ADSP-21469BBCZ-3

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ADSP-21469BBCZ-3 Application Field and Working Principle

The ADSP-21469BBCZ-3 is a low-power, high-performance members of the ADSP-214xx family of Digital Signal Processors (DSPs) designed to provide an an extremely competitive cost/performance advantage. This family of embedded Digital Signal Processors (DSPs) is optimized for a wide range of applications, including wireless infrastructure, motor control, speech and audio processing, communications, imaging, automotive, and interactive media.

Application Fields

The ADSP-21469BBCZ-3 is suitable for a wide range of applications, ranging from low-cost consumer applications to high-performance industrial applications, including:

• Automotive systems
• Industrial control systems
• Robotics
• Medical devices
• Wireless applications
• Intelligent appliances
• Security systems
• Home theatre systems
• Point-of-sale terminals
• Communications infrastructure
• Audio and signal processing
• Imaging applications, including 3D imaging

The ADSP-21469BBCZ-3 is also suited for various other applications requiring complex signal-processing solutions.

Working Principle

The ADSP-21469BBCZ-3 offers an efficient implementation of the traditional DSP processing pipeline, which consists of four distinct stages: data acquisition, signal processing, data output, and system control. The internal architecture of the processor consists of an address generation unit, a memory controller, a data fetch unit, an arithmetic unit, a data store unit, an instruction unit, and an execution unit.

Data is processed in the ADSP-21469BBCZ-3 by loading it into its internal memory, where the instruction unit then executes the relevant processing instructions. During each instruction cycle, the instruction unit interprets the instructions and decodes them before performing the required operations. All necessary calculations are then carried out in the arithmetic unit, which performs the actual signal processing.

Once the arithmetic operations are completed, the data is stored back in the internal memory and the processor moves onto the next instruction. The additional execution units help increase the operation speed of the DSP and provide instructions for a range of specialized control tasks.

The ADSP-21469BBCZ-3 also features a high-speed asynchronous interface, which allows for efficient communication between the DSP and external digital systems.

Conclusion

The ADSP-21469BBCZ-3 is a powerful and versatile embedded Digital Signal Processor (DSP) that is well suited for many applications, including automotive systems, robotics, medical, wireless communications, imaging applications, audio and signal processing, and industrial control. It offers a low-power, high-performance solution with a competitive cost/performance advantage, as well as a high-speed asynchronous interface for efficient communication with external systems.

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