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参数资料
| 型号： | 1GBE-PCS-O4-N1 |
| 厂商： | Lattice Semiconductor Corporation |
| 文件页数： | 12/14页 |
| 文件大小： | 0K |
| 描述： | IP CORE ETH PCS 1GB ORT42G5 |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | 1GBEPCSO4N1 |
Lattice Semiconductor
1GbE PCS IP Core User’s Guide
Running Synthesis Using LeonardoSpectrum
The step-by-step procedure provided below describes how to run synthesis using LeondardoSpectrum outside the
ispLEVER Project Navigator.
1. Change directory to: 1gbe_pcs_o4_1_001\orca4\ver1.0\eval\synthesis\exemplar
2. Launch the LeonardoSpectrum synthesis tool
3. Start a new project by opening <pcs_1g_top.tcl>
Select: File -> Run Script -> pcs_1g_top.tcl
4. The script ?le contains the necessary parameters to target an ORCA 4 device.
5. The EDIF and generated preference ?le will be located in the same directory.
Running Place and Route (PAR) for ORCA devices in ispLEVER
The step-by-step procedure provided below describes how to perform Place and Route in ispLEVER for an ORCA
device.
The core is required to internally interface with the customer application logic. The Place and Route tool requires a
parameter constraint ?le for the particular GbE PCS IP core in order to correctly create an .NCD ?le.
1. Launch the Lattice Project Navigator tool.
2. Start a new project: File -> New Project
3. Browse to the directory of the desired location of the project. The generated ?les will be placed in this directory.
4. Enter the project name and then select EDIF as the project type.
5. Change the device type to an ORT42G5 with a -2 speed grade and BM484 package.
6. Copy the following ?les to the Place and Route working directory:
a) ..\eval\ngo\1gbe_pcs_o4_1_001.ngo
b) ..\eval\prf\<synthesis tool>\pcs_1g_top.prf
c) The top-level EDIF netlist generated from running synthesis
7. Import the EDIF netlist into the project: Source -> Import...
8. Import the preference ?le into the project: Source -> Import Constraint File...
9. In the ispLEVER Project Navigator, highlight Place & Route Design, with a right mouse click select Properties.
Set the following properties:
- Placement Iterations: <5 >
- Routing Passes: <15>
All other options remain at their default values.
10. Select the Place & Route Trace Report in the project navigator to execute Place and Route and generate a tim-
ing report for ORCA.
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