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Altera_Forum
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16 years ago

ByteBlasterII JTAG chain problem detected

Hi I´m trying to program a EP3C5E144C8N FPGA in JTAG mode using a ByteBlasterII cable. The pins are connected as indicated in the JTAG configuration of a single device using a download cable (Fig ...
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Altera_Forum
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16 years ago

Using the same GND, particularly when it's a continuous plane, is sufficient for most designs. You shouldn't expect problems in JTAG configuration from this field of layout quality anyway. Leaving the enhanced pad unconnected however completely blocks device operation, including JTAG configuration.