5.1. 100G Interlaken IP Core Clock Interface Signals
|   Signal Name  |  
         Direction  |  
         Width (Bits)  |  
         Description  |  
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|---|---|---|---|---|---|---|---|---|---|---|---|
|   Clock Ports  |  
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|   pll_ref_clk  |  
         Input  |  
         1  |  
         Transceiver reference clock for the RX CDR PLL in IP core variations that target an Intel® Arria® 10 device. Transceiver reference clock for the RX CDR PLL and the TX transceiver PLL in all other variations. 
 The pll_ref_clk input clock frequency must match the value you specify for the Transceiver reference clock frequency parameter.  |  
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| tx_serial_clk |   Input  |  
       NUM_LANES– |   Clocks for the individual transceiver channels in 100G Interlaken IP core variations that target an Intel® Arria® 10 device.  |  
      ||||||||
|   clk_tx_common  |  
         Output  |  
         1  |  
         PCS common lane clock driven by the SERDES transmit PLL. The clock rate is the lane rate divided by 40 bits. The clk_tx_common frequency is 156.25 MHz for 6.25 Gbps, 257.8 MHz for 10.3125 Gbps, and 312.5 MHz for 12.5 Gbps per lane.  |  
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|   clk_rx_common  |  
         Output  |  
         1  |  
         Master recovered lane clock. The Interlaken specification requires all incoming lanes to run at the same frequency.  |  
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|   tx_usr_clk  |  
         Input  |  
         1  |  
         Transmit side user data interface clock. To achieve 100 Gbps Ethernet traffic throughput, you must run this clock at one of the following minimum frequencies: 
  |  
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|   rx_usr_clk  |  
         Input  |  
         1  |  
         Receive side user data interface clock. To achieve 100 Gbps Ethernet traffic throughput, you must run this clock at one of the following minimum frequencies: 
  |  
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| mm_clk |   Input  |  
       1 |   Management clock. Clocks the register accesses. It is also used for clock rate monitoring and some analog calibration procedures. You must run this clock at a frequency in the range of 100 MHz–125 MHz.  |  
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| reconfig_clk |   Input  |  
       1 | Clocks the Intel® Arria® 10 transceiver reconfiguration interface. This clock is available only in IP core variations that target an Intel® Arria® 10 device. You should run this clock at a frequency of 100 MHz. | ||||||||