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EP2C35A5T324C7N 数据表(PDF) 24 Page - Altera Corporation |
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EP2C35A5T324C7N 数据表(HTML) 24 Page - Altera Corporation |
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24 / 168 page  2–12 Altera Corporation Cyclone II Device Handbook, Volume 1 February 2007 MultiTrack Interconnect R24 row interconnects span 24 LABs and provide the fastest resource for long row connections between non-adjacent LABs, M4K memory blocks, dedicated multipliers, and row IOEs. R24 row interconnects drive to other row or column interconnects at every fourth LAB. R24 row interconnects drive LAB local interconnects via R4 and C4 interconnects and do not drive directly to LAB local interconnects. R24 interconnects can drive R24, R4, C16, and C4 interconnects. Column Interconnects The column interconnect operates similar to the row interconnect. Each column of LABs is served by a dedicated column interconnect, which vertically routes signals to and from LABs, M4K memory blocks, embedded multipliers, and row and column IOEs. These column resources include: ■ Register chain interconnects within an LAB ■ C4 interconnects traversing a distance of four blocks in an up and down direction ■ C16 interconnects for high-speed vertical routing through the device Cyclone II devices include an enhanced interconnect structure within LABs for routing LE output to LE input connections faster using register chain connections. The register chain connection allows the register output of one LE to connect directly to the register input of the next LE in the LAB for fast shift registers. The Quartus II Compiler automatically takes advantage of these resources to improve utilization and performance. Figure 2–9 shows the register chain interconnects. |
类似零件编号 - EP2C35A5T324C7N |
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类似说明 - EP2C35A5T324C7N |
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