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OMAP-L138: ARM VS DSP

Part Number: OMAP-L138

The customer's inquiry:

We are manufacturers of Universal Testing Machines. We were using TI’s OMAP-L138 for Controller. Now we are developing our new controller. For this Controller we want to use only ARM. So please let me know whether Multi ARM (2 ARM Cores) meets our requirement.

Our code consists of servo tuning, Waveform generation and DAQ. Code has more number of  floating point operations.

Please suggest whether ARM better than DSP to do such operations.

And he also wants a performance comparison document, please help provide the document if it exsits.