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Compiler/TMS320C6678: How to calculate address range for ECC on c6678 EVM

LeonL
Intellectual 630 points
Part Number: TMS320C6678

Tool/software: TI C/C++ Compiler

Hi, all.
I've enabled the ECC on C6678 EVM.
I not exactly understand how to calculate the address range ( start & end address) for CSL_EMIF4F_SetECCAddressRange() function.
Can I get the explain and examples ?
What does mean "End address [32-17] of 33-bit address for ECC address range" and "Start address [32-17] of 33-bit address for ECC address range ".
What caslculated range in those cases:
CSL_EMIF4F_SetECCAddressRange( 1, 0x0FFF, 0x0100) \\
CSL_EMIF4F_SetECCAddressRange ( 1, 0x0100, 0) \\

Thanks on advance,

Leon