Altera Transceiver PHY IP Core - Manual (Page 33)

General Option Parameters
This section describes general parameters.
This section describes the 10GBASE-R PHY parameters, which you can set using the MegaWizard Plug-
In Manager.
Table 3-8: General Options
Name Value Description
General Options
Device family
Arria V
Arria V GZ
Stratix IV GT
Stratix V
Specifies the target device.
Number of channels
1-32
The total number of 10GBASE-R PHY channels.
Mode of operation
Duplex
TX Only
RX Only
Arria V and Stratix V devices allow duplex, TX, or
RX mode. Stratix IV GT devices only support duplex
mode.
PLL type CMU, ATX
For Arria V GZ, Stratix IV, and Stratix V devices:
You can select either the CMU or ATX PLL. The
CMU PLL has a larger frequency range than the
ATX PLL. The ATX PLL is designed to improve
jitter performance and achieves lower channel-to-
channel skew. Another advantage of the ATX PLL is
that it does not use a transceiver channel, while the
CMU PLL does.
Altera recommends the ATX PLL for data rates <= 8
Gbps.
Reference Clock Frequency
322.265625
MHz
644.53125 MHz
Arria V and Stratix V devices support both frequen‐
cies. Stratix IV GT devices only support 644.53125
MHz.
UG-01080
2015.01.19
General Option Parameters 3-9
10GBASE-R PHY IP Core Altera Corporation
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