Overview
The ADSP-21262SBBCZ150, produced by Analog Devices Inc., is a member of the third-generation SHARC (Super Harvard Architecture) family of programmable Digital Signal Processors (DSPs). This DSP is designed for high-performance applications, particularly in areas such as high-quality audio, automotive entertainment systems, voice recognition, medical appliances, and measurement devices. The ADSP-21262 integrates large on-chip memory and a variety of peripherals, which enhances system performance and reduces development time and costs.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | 200MHz (5ns) SIMD SHARC Core, capable of 1.2GFLOPS |
| Data Types Supported | IEEE-compatible 32-bit floating-point, 40-bit floating-point, and 32-bit fixed-point |
| On-Chip Memory | 2Mbit dual-ported SRAM, 4Mbit mask-programmable ROM |
| On-Chip Bandwidth | 2.4Gbyte/sec |
| Serial Ports | Six independent serial ports supporting DSP Serial mode, I2S mode, Left Justified Sample pair mode, and TDM mode |
| DMA Channels | 22 zero-overhead DMA channels |
| Interfaces | SPI compatible interface, 16-bit Parallel Port, Digital Applications Interface (DAI) |
| Timers | Four timers: 1 core timer and 3 general-purpose timers |
| Package Options | 136-ball BGA (12mm × 12mm), 144-lead LQFP (20mm × 20mm) |
| Operating Temperature | Up to 85°C |
| Supply Voltage | Up to 3.47V |
Key Features
- High-Performance Core: The ADSP-21262 features a 200MHz SIMD SHARC core, capable of executing complex operations such as Fast Fourier Transform (FFT) with high efficiency.
- Advanced Memory: Includes 2Mbit of on-chip dual-ported SRAM and 4Mbit of mask-programmable ROM, ensuring sustained processor and I/O performance without the need for external memory.
- Flexible I/O System: The Digital Applications Interface (DAI) allows for complete software control over peripherals, including serial ports, timers, and input data ports, through the Signal Routing Unit (SRU).
- Multiple Interfaces: Supports SPI, 16-bit parallel port, and six full-duplex serial ports, enabling versatile connectivity to various peripherals.
- Efficient Data Transfer: 22 zero-overhead DMA channels facilitate fast data transfers without processor intervention.
- Development Tools: Supported by ADI’s CROSSCORE development tools, including VisualDSP++ software development environment, EZ-KIT Lite evaluation systems, and emulators.
Applications
- High-Quality Audio Systems: Ideal for audio processing in professional audio equipment, home theaters, and automotive audio systems.
- Automotive Entertainment Systems: Used in advanced infotainment systems for processing audio, video, and other multimedia data.
- Voice Recognition: Suitable for voice recognition and speech processing applications.
- Medical Appliances: Applied in medical devices requiring high-performance signal processing, such as ultrasound and diagnostic equipment.
- Measurement Devices: Used in various measurement and testing equipment that require precise signal processing.
Q & A
- What is the core frequency of the ADSP-21262?
The core frequency of the ADSP-21262 is 200MHz, with a 5ns instruction cycle time.
- What types of data does the ADSP-21262 support?
The ADSP-21262 supports IEEE-compatible 32-bit floating-point, 40-bit floating-point, and 32-bit fixed-point data types.
- How much on-chip memory does the ADSP-21262 have?
The ADSP-21262 has 2Mbit of on-chip dual-ported SRAM and 4Mbit of mask-programmable ROM.
- What is the Digital Applications Interface (DAI)?
The DAI is an architecture that enables complete software programmability of various peripherals, including serial ports, timers, and input data ports, through the Signal Routing Unit (SRU).
- How many DMA channels does the ADSP-21262 have?
The ADSP-21262 has 22 zero-overhead DMA channels.
- What are the package options for the ADSP-21262?
The ADSP-21262 is available in 136-ball BGA (12mm × 12mm) and 144-lead LQFP (20mm × 20mm) packages.
- What is the maximum operating temperature of the ADSP-21262?
The maximum operating temperature of the ADSP-21262 is up to 85°C.
- What development tools support the ADSP-21262?
The ADSP-21262 is supported by ADI’s CROSSCORE development tools, including VisualDSP++ software development environment, EZ-KIT Lite evaluation systems, and emulators.
- What are some common applications of the ADSP-21262?
The ADSP-21262 is commonly used in high-quality audio systems, automotive entertainment systems, voice recognition, medical appliances, and measurement devices.
- How does the ADSP-21262 enhance system performance?
The ADSP-21262 enhances system performance through its high-performance core, large on-chip memory, and efficient data transfer mechanisms, including DMA channels and the DAI.
