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TMS320F28388S: FPU32 support in F28388

Part Number: TMS320F28388S

Hi, 

Some doubts about FPU32 in F28388:

1) Does F28388 support FPU32, when "processor options" FPU64 is set? 

2) If supported, is this correct "typedef float float32_t" ?

3) If supported, what's the size of "float32_t", 32bit or 64bit?

Customer is using their own OS, which will save the variables into stack. 32bit or 64bit should be saved for "float32_t"?

My point of view, F28388 supports FPU32, and the size is 32bit. 

Br, Jordan