Altera Corporation 5–61
July 2005 Stratix Device Handbook, Volume 2
High-Speed Differential I/O Interfaces in Stratix Devices
Use the altlvds MegaWizard Plug-In Manager to create an LVDS
receiver block. The following sections explain the parameters available in
the Plug-In Manager when creating an LVDS receiver block.
Page 3 of the altlvds_rx MegaWizard Plug-In Manager
On page 3 of the altlvds MegaWizard Plug-In Manager, you can
choose to create either an LVDS transmitter or receiver. Depending on
what you select, the MegaWizard Plug-In Manager provides you with
different options. Figure 5–40 shows page 3 of the altlvds MegaWizard
Plug-In Manager with options for creating an LVDS receiver.
Figure 5–40. Page 3 of the altlvds_rx MegaWizard Plug-In Manager
Number of Channels
The What is the number of channels? parameter specifies the number of
receiver channels required and the width of rx_out port. To set a fast
PLL to drive over 20 channels, type the required number in the Quartus II
window instead of choosing a number from the drop-down menu, which
only has selections of up to 20 channels.
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