1. A programmable integrated circuit device, comprising:
first and second megacells of a first plurality of megacells, each of the first and second megacells having a plurality of inputoutput ports;
a first line of a first plurality of lines, wherein:
the first plurality of lines comprises a bus associated with the first plurality of megacells,
the first line is programmably coupleable to a first inputoutput port of the first megacell, and
the first line is programmably coupleable to a second inputoutput port of the second megacell; and
a first programmable combinatorial logic element programmably coupleable to the first line.
2. The programmable integrated circuit device of claim 1, further comprising:
third and fourth megacells of a second plurality of megacells, each of the third and fourth megacells having a plurality of inputoutput ports;
a second line of a second plurality of lines, wherein:
the second plurality of lines comprises a bus associated with the second plurality of megacells,
the second line is programmably coupleable to a third inputoutput port of the third megacell, and
the second line is programmably coupleable to a fourth inputoutput port of the fourth megacell; and
a second programmable combinatorial logic element programmably coupleable to the second line.
3. The programmable integrated circuit device of claim 2, wherein the first line is programmably coupleable to the second line.
4. The programmable integrated circuit device of claim 3, wherein:
the first plurality of lines is a core bus; and
the second plurality of lines is a core bus.
5. The programmable integrated circuit device of claim 3, wherein:
the first plurality of lines is a core bus; and
the second plurality of lines is a peripheral bus.
6. The programmable integrated circuit device of claim 1, further comprising:
a third inputoutput port of the first megacell;
a fourth inputoutput port of the second megacell;
a second programmable combinatorial logic element; and
a second line of the first plurality of lines, wherein:
the third inputoutput port is programmably coupleable to the second line,
the fourth inputoutput port is programmably coupleable to the second line, and
the second programmable combinatorial logic element is programmably coupleable to the second line.
7. The programmable integrated circuit device of claim 6, wherein:
the first plurality of lines is a peripheral bus;
the first and second inputoutput ports are outputs; and
the third and fourth inputoutput ports are inputs.
8. The programmable integrated circuit device of claim 6, wherein:
the first plurality of lines is a core bus;
the first and second inputoutput ports are outputs; and
the third and fourth inputoutput ports are inputs.
9. The programmable integrated circuit device of claim 6, wherein the first line and second lines are bidirectional.
10. The programmable integrated circuit device of claim 1, wherein the first plurality of lines is a peripheral bus.
11. The programmable integrated circuit device of claim 1, wherein the first plurality of lines is a core bus.
12. The programmable integrated circuit device of claim 1, wherein the first inputoutput port is an output.
13. The programmable integrated circuit device of claim 1, wherein the first inputoutput port is an input.
14. The programmable integrated circuit device of claim 1, further comprising:
a second line of a second plurality of lines, wherein the first line of the first plurality of lines is programmably coupleable to the second line of the second plurality of lines; and
a first inputoutput pad coupled to the second line of the second plurality of lines.
15. The programmable integrated circuit device of claim 14, wherein the first inputoutput pad is coupled to the second line of the second plurality of lines through a programmable connection.
16. The programmable integrated circuit device of claim 14, wherein the first line of the first plurality of lines is programmably coupleable to the second line of the second plurality of lines through a three-statable connection.
17. The programmable integrated circuit device of claim 14, wherein the first inputoutput pad is coupled to the second line of the second plurality of lines through a direct hardwired connection.
18. The programmable integrated circuit device of claim 14, wherein:
the first plurality of lines is a peripheral bus; and
the second plurality of lines comprises I-matrix lines.
19. The programmable integrated circuit device of claim 14, wherein the first and second lines are bidirectional.
20. The programmable integrated circuit device of claim 1, wherein the first line is bidirectional.
21. A programmable integrated circuit device, comprising:
a first plurality of lines comprising a bus associated with a first plurality of megacells;
a first megacell of the plurality of megacells having a first plurality of inputoutput ports, wherein:
each inputoutput port of the first plurality of inputoutput ports is programmably coupleable to at least one line of the first plurality of lines, and
each line of the first plurality of lines is programmably coupleable to at least one of the inputoutput ports of the first plurality of inputoutput ports; and
a programmable combinatorial logic element programmably coupleable to a first line of the first plurality of lines.
22. The programmable integrated circuit device of claim 21, wherein the first plurality of lines is a peripheral bus.
23. The programmable integrated circuit device of claim 21, wherein the first plurality of lines is a core bus.
24. The programmable integrated circuit device of claim 21, further comprising:
a second line of a second plurality of lines programmably coupleable to the programmable combinatorial logic element;
an inputoutput pad coupled to the second line of the second plurality of lines.
25. The programmable integrated circuit device of claim 24, wherein the inputoutput pad is coupled to the second line of the second plurality of lines through a direct hardwired connection.
26. The programmable integrated circuit device of claim 24, wherein the first inputoutput pad is coupled to the second line of the second plurality of lines through a programmable connection.
27. The programmable integrated circuit device of claim 26, wherein:
the first plurality of lines is a peripheral bus; and
the second plurality of lines comprises I-matrix lines.
28. The programmable integrated circuit device of claim 24, wherein:
the first plurality of lines is a peripheral bus; and
the second plurality of lines comprises I-matrix lines.
29. The programmable integrated circuit device of claim 24, further comprising a second megacell of the plurality of megacells having a second plurality of inputoutput ports, wherein:
each inputoutput port of the first plurality of inputoutput ports is programmably coupleable to at least one line of the first plurality of lines, and
each line of the first plurality of lines is programmably coupleable to at least one of the inputoutput ports.
30. The programmable integrated circuit device of claim 29, wherein the first plurality of lines is a core bus.
31. The programmable integrated circuit device of claim 21, further comprising a second megacell of the plurality of megacells having a second plurality of inputoutput ports, wherein:
each inputoutput port of the first plurality of inputoutput ports is programmably coupleable to at least one line of the first plurality of lines, and
each line of the first plurality of lines is programmably coupleable to at least one of the inputoutput ports.
32. The programmable integrated circuit device of claim 31, wherein the first plurality of lines is a core bus.
33. The programmable integrated circuit device of claim 24, further comprising:
a third plurality of lines comprising a bus associated with the first plurality of megacells; and
a second plurality of inputoutput ports of the first megacell, wherein:
each inputoutput port of the second plurality of inputoutput ports is programmably coupleable to at least one line of the third plurality of lines, and
each line of the third plurality of lines is programmably coupleable to at least one of the inputoutput ports of the second plurality of input ports.
34. The programmable integrated circuit device of claim 21, further comprising:
a second plurality of lines comprising a bus associated with the first plurality of megacells; and
a second plurality of inputoutput ports of the first megacell, wherein:
each inputoutput port of the second plurality of inputoutput ports is programmably coupleable to at least one line of the second plurality of lines, and
each line of the second plurality of lines is programmably coupleable to at least one of the inputoutput ports of the second plurality of input ports.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A track for traction of an off-road vehicle, the track being mountable around a track-engaging assembly of the off-road vehicle, the track-engaging assembly comprising a drive wheel for driving the track, the track being elastomeric to be flexible around the track-engaging assembly, the track comprising:
an inner surface for facing the track-engaging assembly;
a ground-engaging outer surface for engaging the ground;
a plurality of traction projections projecting from the ground-engaging outer surface; and
a plurality of stiffening rods extending transversally to a longitudinal direction of the track, each stiffening rod of the plurality of stiffening rods having a cross-section perpendicular to a longitudinal axis of the stiffening rod, the cross-section of the stiffening rod being elongate.
2. The track claimed in claim 1, wherein the cross-section of the stiffening rod has an aspect ratio of at least 4.
3. The track claimed in claim 2, wherein the aspect ratio of the cross-section of the stiffening rod is at least 6.
4. The track claimed in claim 1, wherein the cross-section of the stiffening rod is substantially flat.
5. The track claimed in claim 1, wherein the cross-section of the stiffening rod is oblong.
6. The track claimed in claim 5, wherein the cross-section of the stiffening rod is oblong rectangular.
7. The track claimed in claim 1, wherein the stiffening rod is plate-like.
8. The track claimed in claim 1, wherein the cross-section of the stiffening rod is constant along at least a majority of a length of the stiffening rod.
9. The track claimed in claim 8, wherein the cross-section of the stiffening rod is constant along an entirety of the length of the stiffening rod.
10. The track claimed in claim 1, comprising a plurality of reinforcing cables extending generally in the longitudinal direction of the track.
11. The track claimed in claim 1, comprising a plurality of stiffening cables extending transversally to the longitudinal direction of the track.
12. The track claimed in claim 10, wherein the reinforcing cables are located between the stiffening rods and the inner surface in a thickness direction of the track.
13. The track claimed in claim 10, wherein the reinforcing cables are located between the stiffening rods and the ground-engaging outer surface in a thickness direction of the track.
14. The track claimed in claim 11, wherein the stiffening cables are located between the stiffening rods and the ground-engaging outer surface in a thickness direction of the track.
15. The track claimed in claim 11, wherein the stiffening cables are located between the stiffening rods and the inner surface in a thickness direction of the track.
16. The track claimed in claim 1, comprising a plurality of driveguide projections projecting from the inner surface.
17. The track claimed in claim 16, wherein the driveguide projections are configured for engaging the drive wheel to drive the track.
18. An off-road vehicle comprising the track claimed in claim 1.
19. The off-road vehicle claimed in claim 18, wherein the off-road vehicle is a snowmobile.
20. A track for traction of an off-road vehicle, the track being mountable around a track-engaging assembly of the off-road vehicle, the track-engaging assembly comprising a drive wheel for driving the track, the track being elastomeric to be flexible around the track-engaging assembly, the track comprising:
an inner surface for facing the track-engaging assembly;
a ground-engaging outer surface for engaging the ground;
a plurality of traction projections projecting from the ground-engaging outer surface; and
a plurality of stiffening rods extending transversally to a longitudinal direction of the track, each stiffening rod of the plurality of stiffening rods having a cross-section perpendicular to a longitudinal axis of the stiffening rod, the cross-section of the stiffening rod having an aspect ratio of at least 4.
21. A track for traction of an off-road vehicle, the track being mountable around a track-engaging assembly of the off-road vehicle, the track-engaging assembly comprising a drive wheel for driving the track, the track being elastomeric to be flexible around the track-engaging assembly, the track comprising:
an inner surface for facing the track-engaging assembly;
a ground-engaging outer surface for engaging the ground;
a plurality of traction projections projecting from the ground-engaging outer surface; and
a plurality of stiffening rods extending transversally to a longitudinal direction of the track, each stiffening rod of the plurality of stiffening rods having a cross-section perpendicular to a longitudinal axis of the stiffening rod, a ratio of (i) a thickness of the cross-section of the stiffening rod in a thickness direction of the track over (ii) a thickness of a carcass of the track from the inner surface to the ground-engaging outer surface in the thickness direction of the track is less than 0.7.
22. A track for traction of an off-road vehicle, the track being mountable around a track-engaging assembly of the off-road vehicle, the track-engaging assembly comprising a drive wheel for driving the track, the track being elastomeric to be flexible around the track-engaging assembly, the track comprising:
an inner surface for facing the track-engaging assembly;
a ground-engaging outer surface for engaging the ground;
a plurality of traction projections projecting from the ground-engaging outer surface; and
a plurality of stiffening rods extending transversally to a longitudinal direction of the track, each stiffening rod of the plurality of stiffening rods having a cross-section perpendicular to a longitudinal axis of the stiffening rod, a thickness of the cross-section of the stiffening rod in a thickness direction of the track being less than 3.5 mm.