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AM5726: Migration to C66x DSP core from TMS320C6455

Ralph Jenkins
Prodigy 20 points
Part Number: AM5726
Other Parts Discussed in Thread: TMS320C6455, CCSTUDIO

Tool/software:

Hello,

I currently have an application which runs on TMS320C6455 single-core DSP.  The product is being redesigned due to component obsolescence.

My existing code is compiled using very old Code Composer 3.3 and CCStudio_v3.3\C6000 libraries, and DSP BIOS 5.33.06.  I noticed that the datasheet for the AM572x says "Fully object-code compatible with C67x and C64x+".  Aside from platform configuration differences (GPIO, peripherals, etc.), does this imply that code built using my older tools and existing code base might run on the C66x core of the AM57?

I am searching for ways to limit the changes needed to port the code to another device, reducing my project risk.  I would like to move to the latest BIOS, compiler and IDE at some point in the product life cycle.  Until then, I would like to incrementally work my way through the migration.

Thank you.