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Altera_Forum
Honored Contributor
18 years agohttp://www.altera.com/support/kdb/solutions/rd09012005_325.html (http://www.altera.com/support/kdb/solutions/rd09012005_325.html)
sld_hub is there for NIOS on-chip debug and for NIOS JTAG UART, as well as signaltap.