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qianbo108's avatar
qianbo108
Icon for New Contributor rankNew Contributor
3 years ago

What is the configuration method for this?

FPGA: Stratix IV (EP4SGX230KF40I3)，EPCS: EPCS128 The above two pictures are the standard FPGA configuration methods I found, which are consistent with the officially recommended con...
ak6dn's avatar
ak6dn
Icon for Regular Contributor rankRegular Contributor
3 years ago

Well, in the second set of schematics CONF_DONE is pulled low and nCE is pulled high.

Both opposite to standard practice. In fact never seen this done before.

So I'm not convinced the second schematic is even functional for configuration via EEPROM.

sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
3 years ago
Oh I missed that. Good catch.