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Altera_Forum
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12 years ago

Cyclone III Configuration

I am bring up a board with a Cyclone III (256 pin). I have connectors for JTAG and the byte-blaster. MSEL0 = 0, MSEL1 = Vcca(2.5V), MSEL2 = 0. I can load the configuration via JTAG and I can ...
Altera_Forum's avatar
Altera_Forum
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12 years ago

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The other supplies are turned on by a micocontroller.

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If the supplies are used by the Cyclone, then make sure the power-on sequence meets the requirement of the FPGA power-on-reset. If it does not, then you may have to assert nCONFIG low until all the supplies are valid.

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Good idea to check for clock, you nailed it! I find no clock on my oscillator IC, investigating....

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Check for a 180-degree rotation of the part ... darned rotationally symmetric parts ... :)

Cheers,

Dave