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Altera_Forum
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12 years ago

Programming an EPCS4 using JTAG and Quartus II + SFL

Hello, I am having problems trying to program an EPCS4 attached to a Clyclone IV EP4CE6F17I7 with the JTAG interface (and a USB-Blaster). The EP4CE6 is in a JTAG chain with an Atmel AT91SAM9261...
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Altera_Forum
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12 years ago

It could be a good idea to check your signals with an oscilloscope, both the JTAG signals and the EPCS signals. Look especially for bounces or crosstalk on the clock signals.