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Buses
Multicap 9 User Guide 6-17
Net mode is a more traditional way of using buses in schematic capture programs. Busline
mode allows for a more modern, declaration-before-use, approach to designing buses that
minimizes entry errors. Although you can switch between the two modes, you are encouraged
to use either one style or the other for any given circuit (switching from busline mode to net
mode loses information).
Buses exist in multiple bus segments. All bus segments with the same name are parts of the
same bus. They need not all be connected physically. To connect a bus to other pages of the
same circuit, a bus offpage connector is used. These work analogously to regular offpage
connectors in that they allow a bus to be continued onto a second or third page.
A nested circuit can use a Bus HB/SC Connector to specify that one of the pins of the
hierarchical block or subcircuit should be a bus pin. When using the nested circuit, attaching a
bus to such a bus pin brings up a dialog box asking you to map the buslines (or nets) of the bus
on the parent circuit to those in the nested circuit. This mapping is necessary as each instance
Net Mode
Busline Mode
Bus Offpage Connectors