Burn FLASH EPCS16 successfully, but the FPGA EP4CE15 does not start after the power is turned on.

Question

Quartus 14.1
WINDOWS 10
EP4CEF15I7N
EPCS16
MSEL:1001:AS STANDARD 3.3V

It works normally when I download the .sof file.
I replaced FLASH, FPGA, USB blaster cable and computer, and the same phenomenon still exists.
The following picture shows the successful download interface. At the same time, I collected the DCLK waveform with an oscilloscope, which has a clock signal.

When the PCB is re-powered, the FLASH pins have signals except DCLK which is always high.

nuraiman_m_intel · Answer

nuraiman_m_intel · Answer

Hi,Please refer to Cyclone IV handbook for configuring using serial configuration devices. Make sure to follow the suggested steps as stated in the handbook;https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyclone-iv/cyclone4-handbook.pdfCan you try to remove the resistor on the DATA line?Regards,Aiman

nuraiman_m_intel · Answer

We do not receive any response from you to the previous answer that I have provided. This thread will be transitioned to community support. If you have a new question, feel free to open a new thread to get the support from Intel experts. Otherwise, the community users will continue to help you on this thread. Thank you

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Burn FLASH EPCS16 successfully, but the FPGA EP4CE15 does not start after the power is turned on.

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