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Altera_Forum's avatar
Altera_Forum
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10 years ago

where is the information about modules in Qsys?

Hi all, where can I find the documents about those components created in qsys? For example, every time you open qsys, there is a clk_0 module in listed as default, with four terminals as clk_in...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Problem solved, maybe....

This clk_0 seems to be a clk bridge module, or CLK and reset generation interface.

When working as bridge, it is used to drive multiple internal components using external clk and reset.

When working as clk and reset generation interface, from 'Show Signal Name' tab when adding this component, reset seems to be low-active.

Not 100% sure whether I am correct...

Really hate reading these datasheet with obscure statement~~