| 摘要 |
An integrated circuit having multiple programmable arrays in which a first programmable array receives a plurality of first inputs and generates a plurality of first outputs as programmed by the user. Also, a second programmable array receives a plurality of second inputs and generates a plurality of second outputs as programmed by the user. Also, buried state registers store signals as programmed by the user. An input multiplexer selects and supplies the first and second inputs from a variety of sources, including the first and second outputs, the buried state registers and I/O pins. An output multiplexer selects and supplies output signals to a set of output pins from a variety of sources, including the first and second outputs and the buried state registers.
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