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Altera_Forum
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16 years ago

why has the configuring process failed?

Hi, Everybody. In my new FPGA system(my first system), I use EP2C5Q208 and EPCS4. In quartus 9.1 web . I program the EPCS4 successfully, and the verify processing complete successfull...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

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What are your MSEL pins set to? Are all of your voltages correct? What about the DCLK and DATA0 signals, are they toggling?

Jake

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thanks， Jake。

In my system, the MSEL pins are connected to GND.

the power supply is ok.

the DCLK is stable with a frequence of 12MHz.

the DATA0 is always alter between '0' and '1'.