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CCS/TMS320C5515: FFT hardware accelerator output is floating point or fixed point ?

Part Number: TMS320C5515

Tool/software: Code Composer Studio

I want to compute FFT of an Image. Recently I came to know about 5515 which has dedicated FFT hardware on board. All i want to know is whether the output of FFT Hardware is floating point or fixed point ?

Also If you could tell which other LOW power MCU will suffice for Image Processing Applications such as computing 2D-FFT etc.