Visible to Intel only — GUID: nik1398984171987
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Visible to Intel only — GUID: nik1398984171987
Ixiasoft
11. Low Latency PHY IP Core
The Altera Low Latency PHY IP Core receives and transmits differential serial data, recovering the RX clock from the RX input stream. The PMA connects to a simplified PCS, which contains a phase compensation FIFO. Depending on the configuration you choose, the Low Latency PHY IP Core instantiates one of the following channels:
- GX channels using the Standard PCS
- GX channels using the 10G PCS
- GT channels in PMA Direct mode
An Avalon-MM interface provides access to control and status information. The following figure illustrates the top-level modules of the Low Latency PHY IP Core.
Because the Low Latency PHY IP Core bypasses much of the PCS, it minimizes the PCS latency.
For more detailed information about the Low Latency datapath and clocking, refer to the refer to the “Stratix V GX Device Configurations” section in the Transceiver Configurations in Stratix V Devices chapter of the Stratix V Device Handbook.
Section Content
Device Family Support
Performance and Resource Utilization
Parameterizing the Low Latency PHY
General Options Parameters
Additional Options Parameters
PLL Reconfiguration Parameters
Low Latency PHY Analog Parameters
Low Latency PHY Interfaces
Low Latency PHY Data Interfaces
Optional Status Interface
Low Latency PHY Clock Interface
Optional Reset Control and Status Interface
Register Interface and Register Descriptions
Dynamic Reconfiguration
SDC Timing Constraints
Simulation Files and Example Testbench