The Watch Design Exemplar Tutorial is a flow based tutorial taking the
Verilog/VHDL Design files through Exemplar Leonardo Spectrum 1998.2e for
synthesis. The tutorial includes presynthesis Functional Simulation,
and a post place and route (PAR) Timing Simulation, both using the
Model Technology ModelSim simulator.
Synthesis and Simulation Design Guide, 4/98 (1.3 MB)
Manual providing a general overview for designing into FPGAs using VHDL
and Verilog including Verilog simulation techniques.
Design Techniques
Xilinx: Backannotated Static Timing Analysis (30 KB)
Using Leonardo Spectrum to augment Xilinx's software timing
analysis tools, by providing additional functionality such as
graphical constraint setting, critical path identification and
schematic correlation and cross highlighting.
Using Xilinx and Exemplar for Incremental Designing (ECO)
Guided place and route (PAR) can help you reduce runtimes when
incremental changes are made to a design, such as for an Engineering
Change Order (ECO). By making only small changes to a design along
with optimizing only the changed block(s), you allow guided PAR to
perform at its best, preserving timing and reducing PAR runtimes. To
localize the design changes without affecting the remainder of your
design, either a top-down preserving hierarchy or a bottom-up
methodology must be used.
Xilinx: RTL RAM Inference (14 KB)
How to write code to infer Xilinx RAM components using Exemplar's
Leonardo.
PCI
Xilinx: Spartan 33MHz PCI Core (33 KB)
This applications note describes the synthesis flow using
LeonardoSpectrum targeting the Verilog version of the Xilinx
LogiCORE PC132 PCI core for the Spartan architecture. A user design
"Ping" is included to demonstrate the use of the PC132 PCI core in an
HDL design flow.
Xilinx: Virtex 66MHz PCI Core - Verilog (33 KB)
This applications note describes the synthesis flow using
LeonardoSpectrum targeting the Xilinx LogiCORE PC132 PCI core for the
Virtex architecture. A user design "Ping" is included to demonstrate
the use of the PC132 PCI core in an HDL design flow.
Xilinx: Virtex 66MHz PCI Core - VHDL (33 KB)
This applications note describes the synthesis flow using
LeonardoSpectrum targeting the Xilinx LogiCORE PC132 PCI core for the
Virtex architecture. A user design "Ping" is included to demonstrate
the use of the PC132 PCI core in an HDL design flow.