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Altera_Forum
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17 years ago

Cyclone 3 migration from EPCS64 to EPCS128

Hello all, In our design, we are using successfully the EP3C10 and EPCS64 configuration device (AS mode). We need to switch to the 128Mbit device (EPCS128); the FPGA fail to config in that case:...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

The Quartus configuration handbook clearly states that EPCS128 can be used with all Cyclone III devices. This implies, that CIII configuation controller is capable of performing the different commands needed with EPCS128. Either this information is incorrect or configuration with EPCS128 fails for reasons not related to differences in software interface.