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Altera_Forum
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17 years ago

Configuring Altera devices on long-distance cabling

Hello, We have a need to configure Altera devices (EPC configuration devices and some FPGAs) through a long cable (~ 3 m). For the sake of simplicity let's say that the setup is a PC, 3 m of c...
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Altera_Forum
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17 years ago

You may have a look at the JTAG signals with the osciloscope, if you can.

If you see that the problem is coming from superimposed noise, you may simply try to shield your flat cable in some way (aluminum sheet for example).

If the problem is a strong attenuation of the signal you may use a multi-thread cable with lower attenuation per meter.

If neither of the two solution works, certainly Frank's suggestion to use a long USB cable remains the only solution.