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Altera_Forum
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15 years ago

Overvoltage damage on JTAG/AS Interfaces

I have a custom board utilizing Stratix III devices. The programming interface schematics is attached. During the board lifecycle I experienced several cases of damaged AS or JTAG interfaces, r...
Altera_Forum's avatar
Altera_Forum
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15 years ago

You can assume identical voltage ratings for the FPGA pins. But I have changed all dedicated AS interfaces to indirect JTAG programming since years.