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TMS320F28377D: A question about device prefetch mechanism

Part Number: TMS320F28377D

Hi. In device's manual I found next text:

"If the prefetch mechanism is enabled, then the last row of 128 bits in the bank should not be used, because the prefetch logic which does a look-ahead prefetch, will try to fetch from outside the bank and would result in an ECC error."

Does it means I need manually protect arrangement of my code from last 128 bits of flash sector? How can I do this? I think I can edit .cmd file like this:

replace

FLASHB           : origin = 0x082000, length = 0x002000

with

FLASHB           : origin = 0x082000, length = 0x001FF8 /* 0x2000 - (128/16) =  0x1FF8*/

.text               : >> FLASHB

Am I right?