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thank you,I mean the pof file can be downloadable in AS mode ,but the cyclone III can't work by reading the epcs64 after restarting power supply.
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What I mean is that can your board( or your FPGA) run after pof being downloaded?
You pointed that your jtag is ok in your last post, so if your fpga can't run with your pof, you should double check the interface between EPCS and fpga. You know the jic file is downloaded thru the jtag and a "bridge" between epcs64 and fpga, you must confirm that the jtag and the bridge should be both ok.
So if your fpga can run with pof, the "bridge" interface should be ok. pls check the interface between the epcs64 and fpga firstly.
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