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Altera_Forum's avatar
Altera_Forum
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18 years ago

Cyclone II PS configuration problem

Hi all, I am trying to configure 3 EP2C20 with 3 EPC2 device. The EPC2 device was configured with JTAG. So when the board power up the EP2C20 should be configured by the EPC2. The connec...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

I just tried, it's so weird.

the first FPGA still has some problem configuring (conf_done or nStatus is still toggling) but the other 2 is fine. After I changed the first device with original file (did not disable OE, nCS etc), it seems to be OK now (conf_done or nstatus is HIGH).

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testing result:

it still seems to have some problem.

I really out of idea now..

let me get a pic of that cconfiguration circuit part later. Thanks.