LFXP20C-5F484C Lattice, LFXP20C-5F484C Datasheet - Page 274
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LFXP20C-5F484C
Manufacturer Part Number
LFXP20C-5F484C
Description
IC FPGA 19.7KLUTS 340I/O 484-BGA
Manufacturer
Lattice
Datasheet
1.LFXP3C-3T100C.pdf
(397 pages)
Specifications of LFXP20C-5F484C
Lead Free Status / Rohs Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFXP20C-5F484C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
PCB Layout Recommendations for VCCPLL and GNDPLL if Separate Pins are Available
It is best to connect VCCPLL to VCC at a single point using a filter and to create a separate GNDPLL plane directly
under it (tied via a single point to GND).
Separate islands for both VCCPLL and GNDPLL are recommended if applicable.
DCS Usage with Verilog
module dcs(clk0,clk1,sel,dcsout);
input clk0, clk1, sel;
output dcsout;
DCS DCSInst0 (.SEL(sel),.CLK0(clk0),.CLK1(clk1),.DCSOUT(dcsout));
defparam DCSInst0.DCSMODE = "CLK0";
endmodule
DCS Usage with VHDL
COMPONENT DCS
-- synthesis translate_off
-- synthesis translate_on
END COMPONENT;
begin
DCSInst0: DCS
-- synthesis translate_off
-- synthesis translate_on
);
attribute DCSMODE : string;
attribute DCSMODE of DCSinst0 : label is "POS";
GENERIC
PORT
GENERIC MAP(
PORT MAP
(
DCSMODE : string :=
);
(
CLK0
CLK1
SEL
DCSOUT
);
DCSMODE
)
(
SEL
CLK0
CLK1
DCSOUT
=> "POS"
:IN
:IN
:IN
:OUT
=>
=>
=>
=>
clksel,
dcsclk0,
sysclk1,
dcsclk
std_logic;
std_logic;
std_logic;
std_logic
"POS"
11-18
sysCLOCK PLL Design and Usage Guide
LatticeECP/EC and LatticeXP
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