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Altera_Forum
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16 years ago

EPCS flash access on BeMicro

Hi, I am doing some debugging using the BeMicro Cyclone III dev board. I have installed a serial configuration device on the board and I want to test the SOPC EPCS Flash controller. I am not u...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

The jumper (B400) on the Bemicro must be changed or the EPCS cannot work. An unchanged B400 places the FPGA in Passive Serial Mode. After configuration the DCLK pin (H1) will always be an input. It needs to be an output for EPCS usage. Other pins may also be a problem, but this one is definitely a problem.