TMDSEVM6446

Series:	DaVinci™
Part Status:	Obsolete
Board Type:	Evaluation Platform
Type:	DSP
Core Processor:	--
Operating System:	--
Platform:	Digital Video Evaluation Module
For Use With/Related Products:	DM6446
Mounting Type:	Fixed
Contents:	Board(s), Cable(s), LCD, Power Supply, Accessories

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Introduction The TMDSEVM6446 evaluation board is a development tool aimed specifically at using the Texas Instruments TMS320C64x, C64x+ DSP processor family. The evaluation board is a low-cost solution for measuring the performance of a C64x+ family of DSPs in a product without investing in the advanced development toolkits available from TI. The TMDSEVM6446 will help developers evaluate various application scenarios on their hardware platform and develop and debug applications before deploying them in their final intended product. Application Field Though it is small and portable, the TMDSEVM6446 can quickly evaluate a variety of applications. These applications are centered around embedded control systems, particularly those that require sophisticated algorithms that can only be effectively run on a high-performance DSP. All the components typically necessary for prototyping is available in the board’s form factor, including peripheral connectors for external components.Selecting the TMDSEVM6446 evaluation board is advantageous to users in that it comes pre-programmed with header files specific to the C64x+ family of DSPs, as well as a variety of example codes provided for reference. This creates a ready showcase for the capabilities of the DSP processor family, out of the box.

One application of the TMDSEVM6446 involves motor control, as running the algorithms for motor control requires considerable processor resources. It can control the speed, torque, and other parameters of brushless DC motors, and runs algorithms that are based on field-oriented control (FOC). FOC is a control technique that runs calculations to track the current in the motor. It helps to improve the responsiveness, reliability, and accuracy of motor-related applications.Another potential application of the TMDSEVM6446 lies in digital signal processing, particularly for applications such as image processing, audio processing, and digital filters. The DSP provides a powerful processor that can analyze signals produced by sensors, compressing these signals and sending the result to storage or the internet. These digital processing capabilities even allow for basic machine learning algorithms to be effectively implemented for more sophisticated uses. Working Principle The evaluation board requires only the power supply and a PC with the Code Composer Studio (CCS) Integrated Development Environment (IDE) installed to run. Once powered, LEDs light up and the board is ready. At this point, the header files for the TMS320C64x, C64x+ DSP processor family are ready to be used in the CCS.The CCS development environment allows for classic "C" and assembly programming languages to be used to develop algorithms. The TI libraries are also available in the CCS to access certain features of the board, such as peripheral interfaces like I2C, SPI, ADC, PWM, and many more. Finally, the debugger in the CCS allows for debugging of the code and hardware connections.Once the debug mode has been used to make sure the code is error-free, the program can be compiled and run on the TMDSEVM6446, giving the user feedback on the results of their application. Once the development process has been completed, a TMS320C6xx assembly language application can be loaded to the board’s memory for execution.ConclusionIn summary, the TMDSEVM6446 is an ideal tool for quickly and easily evaluating various applications related to embedded control systems. With its small form factor, extended connectivity options, and TI software libraries, the board can handle the development process for motor control applications, image processing, digital filters, and more. Despite being a low-cost solution, the TMDSEVM6446 is a powerful evaluation tool that is able to support the development of more complex applications on the C64x+ DSP processor family.

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