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Altera_Forum's avatar
Altera_Forum
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17 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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16 years ago

I have burnt 2 USB Blaster (same symptoms) with card in which JTAG pin 4 and 6 are connected to VCC. I notice that those 2 USB Blaster were > 1 year old and many, many, many operations.

On Altera's kits,

JTAG 6 goes to VCC through 1 kOhm

JTAG 4 goes to VCCA or VccIO through 1 kOhm

I will have a look on Altera literature to figure out.