F-Tile CPRI PHY Intel® FPGA IP User Guide

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ID 683284
Date 12/13/2021
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Document Table of Contents
Document Table of Contents x
1. About the F-Tile CPRI PHY Intel® FPGA IP Core 2. Getting Started 3. IP Parameter Settings 4. Functional Description 5. Interface Signals 6. IP Registers 7. F-Tile CPRI PHY Intel FPGA IP User Guide Archives 8. Document Revision History for the F-Tile CPRI PHY Intel FPGA IP User Guide
1. About the F-Tile CPRI PHY Intel® FPGA IP Core x
1.1. Supported Features 1.2. Overview 1.3. Device Family Support 1.4. Device Speed Grade Support 1.5. Resource Utilization 1.6. Release Information
2. Getting Started x
2.1. Installing and Licensing Intel® FPGA IP Cores 2.2. Specifying the IP Core Parameters and Options 2.3. Generated File Structure 2.4. IP Core Testbenches
2.1. Installing and Licensing Intel® FPGA IP Cores x
2.1.1. Intel® FPGA IP Evaluation Mode
2.2. Specifying the IP Core Parameters and Options x
2.2.1. Reference and System PLL Clock for your IP Design
4. Functional Description x
4.1. Reset Logic 4.2. Latency Measurement
4.2. Latency Measurement x
4.2.1. Deterministic Latency 4.2.2. Calculation for 64b/66b Datapath
5. Interface Signals x
5.1. Clock Signals 5.2. Reset Signals 5.3. TX MII Interface (64b/66b) 5.4. RX MII Interface (64b/66b) 5.5. Status Interface for 64b/66b Line Rate 5.6. TX Interface (8b/10b) 5.7. RX Interface (8b/10b) 5.8. Status Interface for 8b/10b Line Rate 5.9. Serial Interface 5.10. CPRI PHY Reconfiguration Interface 5.11. Datapath Avalon Memory-Mapped Interface 5.12. PMA Avalon Memory-Mapped Interface
5.1. Clock Signals x
5.1.1. Required Clock Frequencies
1. About the F-Tile CPRI PHY Intel® FPGA IP Core
2. Getting Started
3. IP Parameter Settings
4. Functional Description
5. Interface Signals
6. IP Registers
7. F-Tile CPRI PHY Intel FPGA IP User Guide Archives
8. Document Revision History for the F-Tile CPRI PHY Intel FPGA IP User Guide

5.1.1. Required Clock Frequencies

Table 17.  Required Clock Frequencies
Port Name Frequency (MHz) Notes
i_reconfig_clk 100 Provides CSR access on all the Avalon® memory-mapped interfaces.
o_tx_clkout 402.83203125

415.0390625

451.5625

 System clock divided by 2.
o_tx_clkout2 368.64 CPRI PHY system clock times (64/66) for 24G channels.
184.32 CPRI PHY system clock times (64/66) for 12G channels.
153.6 CPRI PHY system clock times (64/66) for 10G channels.
491.52 CPRI PHY system clock for 9.8G channels.
245.76 CPRI PHY system clock for 4.9G channels.
122.88 CPRI PHY system clock for 2.4G channels.
o_rx_clkout 402.83203125

415.0390625

451.5625

 System clock divided by 2
o_rx_clkout2 368.64 Derived from recovered clock for 24G channels.
184.32 Derived from recovered clock for 12G channels.
153.6 Derived from recovered clock for 10G channels.
491.52 CPRI PHY system clock for 9.8G channels.
245.76 Derived from recovered clock for 4.9G channels.
122.88 CPRI PHY system clock for 2.4G channels.
i_sampling_clk 250 Sampling clock for deterministic logic from external source.
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