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Altera_Forum's avatar
Altera_Forum
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19 years ago

JTAG Hub, Avalon JTAG UART

Hi, I'm looking for documentation about how to communicate with an Avalon JTAG UART from an external microcontroller. I have read ug_virtualjtag and thus know how i could implement communi...
Altera_Forum's avatar
Altera_Forum
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14 years ago

You need to work out what instructions 0xC and 0xE mean first, then it might be worth taking a look at the JTAG UART protocol which runs over some overlays of instruction 0xC. Be warned, it is quite complex.