EP4SE360F35I4 Datasheet, PDF (397/432 Pages) Altera Corporation – This section provides a complete overview of all features relating to the Stratix IV device family, which is the most architecturlly advanced

Chapter 10: Configuration, Design Security, and Remote System Upgrades in Stratix IV Devices
Dedicated Remote System Upgrade Circuitry
10–61
The remote system upgrade status register is updated by the dedicated error
monitoring circuitry after an error condition but before the factory configuration is
loaded.
Table 10–17. Control Register Contents after an Error or Reconfiguration Trigger Condition
Reconfiguration Error/Trigger
nCONFIG reset
nSTATUS error
CORE triggered reconfiguration
CRC error
Wd time out
Control Register Setting
Remote Update
All bits are 0
All bits are 0
Update register
All bits are 0
All bits are 0
Capture operations during factory configuration access the contents of the update
register. This feature is used by the user logic to verify that the page address and
watchdog timer settings were written correctly. Read operations in application
configurations access the contents of the control register. This information is used by
the user logic in the application configuration.
September 2012 Altera Corporation
Stratix IV Device Handbook
Volume 1