ep1m120 Altera Corporation, ep1m120 Datasheet - Page 31

• Manufacturer Part Number: ep1m120
• Description: Programmable Logic Device Family
• Manufacturer: Altera Corporation

Altera Corporation
Figure 14. RapidLAB Interconnect Connections
LAB
The column interconnect vertically routes signals to and from LABs, ESBs,
and I/O bands. Each column of LABs is served by a dedicated column
interconnect. These column resources include:
Leap lines are driven directly by LEs for fast access to adjacent row
interconnects. LABs can drive a leap line to the row above and/or below
(including ESB rows). The even-numbered LEs in a LAB drive leap lines
down, while odd-numbered LEs drive leap lines up. This allows a single
LAB to access row and RapidLAB interconnects within a three-row
region.
Column interconnect traversing the entire device from top to bottom
Priority column interconnect for high speed access across the device
vertically
Leap line interconnect for vertical routing between adjacent LAB
rows and between adjacent ESP rows and LAB rows.
Figure 15
shows the leap line interconnect.
RapidLAB Interconnect
Mercury Programmable Logic Device Family Data Sheet
LE 10
LE 2
LE 4
LE 6
LE 8
LE 1
LE 3
LE 5
LE 7
LE 9
RapidLAB interconnects driven by odd-numbered
LEs can drive out to the four LEs to the left and five
LEs to the right through local interconnects.
RapidLAB interconnects driven by even-numbered
LEs can drive out to the four LEs to the right and five
LEs to the left through local interconnects.
Local Interconnect
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