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Displays information about the row interconnect, which routes signals throughout a row of MegaLAB™ structures (in APEX™ 20K, APEX™ II, and ARM®-based Excalibur™ devices) or LABs (in ACEX® 1K, FLEX® 6000, FLEX 10KE, and Mercury™ devices).
If you are using an APEX 20K or ARM-based Excalibur device, the section displays the number of lines, which includes those lines used as half-lines (that is, lines that traverse half of the device in a horizontal direction) used in the row interconnects.
If you are using an APEX II device, the section displays the number of line segments (which include half-lines) that are used in the row interconnects.
If you are using an ACEX 1K, FLEX 6000, or FLEX 10KE device, the section displays the number of lines, left half-lines, and right half-lines used in the row interconnects. The lines in these devices are separate entities from the left and right half-lines.
If you are using a Mercury device, the section displays the number of lines and half-lines used in the row interconnects. The lines in these devices are separate entities from the half-lines.
Information is provided as follows for APEX 20K, ARM-based Excalibur, or Mercury devices:
| Heading | Description |
|---|---|
| Row | Shows the letter of the row interconnect. |
| Lines Available | Shows the total number of row interconnect lines available for use by signals in the design. |
| Lines Used | Shows the actual number and percentage of row interconnect lines used by signals in the design. |
| Half-Lines Used | Shows the actual number and percentage of row interconnect half-lines used by signals in the design. This column does not appear when you select a device that does not contain half-lines. |
Information is provided as follows for APEX II devices:
| Heading | Description |
|---|---|
| Row | Shows the letter of the row interconnect. |
| Line Segments Used | Shows the total number of row interconnect lines used by signals in the design. |
Information is provided as follows for ACEX 1K, FLEX 6000, and FLEX 10KE devices:
| Heading | Description |
|---|---|
| Row | Shows the letter of the row interconnect. |
| Lines Used | Shows the number and percentage of row interconnect lines used by signals in the design. |
| Left Half-Lines Used | Shows the number and percentage of row interconnect left half-lines used by signals in the design. |
| Right Half-Lines Used | Shows the number and percentage of row interconnect right half-lines used by signals in the design. |
The following example shows the Row Interconnect section generated for a sample design using an APEX 20K device:
The following example shows the Row Interconnect section generated for a sample design using an APEX II device:
The following example shows the Row Interconnect section generated for a sample design using a FLEX 6000 device:
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