Intel® Arria® 10 Core Fabric and General Purpose I/Os Handbook

ID 683461
Date 5/27/2022
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2.11.1. Error Correction Code Truth Table

Table 13.  ECC Status Flags Truth Table

e

(error)

eccstatus[1]

ue

(uncorrectable error)

eccstatus[0]

Status
0 0 No error.
0 1 Illegal.
1 0 A correctable error occurred and the error has been corrected at the outputs; however, the memory array has not been updated.
1 1 An uncorrectable error occurred and uncorrectable data appears at the outputs.

If you engage ECC:

  • You cannot use the byte enable feature.
  • Read-during-write old data mode is not supported.
Figure 24. ECC Block Diagram for M20K Memory

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