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Altera_Forum
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14 years ago

JTAG programming of MAX V and Cyclone IV

Hi I want to put both a MAX V and Cyclone IV on the same JTAG chain so they can both be programmed via a USB blaster. VCCIO for both devices is +3.3V. From the manuals the MAX V needs a +3.3V s...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I would operate the JTAG interface completely at 3.3V and provide clamp deiodes as overvoltage protection.