Overview
The ADSP-21262SKBC-200 is a member of the third-generation of SHARC (Super Harvard Architecture) programmable Digital Signal Processors (DSPs) from Analog Devices Inc. This DSP is designed to provide high performance and integration, making it suitable for a wide range of applications including high-quality audio, automotive entertainment systems, voice recognition, medical appliances, and measurement devices. The ADSP-21262 is based on a 200MHz (5ns instruction cycle time) SIMD SHARC core, capable of executing complex algorithms such as Fast Fourier Transform (FFT) operations with high efficiency.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | 200MHz (5ns) SIMD SHARC Core |
| Performance | 1.2 GFLOPS, 1024-point complex FFT in 46μs |
| Data Types | IEEE-compatible 32-bit floating-point, 40-bit floating-point, 32-bit fixed-point |
| Memory | 2Mbit on-chip dual-ported SRAM, 4Mbit mask-programmable ROM |
| Bandwidth | 2.4 Gbyte/sec on-chip bandwidth |
| Serial Ports | 6 independent Serial Ports (SPORTS) 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 |
| Timers | Four timers: 1 core and 3 general purpose timers supporting PWM generation, PWM capture/pulse width measurement, and external event watchdog mode |
| Package | 136-ball BGA (12mm × 12mm) and 144-lead LQFP (20mm × 20mm) |
Key Features
- Code compatible with all SHARC DSPs, ensuring ease of migration and development.
- Digital Applications Interface (DAI) for simplified I/O system development, allowing complete software programmability of various peripherals.
- Flexible Signal Routing Unit (SRU) for configurable connectivity between DAI components.
- Support for multiple serial communication modes and a 16-bit parallel port.
- 22 zero-overhead DMA channels for fast data transfers without processor intervention.
- Four timers with various modes including PWM generation, PWM capture, and external event watchdog.
- PLL capable of a variety of software multiplier ratios for flexible clock management.
Applications
- High-quality audio systems: Benefiting from the DSP's ability to perform complex audio processing tasks efficiently.
- Automotive entertainment systems: Enhancing the audio and multimedia experience in vehicles.
- Voice recognition: Utilizing the DSP's high performance for real-time voice processing.
- Medical appliances: Supporting advanced medical devices that require precise signal processing.
- Measurement devices: Enabling accurate and fast data processing in measurement and testing equipment.
Q & A
- What is the core frequency of the ADSP-21262SKBC-200?
The core frequency 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) in the ADSP-21262?
The DAI is an architecture that enables complete software programmability of various peripherals, including serial ports, timers, and signal routing units. - 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 development tools are available for the ADSP-21262?
The ADSP-21262 is supported by ADI’s CROSSCORE brand of development tools, including the VisualDSP++ software development environment, EZ-KIT Lite evaluation systems, and emulators. - Is the ADSP-21262 code compatible with other SHARC DSPs?
Yes, the ADSP-21262 is code compatible with all SHARC DSPs. - What are some common applications of the ADSP-21262?
Common applications include high-quality audio systems, automotive entertainment systems, voice recognition, medical appliances, and measurement devices. - How does the ADSP-21262 handle serial communication?
The ADSP-21262 supports six independent serial ports (SPORTS) with various modes such as DSP Serial mode, I2S mode, Left Justified Sample pair mode, and TDM mode.
