1.2. Native Transceiver PHYs
The Native PHYs allow you to customize the transceiver settings to meet your requirements. You can also use the Native PHYs to dynamically reconfigure the PCS datapath. Depending on protocol mode selected, built-in rules validate the options you specify. The following figure illustrates the Stratix V Native PHY.
As shown, the Stratix V Native PHY connects to the separately instantiated Transceiver Reconfiguration Controller and Transceiver PHY Reset Controller.
|Datapaths||Stratix V||Arria V||Arria V GZ||Cyclone V|
| PMA Direct:
This datapath connects the FPGA fabric directly to the PMA, minimizing latency. You must implement any required PCS functions in the FPGA fabric.1
This datapath provides a complete PCS and PMA for the TX and RX channels. You can customize the Standard datapath by enabling or disabling individual modules and specifying data widths.
This is a high performance datapath. It provides a complete PCS and PMA for the TX and RX channels. You can customize the 10G datapath by enabling or disabling individual modules and specifying data widths.
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