LFE3-17EA-7LMG328C Lattice Semiconductor Corp., LFE3-17EA-7LMG328C Datasheet - Page 19
LFE3-17EA-7LMG328C
Manufacturer Part Number
LFE3-17EA-7LMG328C
Description
Specifications: Number of Gates: - ; Number of I /O: 116 ; Lead Free Status: Lead Free ; RoHS Status: RoHS Compliant
Manufacturer
Lattice Semiconductor Corp.
Datasheet
1.LFE3-95EA-7LFN672I.pdf
(141 pages)
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Figure 2-16. Per Region Secondary Clock Selection
Slice Clock Selection
Figure 2-17 shows the clock selections and Figure 2-18 shows the control selections for Slice0 through Slice2. All
the primary clocks and seven secondary clocks are routed to this clock selection mux. Other signals can be used
as a clock input to the slices via routing. Slice controls are generated from the secondary clocks/controls or other
signals connected via routing.
If none of the signals are selected for both clock and control then the default value of the mux output is 1. Slice 3
does not have any registers; therefore it does not have the clock or control muxes.
Figure 2-17. Slice0 through Slice2 Clock Selection
Figure 2-18. Slice0 through Slice2 Control Selection
SC0
8:1
SC1
Secondary Clock
Secondary Control
8:1
Primary Clock
Secondary Clock Feedlines: 6 PIOs + 16 Routing
8 Secondary Clocks (SC0 to SC7) per Region
SC2
Routing
Routing
8:1
Vcc
Vcc
SC3
8:1
Clock/Control
12
14
8
7
1
5
1
SC4
2-16
8:1
SC5
28:1
20:1
8:1
Clock to Slice
Slice Control
SC6
8:1
LatticeECP3 Family Data Sheet
SC7
8:1
Architecture
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