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Altera_Forum
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16 years ago

Stratix II/III with no external oscillator

Hi I have a Stratix II GX and Stratix III dev board setup with no external oscillator, only connections for the FPGA are the JTAG and passive serial connectors. Does anyone have any exp...
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Altera_Forum
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16 years ago

Jake, it looks like IrishMudder's (own?) dev board effectively has no oscillator and he wants to exercise his design via the JTAG interface.

IrishMudder, you could try building a ring oscillator. I found this thread on this forum: http://www.alteraforum.com/forum/showthread.php?t=709.

If you have access to a pair of spare FPGA pins you could build a simple RC oscillator. Or a crystal based one but this may take a little more experimenting.