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A programmable integrated circuit device includes a plurality of clusters of programmable logic resources. Programmable device interconnect resources allow user-defined interconnection between the clusters of programmable logic resources. A plurality of specialized processing blocks have dedicated a

A programmable integrated circuit device includes a plurality of clusters of programmable logic resources. Programmable device interconnect resources allow user-defined interconnection between the clusters of programmable logic resources. A plurality of specialized processing blocks have dedicated arithmetic operators and programmable internal interconnect resources, and having inputs and outputs programmably connectable to the programmable device interconnect resources. A plurality of dedicated memory modules have inputs and outputs programmably connectable to the programmable device interconnect resources. Programmably connectable direct interconnect between at least one respective individual one of the specialized processing blocks and at least one respective individual one of the dedicated memory modules allow the formation of a processor element from a specialized processing block and a memory module. The specialized processing block may be designed with a datapath and operators arranged to support the configuring of a processor element.

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1. A programmable integrated circuit device comprising: a plurality of clusters of programmable logic resources;programmable device interconnect resources allowing user-defined interconnection between the clusters of programmable logic resources;a plurality of specialized processing blocks having de

1. A programmable integrated circuit device comprising: a plurality of clusters of programmable logic resources;programmable device interconnect resources allowing user-defined interconnection between the clusters of programmable logic resources;a plurality of specialized processing blocks having dedicated arithmetic operators and programmable internal interconnect resources, and having inputs and outputs programmably connectable to the programmable device interconnect resources;a plurality of dedicated memory modules having inputs and outputs programmably connectable to the programmable device interconnect resources;a programmably connectable direct interconnect between at least one specialized processing block of the plurality of specialized processing blocks and at least one dedicated memory module of the plurality of dedicated memory modules; andat least one program instruction decoder programmably connectable to the at least one specialized processing block;wherein when the programmably connectable direct interconnect is turned on: the at least one specialized processing block and the at least one dedicated memory module collectively function as at least one processing element; andthe at least one program instruction decoder decodes one or more program instructions for execution by the at least on processing element;wherein when the programmably connectable direct interconnect is turned off: the at least one specialized processing block functions as at least one arithmetic operator; andthe at least one dedicated memory module functions as at least one independent memory. 2. The programmable integrated circuit device of claim 1 wherein: the programmable connectable direct interconnect comprises a plurality of programmably connectable direct connections; andeach programmably connectable direct connection of the plurality of programmably connectable direct connections programmably connects a respective specialized processing block of the plurality of specialized processing blocks to a respective dedicated memory module of the plurality of dedicated memory modules. 3. The programmable integrated circuit device of claim 2 wherein the at least one specialized processing block is programmably connected to multiple programmably connectable direct connections of the plurality of programmably connectable direct connections. 4. The programmable integrated circuit device of claim 2 wherein the at least one dedicated memory module is programmably connected to multiple programmably connectable direct connections of the plurality of programmably connectable direct connections. 5. The programmable integrated circuit device of claim 2 wherein the at least one specialized processing block and the at least one dedicated memory module are located adjacent one another. 6. The programmable integrated circuit device of claim 5 wherein: the programmable integrated circuit device is arranged in a rectilinear floorplan of rows and columns, the clusters of programmable logic resources, the specialized processing blocks, and the dedicated memory modules being arranged in respective columns of the floorplan;a column of the plurality of specialized processing blocks and a column of the plurality of dedicated memory modules are adjacent one another in the floorplan; andthe at least one specialized processing block and the at least one dedicated memory module are located, respectively, in the column of the plurality of specialized processing blocks and the column of the plurality of dedicated memory modules that are adjacent one another in the floorplan. 7. The programmable integrated circuit device of claim 1 wherein the at least one program instruction decoder is located within the at least one specialized processing block. 8. The programmable integrated circuit device of claim 1 wherein the at least one program instruction decoder is located within the at least one dedicated memory module. 9. The programmable integrated circuit device of claim 1 further comprising at least one instruction store programmably connectable to the at least one program instruction decoder. 10. The programmable integrated circuit device of claim 9 wherein the at least one instruction store is located within the at least one specialized processing block. 11. The programmable integrated circuit device of claim 9 wherein the at least one instruction store is located within the at least one dedicated memory module. 12. The programmable integrated circuit device of claim 1 wherein the at least one specialized processing block comprises: a datapath; anda plurality of arithmetic operators separate from the datapath, where each arithmetic operator of the plurality of arithmetic operators is independently programmably connectable to the datapath. 13. The programmable integrated circuit device of claim 12 wherein the at least one specialized processing block further comprises a plurality of registers, wherein each register of the plurality of registers is separate from the datapath and independently programmably connectable to the datapath. 14. A method of configuring a processing element in a programmable integrated circuit device having a plurality of clusters of programmable logic resources, programmable device interconnect resources allowing user-defined interconnection between the clusters of programmable logic resources, a plurality of specialized processing blocks having dedicated arithmetic operators and programmable internal interconnect resources, and having inputs and outputs programmably connectable to the programmable device interconnect resources, a plurality of dedicated memory modules having inputs and outputs programmably connectable to the programmable device interconnect resources, and programmably connectable direct interconnect between at least one specialized processing block of the plurality of specialized processing blocks and at least one dedicated memory module of the plurality of dedicated memory modules, the method comprising: programmably connecting a direct connection between the at least one specialized processing block and the at least one dedicated memory modules to form at least one processing element;decoding one or more program instructions for execution by the at least one processing element using a program instruction decoder; andprogrammably disconnecting the direct connection between the at least one specialized processing block and the at least one dedicated memory modules, such that the at least one specialized processing block functions as at least one arithmetic operator and the at least one dedicated memory module functions as at least one independent memory. 15. The method of claim 14 wherein the at least one specialized processing block and the at least one dedicated memory module are adjacent to one another. 16. The method of claim 15 wherein: the programmable integrated circuit device is arranged in a rectilinear floorplan of rows and columns, the clusters of programmable logic resources, the specialized processing blocks, and the dedicated memory modules being arranged in respective columns of the floorplan; andthe at least one specialized processing block and the at least one the dedicated memory module are in adjacent columns of the floorplan. 17. The method of claim 16 wherein the at least one specialized processing block and the at least one dedicated memory module are in a common row of the adjacent columns of the floorplan. 18. The method of claim 16 wherein the at least one specialized processing block and the at least one dedicated memory module are in adjacent rows of the adjacent columns of the floorplan. 19. The method of claim 14 further comprising storing instructions for the program instruction decoder in the at least one dedicated memory module. 20. The method of claim 14 further comprising: programmably connecting a second direct connection between the program instruction decoder and a dedicated instruction store; andstoring the one or more program instructions in the dedicated instruction store. 21. The method of claim 14 further comprising programmably connecting independent connections of a plurality of arithmetic operators to a datapath of the at least one specialized processing block. 22. The method of claim 21 further comprising programmably connecting at least one independent connection of at least one register to the datapath of the at least one specialized processing block. 23. A specialized processing block for a programmable integrated circuit device, said specialized processing block comprising: a datapath; anda plurality of arithmetic operators separate from the datapath, wherein each arithmetic operator of the plurality of arithmetic operators is programmably independently connectable to the datapath;wherein the specialized processing block is programmably connectable to a dedicated memory module of the programmable integrated circuit device via a programmably connectable direct interconnect;wherein when the programmably connectable direct interconnect is turned on: the specialized processing block and the dedicated memory module collectively function as a processing element; andat least one arithmetic operator of the plurality of arithmetic operators is programmably connected to the datapath;wherein when the programmably connectable direct interconnect is turned off: the specialized processing block functions as at least one arithmetic operator; andthe at least one arithmetic operator is programmably disconnected from the datapath. 24. The specialized processing block of claim 23 further comprising a plurality of registers separate from the datapath and programmably independently connectable to the datapath; wherein when the programmably connectable direct interconnect is turned on, at least one register of the plurality of registers is programmably connected to the datapath; andwherein when the programmably connectable direct interconnect is turned off, the at least one register of the plurality of registers is programmably disconnected to the datapath.