I have logic (entities) in my design that I don't remember using, what is this? Sld_hub: auto_hub
This is an entity that is inserted when using Mega-functions that use JTAG, such as SignalTap II and JTAG Uart, and is a block that connects JTAG and UserLogic.
Altera's knowwledge database also has a description, so please check it as well.
https://www.altera.com/support/support-resources/knowledge-base/solutions/rd09012005_325.html
Experienced FAE
Free consultation is available.
From specific product specifications to parts selection, the Company FAE will answer your technical concerns free of charge. Please feel free to contact us.