JESD204B Intel® Arria® 10 FPGA IP Design Example User Guide

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ID 683113
Date 10/14/2022
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Document Table of Contents
Document Table of Contents x
1. JESD204B Intel® Arria® 10 FPGA IP Design Example User Guide
1. JESD204B Intel® Arria® 10 FPGA IP Design Example User Guide x
1.1. JESD204B Intel® Arria® 10 FPGA IP Design Example Quick Start Guide 1.2. Design Example Detailed Description 1.3. JESD204B Intel® Arria® 10 FPGA IP Design Example User Guide Document Archives 1.4. Document Revision History for the JESD204B Intel® Arria® 10 FPGA IP Design Example User Guide
1.1. JESD204B Intel® Arria® 10 FPGA IP Design Example Quick Start Guide x
1.1.1. Directory Structure 1.1.2. Generating the Design 1.1.3. Simulating the Design 1.1.4. Compiling and Testing the Design
1.1.2. Generating the Design x
1.1.2.1. Design Example Parameters
1.1.4. Compiling and Testing the Design x
1.1.4.1. Hardware Test for System Console Control Design Example 1.1.4.2. Hardware Test for Nios Control Design Example
1.2. Design Example Detailed Description x
1.2.1. Features 1.2.2. Hardware and Software Requirements 1.2.3. Supported Configurations 1.2.4. Presets 1.2.5. Functional Description 1.2.6. Simulation 1.2.7. Design Example Files 1.2.8. Registers 1.2.9. Signals 1.2.10. Software Control Flow 1.2.11. Customizing the Design Example
1.2.5. Functional Description x
1.2.5.1. Design Components 1.2.5.2. Clocking Scheme
1.2.5.1. Design Components x
1.2.5.1.1. Platform Designer System Component 1.2.5.1.2. Transport Layer 1.2.5.1.3. Test Pattern Generator 1.2.5.1.4. Test Pattern Checker
1.2.5.1.1. Platform Designer System Component x
1.2.5.1.1.1. JESD204B Subsystem in Platform Designer 1.2.5.1.1.2. Parallel I/O 1.2.5.1.1.3. ATX PLL 1.2.5.1.1.4. Core PLL 1.2.5.1.1.5. SPI Master 1.2.5.1.1.6. Nios Subsystem
1.2.6. Simulation x
1.2.6.1. Testbench
1.2.10. Software Control Flow x
1.2.10.1. Software Parameters 1.2.10.2. Interrupt Service Routines (ISR) 1.2.10.3. Software Functions Description
1.2.10.3. Software Functions Description x
1.2.10.3.1. Functions in main.c Source File 1.2.10.3.2. Custom Peripheral Access Macros in macros.c Source File
1.2.11. Customizing the Design Example x
1.2.11.1. Modifying the JESD204B IP Core Parameters 1.2.11.2. Changing the Data Rate or Reference Clock Frequency
1. JESD204B Intel® Arria® 10 FPGA IP Design Example User Guide

1.2.5.1.2. Transport Layer

The transport layer in the design example consists of an assembler at the TX path and a deassembler at the RX path. The transport layer for both the TX and RX path is instantiated in the top level RTL file, not in the Platform Designer project.

Note: When the simplex TX data path option is selected, only the assembler is instantiated in the design example. When the simplex RX data path option is selected, only the deassembler is instantiated in the design example. When the duplex data path option is selected, both assembler and deassembler is instantiated in the design example.

The transport layer provides the following services to the application layer (AL) and the data link layer (DLL):

  • Assembler at the TX path:
    • Maps the conversion samples from the AL (through the Avalon® streaming interface) to a specific format of non-scrambled octets, before streaming them to the DLL.
    • Reports AL error to the DLL if it encounters a specific error condition on the Avalon® streaming interface during TX data streaming.
  • Deassembler at the RX path:
    • Maps the descrambled octets from the DLL to a specific conversion sample format before streaming them to the AL (through the Avalon® streaming interface).
    • Reports AL error to the DLL if it encounters a specific error condition on the Avalon® streaming interface during RX data streaming.

The transport layer has many customization options and you can modify the transport layer RTL to customize it to your specifications. Furthermore, for certain parameters like L, F, and N, the transport layer shares the CSR values with the JESD204B IP core.

For more details on the implementation of the transport layer in RTL and customization options, refer to the JESD204B Intel® FPGA IP User Guide.

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