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A simple one I think:
Could somebody tell me the definition of 'keepers' that I'm using in my sta reporting, as in 'get_keepers'. How does it differ from 'registers' or 'ports'.
Can't seem to find a definition in the documentation.
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Hi Witty,
Terminology Definition:
nodes: Most basic timing netlist unit. Use to represent ports, pins, and registers.
keepers: Ports or registers. (1)
cells: Look-up table (LUT), registers, digital signal processing (DSP) blocks,
TriMatrix memory, IOE, and so on. (2)
pins: Inputs or outputs of cells.
nets: Connections between pins.
ports: Top-level module inputs or outputs; for example, device pins.
For more info's look into:
http://www.altera.com/literature/hb/qts/qts_qii5v3_02.pdf in the timequest chapter.
Kind regards
GPK
