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Altera_Forum
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17 years ago

Cyclone III problem with USB blaster JTAG communication

Hi all I've spent the last week debugging the jtag connection between the fpga and the usb blaster.:mad: I finally found something that is wrong.:) In JTAG there are 4 signals.. The fi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

we have rma'ed two byte blaster altera/terrasic... the altera is rev.c.... I remember I have put series ressitor on the jtag lines which are about 22 ohms.. maybe replacing it to 100 ohms might lessen this unwanted failures... Dont you have any problem proggraming/debugging thru jtag with this values of series resistor?...

rgds,

Lanz