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TMS570LS3137: ECC check

Part Number: TMS570LS3137

Hi Team,

As per manual, 
"SECDED is the hardware module embedded in the Flash/RAM wrapper that generates ECC, compares, detects the error bits and corrects if it is a single bit error. • SECDED is capable of correcting single bit errors and detecting multiple bit errors."
Will SECDED corrects the single bit errors in memory or only in bus or in both?

If it is only on bus, then one has to perform write operation to correct the data in the memory.