User registers implemented with routing circuits in a configurable IC

1. A configurable integrated circuit (“IC”) comprising:

a plurality of configurable logic circuits each for configurably performing a set of functions; and

a plurality of configurable routing circuits for configurably routing signals to and from said configurable circuits;

wherein a plurality of data registers are defined by the configurable routing circuits during a plurality of operational cycles of the configurable IC;

wherein the configurable routing circuits comprise a plurality of configurable interconnect/storage circuits, each configurable interconnect/storage circuit (i) communicatively coupling circuits of the configurable IC when configured as an interconnect circuit and (ii) storing data when configured as a storage circuit,

wherein an output of a first interconnect/storage circuit and an output of a second interconnect/storage circuit are connected to two inputs of a switching circuit to form a double-edge triggered flip flop.

2. The configurable IC of claim 1 ,

wherein a plurality of configurable logic circuits form a circuit arrangement;

wherein a plurality of said data registers serve as input/output registers that exchange data with circuits outside of the circuit arrangement.

3. The configurable IC of claim 2 , wherein said circuits outside of the circuit arrangement are located outside the configurable IC.

4. The configurable IC of claim 2 , wherein said circuits outside of the circuit arrangement are located inside the configurable IC.

5. The configurable IC of claim 1 ,

wherein at least one of said data registers is defined between a first configurable logic circuit and a second configurable logic circuit;

wherein said at least one data register receives a signal from the first configurable logic circuit, holds the signal for a period of time, and sends the signal to the second configurable logic circuit.

6. The configurable IC of claim 1 , wherein the switching circuit is one of a configurable interconnect circuit and a configurable logic circuit.

7. The configurable IC of claim 1 , wherein said configurable routing circuits are interconnect circuitry available throughout the IC fabric.

8. A configurable integrated circuit (“IC”) comprising:

a plurality of configurable logic circuits each for configurably performing a set of functions; and

a plurality of configurable routing circuits for configurably routing signals to and from said configurable circuits;

wherein a plurality of data registers are defined by the configurable routing circuits during a plurality of operational cycles of the configurable IC;

wherein the configurable routing circuits comprise a plurality of configurable interconnect/storage circuit, each configurable interconnect/storage circuit (i) communicatively coupling circuits of the configurable IC when configured as an interconnect circuit and (ii) storing data when configured as a storage circuit;

wherein a first configurable interconnect/storage circuit and a second configurable interconnect/storage circuit are communicatively coupled to form a single data register.

9. The configurable IC of claim 8 , wherein an output of the first interconnect/storage circuit is directly passed to an input of the second interconnect/storage circuit.

10. The configurable IC of claim 8 , wherein an output of the first interconnect/storage circuit is passed to an input of the second interconnect/storage circuit through at least one other interconnect/storage circuit.

11. The configurable IC of claim 8 , wherein an output of the first interconnect/storage circuit is passed to an input of the second interconnect/storage circuit through at least one other configurable circuit.

12. An electronics system comprising:

a configurable integrated circuit (“IC”) comprising:

a plurality of configurable logic circuits each for configurably performing a set of functions; and

a plurality of routing circuits for routing signals to and from said configurable circuits;

wherein a plurality of data registers are defined by the routing circuits during a plurality of operational cycles of the configurable IC;

wherein the configurable routing circuits comprise a plurality of configurable interconnect/storage circuits, each configurable interconnect/storage circuit (i) communicatively coupling circuits of the configurable IC when configured as an interconnect circuit and (ii) storing data when configured as a storage circuit,

wherein an output of a first interconnect/storage circuit and an output of a second interconnect/storage circuit are connected to two inputs of a switching circuit to form a double-edge triggered flip flop.

13. The electronics system of claim 12 ,

wherein a plurality of configurable logic circuits form a circuit arrangement;

wherein a plurality of said data registers serve as input/output registers that exchange data with circuits outside of the circuit arrangement.

14. The electronics system of claim 12 ,

wherein at least one of said data registers is defined between a first configurable logic circuit and a second configurable logic circuit;

wherein said at least one data register receives a signal from the first configurable logic circuit, holds the signal for a period of time, and sends the signal to the second configurable logic circuit.

15. The electronics system of claim 12 , wherein the switching circuit is one of a configurable interconnect circuit and a configurable logic circuit.

16. The electronics system of claim 12 further comprising a non-volatile memory for storing configuration data and for supplying configuration data to the configurable IC when the configurable IC powers up.

17. The electronics system of claim 16 , wherein the non-volatile memory and the configurable IC are on different IC dies.

18. The electronics system of claim 16 , wherein the non-volatile memory and the configurable IC are on the same IC die.

19. The electronics system of claim 12 , wherein said routing circuits are interconnect circuitry available throughout the IC fabric.

20. An electronics system comprising:

a configurable integrated circuit (“IC”) comprising:

a plurality of configurable logic circuits each for configurably performing a set of functions; and

a plurality of routing circuits for routing signals to and from said configurable circuits;

wherein a plurality of data registers are defined by the routing circuits during a plurality of operational cycles of the configurable IC;

wherein the configurable routing circuits comprise a plurality of configurable interconnect/storage circuit, each configurable interconnect/storage circuit (i) communicatively coupling circuits of the configurable IC when configured as an interconnect circuit and (ii) storing data when configured as a storage circuit;

wherein a first configurable interconnect/storage circuit and a second configurable interconnect/storage circuit are communicatively coupled to form a single data register.

21. The electronics system of claim 20 , wherein an output of the first interconnect/storage circuit is directly passed to an input of the second interconnect/storage circuit.

22. The electronics system of claim 20 , wherein an output of the first interconnect/storage circuit is passed to an input of the second interconnect/storage circuit through at least one other interconnect/storage circuit.

23. The electronics system of claim 20 , wherein an output of the first interconnect/storage circuit is passed to an input of the second interconnect/storage circuit through at least one other configurable circuit.