TMS320F28035: TMS320F28035 and TMS320F2808 Processing power

Part Number: TMS320F28035

Hi Sir:

      We use the TMS320F2808 for motordrive is OK,and for cost down. we want to use TMS320F28035 P2P 2808.no other changes.but We find that Deal with trigonometric function There is a huge difference.We used Look-up table method.but test that. Deal with trigonometric onec the 2808 about 0.8us  but the 28035 about 8us. Why?  Is there a way to solve it?.  And We do not want to use CLA.

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