TMS320DM648CUTD9

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Embedded - DSP (Digital Signal Processors)

TMS320DM648CUTD9 Application Field and Working Principle

Digital signal processors are special-purpose microprocessors that are used primarily to process digital signals. They are used extensively in communications, audio, video and image processing, power system applications and many other areas requiring real-time processing of digital signals. The TMS320DM648CUTD9 is a Digital Signal Processor from Texas Instruments (TI). It is part of the TMS320C6000 DSP family that was released in September 2007.

Application Field

The TMS320DM648CUTD9 is a high performance, low power DSP with a high level of on-chip integration. It is designed for embedded control applications such as those in industrial automation, biometric measurements, medical imaging and security systems.The device provides the highest level of performance, low power operation and a highly integrated solution with on-chip memory, peripheral functions, and communication interface peripherals. The chip is capable of operating at up to 600 MHz and can handle up to two concurrent tasks with its 330-MHz TMS320C674 microprocessor core. It also provides an efficient Flash memory called EMIF. This allows designers with larger FFTs and more data to be buffered without the need for external memory.

Working Principle

The TMS320DM648CUTD9 operates using a pipelined, SIMD (Single Instruction, Multiple Data) architecture. It is designed to execute single instruction multiple times on multiple pieces of data, in a single clock cycle. This allows for efficient, high performance processing of data. The TMS320DM648CUTD9 uses a five-stage data path and powerful compiler technology to optimize code for high performance DSP operations. The five stages of the data path consist of the Instruction Processing Unit, the Memory Unit, the Data Memory Unit, the Macro Assembler and the User Interface Unit. The Instruction Processing Unit is responsible for decoding and executing instructions from the program code. The Memory Unit handles the transfer of data between the different stages of the data path. The Data Memory Unit stores the data that is used by the application. The Macro Assembler assembles data and instructions into a structured set of instructions. The User Interface Unit is used to interact with the user and provides access to the various on-chip peripherals.The TMS320DM648CUTD9 also supports a number of development tools that help optimize code for maximum performance. These tools include Code Composer Studio, a software development environment; CCS Debugger, a debugger that allows developers to step through code at the assembly language level; and RTOSWARE, a real time operating system.

The TMS320DM648CUTD9 is a very powerful DSP that provides an efficient solution for embedded control applications. It enables designers to take full advantage of the high performance, low power and low profile capabilities of digital signal processing technology.

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