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Altera_Forum
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7 years ago

JTAG connection issue

Hi all, I have a board that configured the Cyclone 4 E device JTAG signals with 2.5V with 100 ohm series resistor on all signals and TMS, TDI pulled up to 2.5V through 2.2k resistors. I ob...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

This is a CA1 module connected to the PE1 board from Enclustra. Page 3 of CA1 shows the JTAG signals from the FPGA and the series/ pullup down resistors. Page 18 of PE1 shows the JTAG connectors and series resistors with TVS diode for ESD protection. Page 5 of PE1 shows the system controller connection.