Overview
The ADSP-21161NKCA-100 is a 32-bit Digital Signal Processor (DSP) from Analog Devices Inc., part of the Super Harvard Architecture (SHARC) family. This processor is optimized for high-performance DSP applications and is a low-cost derivative of the ADSP-21160. It features a 100 MHz or 110 MHz core, dual-ported on-chip SRAM, and an integrated I/O processor with multiprocessing support. The ADSP-21161N is known for its single-instruction multiple-data (SIMD) architecture, which significantly enhances its processing capabilities compared to earlier models like the ADSP-2106x.
Key Specifications
| Specification | Detail |
|---|---|
| Core Clock Rate | 100 MHz or 110 MHz |
| Instruction Cycle Time | 10 ns or 9 ns |
| On-Chip SRAM | 1 Mbit dual-ported SRAM (128 kB) |
| External Memory Support | SDRAM and SBSRAM |
| DMA Channels | 14 zero-overhead DMA channels |
| Serial Ports | Four synchronous serial ports with I2S support |
| Link Ports | Two link ports |
| Voltage - Core | 1.80V |
| Voltage - I/O | 3.30V |
| Operating Temperature | 0°C ~ 85°C (TC) |
| Package | 225-Ball CSPBGA (17mm x 17mm) |
Key Features
- SIMD Architecture: The ADSP-21161N features a SIMD (Single-Instruction Multiple-Data) architecture, enabling it to perform 660 million floating-point operations per second and significantly enhancing its processing capabilities.
- Integrated I/O Processor: Includes an integrated I/O processor with multiprocessing support and multiple internal buses to eliminate I/O bottlenecks.
- Memory and I/O Interface: Supports 1 Mbit on-chip dual-ported SRAM, SDRAM controller, and glueless multiprocessing support for up to six ADSP-21161N SHARCs.
- Serial and Link Ports: Four synchronous serial ports with I2S support and two link ports.
- Development Tools: Supported by a complete set of software and hardware development tools, including the VisualDSP++ tool set and various emulators.
- Code Compatibility: Code-compatible with all other SHARC DSPs, supporting both fixed- and floating-point data types.
Applications
The ADSP-21161NKCA-100 is suitable for a wide range of high-performance digital signal processing applications, including:
- Audio Processing: Supports advanced audio processing with features like I2S and companding on a per-channel basis.
- Image Processing: Ideal for image processing tasks due to its high processing power and memory bandwidth.
- Industrial Control: Can be used in industrial control systems requiring real-time signal processing.
- Medical Devices: Suitable for medical devices that require high-speed signal processing, such as ultrasound and MRI machines.
- Telecommunications: Used in telecommunications equipment for signal processing and data transmission.
Q & A
- What is the core clock rate of the ADSP-21161NKCA-100?
The core clock rate of the ADSP-21161NKCA-100 is 100 MHz or 110 MHz.
- What type of architecture does the ADSP-21161N use?
The ADSP-21161N uses a Single-Instruction Multiple-Data (SIMD) architecture.
- How much on-chip SRAM does the ADSP-21161N have?
The ADSP-21161N has 1 Mbit of dual-ported on-chip SRAM, which is equivalent to 128 kB.
- What types of external memory does the ADSP-21161N support?
The ADSP-21161N supports SDRAM and SBSRAM external memories.
- How many DMA channels does the ADSP-21161N have?
The ADSP-21161N has 14 zero-overhead DMA channels.
- What is the operating temperature range of the ADSP-21161NKCA-100?
The operating temperature range is 0°C ~ 85°C (TC).
- What is the package type of the ADSP-21161NKCA-100?
The package type is a 225-Ball CSPBGA (17mm x 17mm).
- Is the ADSP-21161N code-compatible with other SHARC DSPs?
Yes, the ADSP-21161N is code-compatible with all other SHARC DSPs.
- What development tools are available for the ADSP-21161N?
The ADSP-21161N is supported by the VisualDSP++ tool set, which includes an optimizing C/C++ compiler, integrated development environment (IDE), assembler, linker, splitter, and cycle-accurate simulator.
- What are some common applications of the ADSP-21161NKCA-100?
Common applications include audio processing, image processing, industrial control, medical devices, and telecommunications.
