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| XC2V4000 Datasheet, PDF (41/311 Pages) Xilinx, Inc – Summary of Features | |||
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R
Virtexâ¢-II Platform FPGAs: Detailed Description
Active Interconnect Technology
Local and global Virtex-II routing resources are optimized for speed and timing predictability, as well as to facilitate IP cores
implementation. Virtex-II Active Interconnect Technology is a fully buffered programmable routing matrix. All routing
resources are segmented to offer the advantages of a hierarchical solution. Virtex-II logic features like CLBs, IOBs, block
RAM, multipliers, and DCMs are all connected to an identical switch matrix for access to global routing resources, as shown
in Figure 47.
Switch
Matrix
CLB
Switch
Matrix
Switch
IOB
Matrix
Switch
Matrix
DCM
Switch
Matrix
Switch
Matrix
Switch
Matrix
18Kb
BRAM
MULT
18 x 18
DS031_55_101000
Figure 47: Active Interconnect Technology
Each Virtex-II device can be represented as an array of switch matrixes with logic blocks attached, as illustrated in Figure 48.
Switch
Matrix
IOB
Switch
Matrix
IOB
Switch
Matrix
IOB
Switch
Matrix
DCM
Switch
Matrix
Switch
Matrix
IOB
Switch
Matrix
CLB
Switch
Matrix
CLB
Switch
Matrix
Switch
Matrix
Switch
Matrix
IOB
Switch
Matrix
CLB
Switch
Matrix
CLB
Switch
Matrix
Switch
Matrix
Switch
Matrix
IOB
Switch
Matrix
CLB
Switch
Matrix
CLB
Switch
Matrix
Switch
Matrix
Switch
Matrix
IOB
Switch
Matrix
CLB
Switch
Matrix
CLB
Switch
Matrix
Switch
Matrix
Figure 48: Routing Resources
DS031_34_110300
DS031-2 (v3.0) August 1, 2003
Product Specification
www.xilinx.com
1-800-255-7778
Module 2 of 4
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