Altera Stratix - Conclusion

12–44 Altera Corporation
Stratix Device Handbook, Volume 2 September 2004
Conclusion
configuration data into the Stratix or Stratix GX device. Figure 12–26
shows the remote system configuration using a Nios embedded
processor and flash memory.
You can use both remote and local configuration modes in this scheme.
You should specify a default page for factory configuration and make
sure it is not altered or removed at any time.
Figure 12–26. Remote System Configuration Using External Processor & Flash Memory
Conclusion
Stratix and Stratix GX devices are the first PLDs with dedicated support
for remote system configuration. By allowing real-time system upgrades
from a remote source, you can use Stratix and Stratix GX devices in a
variety of applications that require automatic configuration updates.
With the built-in watchdog timer circuitry, Stratix and Stratix GX devices
avoid incorrect or erroneous states. Using Stratix and Stratix GX devices
with remote system configuration enhances design flexibility and
reduces time to market.
Remote Source
Application
Configuration Data
Stratix or
Stratix GX Device
External Processor
External Processor
& Flash Memory
Nios
Processor
Application
Configuration Data
Configuration
Control Signals
Application/Factory
Configuration Data
Flash Memory
Application Data 1
Application Data 7
Factory Data
Selecting Next
Application from
Factory Data
Watchdog
Circuitry