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Altera_Forum
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14 years ago

cyclone IV configuration: VCCIO8 connection

I’m currently using an EP4CE6F17I8LN on a PCB in an AS configuration mode (EPCS4 PROM) and I’m experiencing some issues with its configuration (device stays in POR with nSTATUS low). In my circuit im...
Altera_Forum's avatar
Altera_Forum
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14 years ago

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with the JTAG connected, the programmer software does not identify the FPGA device.

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Does this device have a power-pad (pad on the bottom of the IC) and did you connect it to ground? Several people have forgotten to do this, and the device will not work correctly.

Cheers,

Dave