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Altera_Forum's avatar
Altera_Forum
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17 years ago

FPGA Configuration Problem

A strange one here. I'm trying to power up a Cyclone III EP3C10 in active serial mode, and even before the device tries to access the PROM it drives all I/O pins low and does not make any attempt at...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

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Altera really doesn't draw enough attention to that pad

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The fact, that this issue is a series topic in the forum seems to confirm your statement. I found the "exposed pad" thing mentioned in two places in the device manual and also in the Device Pin-Out document. The amount of informations hasn't changed from Device Manual V1.0 to recent V2.1.

You may want to read a ceterum censeo "Furthermore, don't forget to connect the exposed pad" in each Handbook chapter.