ep3c120f780c8nes Altera Corporation, ep3c120f780c8nes Datasheet - Page 370

• Manufacturer Part Number: ep3c120f780c8nes
• Description: Cyclone Iii Device Family
• Manufacturer: Altera Corporation

SEU Mitigation in Cyclone III Devices
Software
Support
13–8
Cyclone III Device Handbook, Volume 1
Starting with version 6.1, Quartus II supports the error detection CRC
feature. Enabling this feature generates the CRC_ERROR output to the
optional dual purpose CRC_ERROR pin.
The error detection CRC feature is controlled by the Device & Pin
Options dialog box in the Quartus II software.
Enable the error detection feature using CRC by performing the following
steps:
1.
2.
3.
4.
5.
6.
7.
1
8.
Open the Quartus II software and load a project using a Stratix or
Cyclone series device.
On the Assignments menu, click Settings. The Settings dialog box
appears.
In the Category list, select Device. The Device page appears.
Click Device & Pin Options, as shown in
In the Device & Pin Options dialog box, click the Error Detection
CRC tab.
Turn on Enable error detection CRC.
documented in
Click OK.
In the Divide error check frequency by box, enter a valid divisor as
The divisor value divides down the frequency of the
configuration oscillator output clock that measures the CRC
circuitry.
Table
13–4.
Altera Corporation-Preliminary
Figure
13–2.
March 2007