Overview
The ADSP-21478BSWZ-2A, produced by Analog Devices Inc., is a high-performance digital signal processor (DSP) within the fourth generation SHARC Processor family. This DSP is optimized for low power consumption and high performance, making it particularly suitable for battery-powered applications and environments with higher ambient operating temperatures. The ADSP-21478 features a 266 MHz core clock speed and delivers 1596 MFLOPs, making it an ideal choice for demanding audio and industrial control applications.
Key Specifications
| Attribute | Value |
|---|---|
| Maximum Frequency | 266 MHz |
| Series | SHARC |
| Device Million Instructions per Second | 266 MIPS |
| Data Bus Width | 32-bit |
| RAM Size | 3 Mbits |
| Instruction Set Architecture | Super Harvard |
| Program Memory Size | 512 kB ROM |
| Numeric and Arithmetic Format | Floating Point (32-bit/40-bit) |
| Mounting Type | Surface Mount |
| Package Type | 100-Lead LQFP |
| Pin Count | 100 |
| Typical Operating Supply Voltage | 1.25 V to 1.35 V |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +85 °C |
| PWM Channels | 16 |
| Timers | 3 full-featured timers |
| SPI Channels | 2 SPI-compatible ports |
Key Features
- High-performance core with a 266 MHz clock speed and 1596 MFLOPs.
- FIR, IIR, and FFT accelerators to enhance system performance.
- Variable Instruction Set Architecture (VISA) to reduce code size by 20% to 30% and increase memory availability.
- 16-bit wide SDR SDRAM external memory interface for seamless memory expansion.
- Digital Applications Interface (DAI) for 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 for system reliability.
- 16 Pulse Width Modulation (PWM) channels and 3 full-featured timers.
- 2 SPI-compatible ports and UART and Two-Wire Interface for versatile communication.
Applications
The ADSP-21478BSWZ-2A is particularly well-suited for various applications, including:
- Automotive audio systems, where low power consumption is crucial.
- Industrial control systems, requiring high performance and reliability.
- Audio processing and signal processing in professional and consumer electronics.
- Battery-powered devices, where power efficiency is a key requirement.
- Other applications requiring high-performance DSP capabilities with low power consumption.
Q & A
- What is the core clock speed of the ADSP-21478BSWZ-2A?
The core clock speed is 266 MHz.
- What type of memory does the ADSP-21478BSWZ-2A have?
The device has 3 Mbits of on-chip RAM and 512 kB of ROM.
- What are the key accelerators included in the ADSP-21478BSWZ-2A?
The device includes FIR, IIR, and FFT accelerators.
- What is the package type of the ADSP-21478BSWZ-2A?
The package type is a 100-Lead LQFP.
- What is the operating temperature range of the ADSP-21478BSWZ-2A?
The operating temperature range is from -40 °C to +85 °C.
- How many PWM channels does the ADSP-21478BSWZ-2A have?
The device has 16 PWM channels.
- What communication interfaces are available on the ADSP-21478BSWZ-2A?
The device includes UART, Two-Wire Interface, and 2 SPI-compatible ports.
- Is the ADSP-21478BSWZ-2A code-compatible with other SHARC processors?
- What is the typical operating supply voltage of the ADSP-21478BSWZ-2A?
The typical operating supply voltage is between 1.25 V and 1.35 V.
- Does the ADSP-21478BSWZ-2A support external memory?
