Overview
The ADSP-21478BBCZ-2A, produced by Analog Devices Inc., is a high-performance digital signal processor (DSP) from the fourth generation SHARC Processor family. This processor is distinguished by its low power consumption and high core clock speed of 266 MHz, achieving 1596 MFLOPs. It is available in both BGA and LQFP packages, making it suitable for various applications, particularly in automotive audio and industrial control segments where low power is a critical requirement.
Key Specifications
| Parameter | Value |
|---|---|
| Core Clock Speed | 266 MHz |
| On-chip RAM | 3 Mbits |
| External Memory Interface | 16-bit wide SDR SDRAM |
| Package Type | 196-ball CSP_BGA, 100-lead LQFP EPAD |
| Operating Supply Voltage | 1.2 V |
| Temperature Range | Commercial, Industrial, and Automotive (-40°C to +125°C) |
| Program Memory Size | 384 kB |
Key Features
- FIR, IIR, and FFT accelerators for enhanced performance
- Digital Applications Interface (DAI) with user-definable access to peripherals
- Enhanced DMA engine with scatter/gather DMA and delay line DMA
- 8 serial ports (SPORTs) supporting I2S, left-justified sample pair, and TDM modes
- Real-Time Clock (RTC) and Watch Dog Timer
- 2 SPI-compatible ports supporting master and slave modes
- UART and Two-Wire Interface
- 16 Pulse Width Modulation (PWM) channels
- 3 full-featured timers
- Variable Instruction Set Architecture (VISA) for reduced code size and increased memory availability
Applications
The ADSP-21478BBCZ-2A is versatile and can be applied in various fields, including:
- Automotive audio systems
- Industrial control systems
- High-quality audio processing
- Medical imaging
- Communications
- Military and test equipment
- 3D graphics and speech recognition
- Motor control and imaging applications
Q & A
- What is the core clock speed of the ADSP-21478BBCZ-2A?
The core clock speed is 266 MHz. - How much on-chip RAM does the ADSP-21478BBCZ-2A have?
The ADSP-21478BBCZ-2A has 3 Mbits of on-chip RAM. - What types of memory interfaces does the ADSP-21478BBCZ-2A support?
The ADSP-21478BBCZ-2A supports a 16-bit wide SDR SDRAM external memory interface. - What are the available package types for the ADSP-21478BBCZ-2A?
The available package types are 196-ball CSP_BGA and 100-lead LQFP EPAD. - What is the operating supply voltage for the ADSP-21478BBCZ-2A?
The operating supply voltage is 1.2 V. - What are the temperature ranges supported by the ADSP-21478BBCZ-2A?
The temperature ranges include Commercial, Industrial, and Automotive (-40°C to +125°C). - Does the ADSP-21478BBCZ-2A support any accelerators for DSP operations?
Yes, it supports FIR, IIR, and FFT accelerators. - What is the Variable Instruction Set Architecture (VISA) feature in the ADSP-21478BBCZ-2A?
VISA allows for a reduction in code size by 20% to 30% and increases the available memory size. - What peripherals are included in the Digital Applications Interface (DAI) of the ADSP-21478BBCZ-2A?
The DAI includes an S/PDIF Tx/Rx, 8-channel asynchronous sample rate converter, and other user-definable peripherals. - What are some of the applications suitable for the ADSP-21478BBCZ-2A?
It is suitable for automotive audio, industrial control, high-quality audio processing, medical imaging, communications, and other applications.
