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Altera_Forum
Honored Contributor
Honored ContributorJTAG 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_ForumHonored Contributor
Honored ContributorWhat I meant was that the JTAG hardware interface isn't able to access any system memory.
When the debugger requests a memory access, the JTAG hardware interrupts the nios cpu which performs the required memory access and send the response back to the debugger.
