7.9. Advanced Options Parameters
|Include control and status ports||On/Off||If you turn this option on, the top-level IP core include the status signals and digital resets shown in XAUI Top-Level Signals—Soft PCS and PMA and XAUI Top-Level Signals–Hard IP PCS and PMA . If you turn this option off, you can access control and status information using Avalon-MM interface to the control and status registers. The default setting is off.|
|External PMA control and configuration||On/Off||
If you turn this option on, the PMA signals are brought up to the top level of the XAUI IP Core. This option is useful if your design includes multiple instantiations of the XAUI PHY IP Core. To save FPGA resources, you can instantiate the Low Latency PHY Controller and Transceiver Reconfiguration Controller IP Cores separately in your design to avoid having these IP cores instantiated in each instance of the XAUI PHY IP Core. If you turn this option off, the PMA signals remain internal to the core. The default setting is off.
This option is available for Arria II GX, HardCopy IV and Stratix IV devices. In these devices, this option must be turned On to fit 2 hard XAUI instances in adjacent transceiver quads that share the same calibration block. In addition, the instances must share powerdown signals.
|Enable rx_recovered_clk pin||On/Off||When you turn this option on, the RX recovered clock signal is an output signal.|
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