Altera Advanced SEU Detection IP Core - Manual (Page 6)

Off-Chip Lookup Sensitivity Processing Operation Flow
Figure 4: Off-Chip Lookup Sensitivity Processing Operation Flow
CRC Error Writes a
Value into EMR
CPU Reads SMH SMH File
Bit Critical?
Log Event
Wait for SEU
Corrective
Action Needed?
Reset System
yes
no
yes
no
EMR Processing Unit
System-Level Response
Logic Caches EMR;
Asserts Interupt to CPU
Related Information
SMH Lookup on page 8
Off-Chip Processing Signals
Off-chip sensitivity processing has similar signals with on-chip sensitivity processing, with the exception
of the external memory interface; the off-chip sensitivity processing has EMR cache interface instead.
6 Off-Chip Lookup Sensitivity Processing Operation Flow
ALTADVSEU
2015.05.04
Altera Corporation Altera Advanced SEU Detection IP Core User Guide
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