F-Tile JESD204B Intel® FPGA IP User Guide

ID 723907
Date 4/23/2024
Public
Document Table of Contents

2. About the F-Tile JESD204B Intel® FPGA IP

The F-Tile JESD204B Intel® FPGA IP is a high-speed point-to-point serial interface for digital-to-analog (DAC) or analog-to-digital (ADC) converters to transfer data to FPGA devices. This unidirectional serial interface runs at a maximum data rate of 20 Gbps. This protocol offers higher bandwidth, low I/O count and supports scalability in both number of lanes and data rates. The F-Tile JESD204B Intel® FPGA IP addresses multi-device synchronization by introducing Subclass 1 and Subclass 2 to achieve deterministic latency.
Note: The full product name, F-Tile JESD204B Intel® FPGA IP, is shortened to F-Tile JESD204B IP in this document.

The F-Tile JESD204B IP incorporates:

  • Media access control (MAC)—data link layer (DLL) block that controls the link states and character replacement.
  • Physical layer (PHY)—physical coding sublayer (PCS) and physical media attachment (PMA) block.

The F-Tile JESD204B IP does not incorporate the Transport Layer (TL) that controls the frame assembly and disassembly. The TL and test components are provided as part of a design example component where you can customize the design for different converter devices.

Figure 1. Typical System Application for F-Tile JESD204B IPThe F-Tile JESD204B IP uses the Avalon® streaming source and sink interfaces, with unidirectional flow of data, to transmit and receive data on the FPGA fabric interface.


Key features of the F-Tile JESD204B IP:
  • Data rate of up to 20 Gbps (characterization up to 12.5 G)
  • Subclass 0 mode for backward compatibility to JESD204A
  • Subclass 1 mode for deterministic latency support (using SYSREF) between the ADC/DAC and logic device
  • Subclass 2 mode for deterministic latency support (using SYNC_N) between the ADC/DAC and logic device
  • Multi-device synchronization