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Altera_Forum
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18 years ago

JTAG pin 6

Hi, I design a board with cyclone II. I employ JTAG for configuration, signaltap ... My question is : What does pin n°6 of jtag be connected to ? In Cyclone handbook, it is just a n...
Altera_Forum's avatar
Altera_Forum
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18 years ago

The no connect doesn't imply, that the pin is unconnected at the USB Blaster. Cause this AS programming pin has no separate OE, it is also driven in JTAG mode, but to a high level. Thus you shouldn't have problems when shorting it to pin 4 (VCC) at the board.