |
| Maximum Clock Frequency | 400 MHz |
| Program Memory Size | 640 kB |
| Operating Supply Voltage | 1.1 V |
| Mounting Style | SMD/SMT |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Data Bus Width | 32 bit |
| I/O Voltage | 3.13 V to 3.47 V |
| Instruction Type | Floating Point |
| Package/Case | 100-Lead LQFP (14mm x 14mm w/ heatsink) |
Key Features
- Multi-tasking capabilities with priority scheduling
- Advanced audio effects processing
- Real-time status monitoring
- FIR, IIR, and FFT accelerators
- 16-bit wide SDR SDRAM external memory interface
- Digital Applications Interface (DAI) enabling user-definable access to peripherals
- Eight serial ports (SPORTs) supporting I2S, left-justified sample pair, DSP Serial and TDM modes
- Two SPI-compatible ports supporting master and slave modes
- UART and Two-Wire Interface
- Sixteen Pulse Width Modulation (PWM) channels
- Three full-featured timers
- Variable Instruction Set Architecture (VISA) for reduced code size and increased memory availability
Applications
The ADSP-21489BSWZ-4A is versatile and can be used in a variety of applications, including:
- Professional audio equipment: Ideal for high-performance audio processing tasks such as surround-sound decoding and advanced audio effects.
- Consumer electronics: Suitable for consumer audio devices that require robust signal processing capabilities.
- Industrial systems: Used in industrial control systems and communications systems where real-time signal processing is critical.
- Automotive electronics: Applicable in automotive audio and control systems due to its high performance and low power consumption.
Q & A
- What is the core clock speed of the ADSP-21489BSWZ-4A?
The core clock speed of the ADSP-21489BSWZ-4A is 400 MHz. - What type of memory does the ADSP-21489BSWZ-4A support?
The ADSP-21489BSWZ-4A supports 640 kB of program memory and has a 16-bit wide SDR SDRAM external memory interface. - What are the operating temperature ranges for the ADSP-21489BSWZ-4A?
The operating temperature ranges are from -40°C to +85°C. - What are the key features of the ADSP-21489BSWZ-4A?
The key features include FIR, IIR, and FFT accelerators, multi-tasking capabilities, advanced audio effects processing, and a Digital Applications Interface (DAI). - What types of interfaces does the ADSP-21489BSWZ-4A support?
The ADSP-21489BSWZ-4A supports multiple I2C, SPI, UART, and GPIO interfaces, as well as eight serial ports (SPORTs) and two SPI-compatible ports. - What is the package type of the ADSP-21489BSWZ-4A?
The ADSP-21489BSWZ-4A is available in a 100-Lead LQFP package (14mm x 14mm w/ heatsink). - What are some typical applications of the ADSP-21489BSWZ-4A?
Typical applications include professional audio equipment, consumer electronics, industrial systems, and automotive electronics. - Does the ADSP-21489BSWZ-4A support floating-point arithmetic?
Yes, the ADSP-21489BSWZ-4A supports both 32-bit fixed-point and 32-/40-bit floating-point arithmetic formats. - What is the Variable Instruction Set Architecture (VISA) feature in the ADSP-21489BSWZ-4A?
The Variable Instruction Set Architecture (VISA) allows the code size to be decreased by 20% to 30% and increases the memory size availability. - Are there any equivalent products to the ADSP-21489BSWZ-4A?
While there are no direct equivalent products, alternatives with similar functionalities include the ADSP-21479BSWZ-4A, ADSP-21489BCPZ-4A, or ADSP-21489KSWZ-4A chips.
