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Altera_Forum
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12 years ago

USB-Blaster JTAG max cable length

Hi All, May not have been specific enough with my search, but did not find an answer to my question. I am using the USB-Blaster in JTAG mode. I know that the max cable length on the USB side ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Usually the JTAG side should be kept as short as possible. Same for routing jtag signal on the pcb, unless you carefully control trace impedance and add proper termination.

AFAIK the recommended cable length is below 20cm / 8"