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Altera_Forum
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12 years ago

Cyclone-IV E USB Blaster JTAG header VCC(TRGT)

Dear sir, I am using cyclone -IV E FPGA in JTAG chain. I don't have free pins on JTAG header on the board to connect, 2.5V to pin number 4 of USB blaster cable. Can I connect 3.3V to pin ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Hi,

In cyclone IV FPGA, all JTAG signals are in Bank 1. I am connecting VCCIO of bank1 to 3.3V power supply.

Please clarify whether the JTAG signals from Bank1 are 2.5V complaint or 3.3V complaint ?

Regards,

Thulasi