2.1. Features
- LED status for early debugging stage with RX- or TX-only options.
- To use RX- or TX-only components, remove the irrelevant blocks from the simplex version serial loopback design as described in the following table. 
     Table 6. Features User Requirement Preserve Remove RX only - RX top
- Reference and System PLL Clocks IP
- DR IP & DR arbiter (if present)
- Sys Reset
 TX Top TX only - TX top
- Reference and System PLL Clocks IP
- DR IP & DR arbiter (if present)
- Sys Reset
 RX Top 
    Figure 13. Components Required for TX- or RX-Only Design on  Agilex™ 7 Devices
     
      
   
 
   
    Note: Refer to Clocking Scheme for the Reference and System PLL Clocks IP connections.