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Altera_Forum
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17 years ago

Cyclone III AS Configuration

Hello, I am having some problems getting AS configuration working with my Cyclone III FPGA. I am using an EPCS16 for the configuration chip and the C3 is a EP3C25F324C8N on a custom board. Th...
Altera_Forum's avatar
Altera_Forum
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17 years ago

As far as I know the FPGA reads the ID of the serial config device first. If the FPGA refuses to read the configuration data from the device then there might be an error when reading this ID. Maybe you should probe the DATA pin of the EPCS and see whether valid data comes out of the device.