ADSP-21160NKB-100

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ADSP-21160NKB-100 application field and working principle

The ADSP-21160NKB-100 is a powerful and highly efficient Digital Signal Processor (DSP) created by Analog Devices, Inc. The company’s goal when designing this chip was to provide an optimal platform for embedded audio compression, signal processing and real-time media processing applications. It has been engineered to meet the needs of both high-end and medium-end applications while minimizing power consumption.

This powerful processor is designed to work in different configurations and to serve a wide range of application fields. It is suitable for various audio applications and can be used in complex digital signal processing applications in consumer, professional and industrial settings. The processor is perfect for applications such as gain control, audio equalization, mixing and acoustic echo cancellation. It also provides a flexible platform for voice recognition and voice authentication, as well as speech enhancement applications. Furthermore, its scalar core architecture enables it to address more demanding DSP tasks such as sinusoidal signal analysis and high-speed data processing.

Working principle

At its core, the ADSP-21160NKB-100 is a 32-bit/8-channel, 50-MHz processor featuring 24-bit parallel data paths and four ports for memory access. The core features Dual-MAC operations, which allow simultaneous 32-bit operations to increase the processing speed of the chip. In addition, it also features a 5-stage pipeline for program instruction execution, thus increasing the speed of the processor.

The ADSP-21160NKB-100 also features an on-chip memory controller that enables direct memory access to internal memory, external memory and on-chip peripheral devices. The internal memory consists of 16K × 32-bit on-chip instruction/data RAM, 64K × 32-bit dual-port data RAM and 4K × 32-bit dual-port data RAM. Furthermore, external memory banks can be added when extra memory or data storage is required.

The ADSP-21160NKB-100 supports both 16-bit and 32-bit instructions with conditional branches. The instructions can be written and stored in memory and then executed when needed. The processor also features 32 dedicated (internal) peripheral bus controllers, which can be programmed to access peripheral devices and external memory. The ADSP-21160NKB-100 also features several dedicated interrupt ports for efficient handling of interrupt-driven operations.

The ADSP-21160NKB-100 is an ideal platform for audio, speech and data-processing applications. Due to its scalar core architecture, it is able to perform complex signal processing operations with minimal power consumption, making it an excellent and efficient solution for embedded systems. In addition, it also has great scalability, making it suitable for applications requiring different levels of processing performance.

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