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ECP2 датащи(PDF) 19 Page - Lattice Semiconductor |
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ECP2 датащи(HTML) 19 Page - Lattice Semiconductor |
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19 / 386 page ![]() 2-16 Architecture Lattice Semiconductor LatticeECP2/M Family Data Sheet this special vertical routing channel and the eight secondary clock regions for the ECP2-50. LatticeECP2 devices have four secondary clocks (SC0 to SC3) which are distrubed to every region. The secondary clock muxes are located in the center of the device. Figure 2-16 shows the mux structure of the secondary clock routing. Secondary clocks SC0 to SC3 are used for clock and control and SC4 to SC7 are used for high fan-out signals. Figure 2-15. Secondary Clock Regions ECP2-50 I/O Bank 0 I/O Bank 1 I/O Bank 5 I/O Bank 4 Secondary Clock Region 1 Secondary Clock Region 2 Secondary Clock Region 3 Secondary Clock Region 4 Secondary Clock Region 5 Secondary Clock Region 6 Secondary Clock Region 7 Secondary Clock Region 8 Vertical Routing Channel Regional Boundary EBR Row Regional Boundary DSP Row Regional Boundary DSP Row Regional Boundary |
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