Vhdl And Verilog Templates, And The Clocking Wizard - Xilinx Virtex-5 FPGA User Manual

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X-Ref Target - Figure 2-16

VHDL and Verilog Templates, and the Clocking Wizard

VHDL and Verilog instantiation templates are available in the Libraries Guide for all
primitives. In addition, VHDL and Verilog files are generated by the Clocking Wizard in
the ISE software. The Clocking Wizard sets appropriate DCM attributes, input/output
clocks, and buffers for general use cases.
Virtex-5 FPGA User Guide
UG190 (v5.0) June 19, 2009
VHDL and Verilog Templates, and the Clocking Wizard
IBUFG
DCM1
CLKIN
CLKFBIN
RST
PLL
CLKIN1
CLKIN2
CLKFBIN
RST
IBUFG
DCM
CLKIN
CLKFBIN
Figure 2-16: Two DCMs Driving a PLL
www.xilinx.com
BUFG
CLK0
CLK90
CLK180
CLK270
CLK2X
CLK2X180
BUFG
CLKDV
CLKFX
CLKFX180
BUFG
CLKOUT0
CLKOUT1
CLKOUT2
CLKOUT3
CLKOUT4
CLKOUT5
CLKFBOUT
BUFG
CLK0
CLK90
CLK180
CLK270
CLK2X
CLK2X180
BUFG
CLKDV
CLKFX
CLKFX180
ug190_2_18_040906
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