參數(shù)資料
型號: LFXP20E-5FN484C
廠商: LATTICE SEMICONDUCTOR CORP
元件分類: FPGA
中文描述: FPGA, 2464 CLBS, PBGA484
封裝: 23 X 23 MM, LEAD FREE, FPBGA-484
文件頁數(shù): 2/130頁
文件大?。?/td> 1312K
代理商: LFXP20E-5FN484C
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
Clock Input
PLL Input
From Routing
Clock Input
From Routing
PLL
20 Primary Clock Sources
To Quadrant Clock Selection
Note: Smaller devices have two PLLs.
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