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Abstract

Integrated circuits may include logic regions configurable to perform custom functions. Interconnects may be used to route signals throughout the integrated circuit. The logic region may be coupled to input selection circuitry for selecting and providing input signals from the interconnects to the logic regions and to output selection and routing circuitry for selecting and transmitting output signals over interconnects to other logic regions. Bypass circuitry may provide direct access to registers inside the logic regions and to the output selection and routing circuitry by bypassing the input selection circuitry and other processing circuitry inside the logic regions. Bus interconnections having logic regions performing register pipelining, wire stitching, and acting as data source/sink stations to get on and off the bus interconnections may be generated by configuring the bypass circuitry and the output selection and routing circuitry appropriately.

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