AMX DESIGN XPRESS V 1.5 - PROGRAMMER GUIDE Podręcznik Użytkownika Strona 149

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Chapter 7: IP Core Interfaces 7–51
Physical Layer Interface Signals
December 2013 Altera Corporation Cyclone V Hard IP for PCI Express
User Guide
1 In all figures channels and PLLs that are gray are unused.
For variants that do not use all the channels in a bank, you can the other channels for
other protocols if your design meets one of the following two conditions:
The data rate and clock specification exactly match the PCI Express configuration
in which case you would route the CMU clock to all channels.
or
You can use the ATX PLL to provide clocks to the other channels.
The following figure shows channel utilization for Gen1 and Gen2 variants using the
ATX PLL.
Figure 7–37. Channel Placement Using CMU PLL
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