Lattice Semiconductor
IP Core Generation
IPUG39_02.9, December 2010
24
10 Gb+ Ethernet MAC IP Core User’s Guide
already in a design project, double-click the module’s .ipx file in the File List view. This opens IPexpress and the
module’s dialog box showing the current option settings. Then go to step 6 above.
Regenerating an IP Core in ispLEVER
To regenerate an IP core in ispLEVER:
1. In the IPexpress tool, choose
Tools > Regenerate IP/Module
.
2. In the Select a Parameter File dialog box, choose the Lattice Parameter Configuration (.lpc) file of the IP core
you wish to regenerate, and click
Open
.
3. The Select Target Core Version, Design Entry, and Device dialog box shows the current settings for the IP core
in the Source Value box. Make your new settings in the Target Value box.
4. If you want to generate a new set of files in a new location, set the location in the LPC Target File box. The base
of the .lpc file name will be the base of all the new file names. The LPC Target File must end with an .lpc exten-
sion.
5. Click
Next
. The IP core’s dialog box opens showing the current option settings.
6. In the dialog box, choose desired options. To get information about the options, click
Help
. Also, check the
About tab in the IPexpress tool for links to technical notes and user guides. The IP core might come with addi-
tional information. As the options change, the schematic diagram of the IP core changes to show the I/O and
the device resources the IP core will need.
7. Click
Generate
.
8. Click the
Generate Log
tab to check for warnings and error messages.
