Electronic digital logic circuitry – Multifunctional or programmable – Array
Reexamination Certificate
2007-01-03
2009-11-24
Tan, Vibol (Department: 2819)
Electronic digital logic circuitry
Multifunctional or programmable
Array
C326S037000, C326S047000, C710S014000
Reexamination Certificate
active
07622950
ABSTRACT:
Dynamically configurable routing logic coupled between physical I/O ports and special purpose I/O associated with functions within a panel ASIC is disclosed that provide different routing configurations between the physical I/O ports and the special purpose I/O. In one routing configuration, any special purpose output can be coupled to one or more physical I/O ports, providing flexibility to route any functional I/O to any physical I/O port. In a second routing configuration, any input signal on a physical I/O port can be coupled to one or more special purpose inputs. In a third routing configuration, the input signals on a number of physical I/O ports can be configured to independently assert a single special purpose input for interrupt triggering. The dynamically configurable nature of the routing logic allows routing to be changed on the fly.
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Krah Christoph Horst
Reeve Richard James
Apple Inc.
Lo Christopher
Morrison & Foerster / LLP
Tan Vibol
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