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2 jtags? Do you mean 2 JTAG devices (such as a JTAG debug core and a JTAG UART), or 2 JTAG UARTs?
I assume using a serial port would require a hardware change?
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In a project with two cpus is not a good idea use jtag for debug (only for signal tap). I had many problems with it.
Today I use two serial ports for debug of cpus and just use the jtag to download programs.
to use a serial port you only need put serial uart on sopc builder . sopc create to pins ..... tx and rx .... . you conect it on two external pins and put it on serial port of you machine (pc).......
use db9 conector ........ pins 2 and 3..........(and conect the ground ....)
cheers
Franz Wagner
Honored Contributor
