| 摘要 |
One aspect of the invention provides an apparatus for modeling a plurality of switching operations arranged in a plurality of switching stages. The apparatus comprises a respective switch stage component for each switching stage, and each switch stage component comprises a respective addressable switch state indicator for each switching operation associated with the respective switching stage. The values of the switch state indicators in a given switch stage component identify a respective switch state indicator in another switch stage component. The switch stage components are interconnected such that addressing a switch state indicator in one switch stage component causes the respective identified switch state indicator in another swi1:ch stage component to be addressed. In the preferred embodiment, each switch stage component comprises a respective Look-Up Table.
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