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1. Introduction
2. Interface Overview
3. Parameters
4. Designing with the IP Core
5. Block Description
6. Configuration Registers Overview
7. F-Tile PMA and FEC Direct PHY Multirate Intel® FPGA IP User Guide Archives
8. Document Revision History for the F-Tile PMA and FEC Direct PHY Multirate Intel® FPGA IP User Guide
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2.1. Clock Signals
The following table describes the clock signals that are a part of the clock interface of the F-Tile PMA/FEC Direct PHY Multirate Intel FPGA IP.
Signal Name | Clocks Domain/Resets | Direction | Description |
---|---|---|---|
rx_clkout_stream<x> rx_clkout2_stream<x> tx_clkout_stream<x> tx_clkout2_stream<x> |
N/A | Output | Output port enabled by default. You can select one of these ports, by selecting TX/RX clock options. These are per stream in F-Tile PMA/FEC Direct PHY Multirate Intel FPGA IP as interfaces in the system mode requires clock signals to be single bit per clock. |
coreclkin
|
N/A | Input | Core clock that is usually driven by system pll div by 2 clock. All FPGA soft logic uses these clocks. |
tx_pll_refclk_link_xcvr<n>_prof<j> | N/A | Input | These clock ports are 1 bit. This is neither physical nor logical port. You connect this to <out_refclk_fgt<x>> port from the F-Tile Reference and System PLL Clocks Intel® FPGA IP. This connection guides Quartus® Prime Pro Edition software to correctly configure the clock network. |
rx_cdr_refclk_link_xcvr<n>_prof<j> | N/A | Input | These clock ports are 1 bit. This is neither physical nor logical port. You connect this to <out_refclk_fgt<x>> port from the F-Tile Reference and System PLL Clocks Intel® FPGA IP. This connection guides Quartus® Prime Pro Edition software to correctly configure the clock network. |
system_pll_clk_link | N/A | Input | This is virtual representation of system PLL output clock. This is neither physical nor logical port. You connect this to <out_systempll_clk_0> port from the F-Tile Reference and System PLL Clocks Intel® FPGA IP. This connection guides Quartus® Prime Pro Edition software to correctly configure the clock network. |
Note: Ports ending in _link must connect to the F-Tile Reference and System PLL Clocks Intel® FPGA IP. These ports cannot be simulated.