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LFXP Datasheet(PDF) 10 Page - Lattice Semiconductor

Part # LFXP
Description  LatticeXP Family Data Sheet
PDF  130 Pages
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Manufacturer  LATTICE [Lattice Semiconductor]
Direct Link  http://www.latticesemi.com
Logo LATTICE - Lattice Semiconductor

LFXP Datasheet(HTML) 10 Page - Lattice Semiconductor

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2-7
Architecture
Lattice Semiconductor
LatticeXP Family Data Sheet
Figure 2-5. Primary Clock Sources
Secondary Clock Sources
LatticeXP devices have four secondary clock resources per quadrant. The secondary clock branches are tapped at
every PFU. These secondary clock networks can also be used for controls and high fanout data. These secondary
clocks are derived from four clock input pads and 16 routing signals as shown in Figure 2-6.
From Routing
Clock Input
From Routing
PLL Input
Clock Input
PLL Input
PLL Input
Clock Input
PLL Input
From Routing
Clock Input
From Routing
PLL
PLL
PLL
PLL
20 Primary Clock Sources
To Quadrant Clock Selection
Note: Smaller devices have two PLLs.



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