AN 916: JESD204C Intel® FPGA IP and ADI AD9081/AD9082 MxFE* Interoperability Report for Intel® Stratix® 10 E-Tile Devices

ID 683157
Date 6/22/2020
Document Table of Contents

1.4.2. JESD204C Intel® FPGA IP and DAC Configurations

The JESD204C Intel® FPGA IP parameters (L, M, and F) in this hardware checkout are natively supported by the AD9081 device configuration registers. The transceiver data rate, sampling clock frequency, and other JESD204C parameters comply with the AD9081 operating conditions.

The hardware checkout testing implements the JESD204C Intel® FPGA IP with the following parameter configurations.

Global setting for below configuration:
  • E = 1
  • CF = 0
  • FCLK_MULP = 2
  • WIDTH_MULP = 4
  • Subclass = 0
  • SH_CONFIG = CRC-12
  • FPGA Management Clock (MHz) = 100
Table 9.  Parameter Configuration
Mode LMF N/N’ S E Interpolation Mode DAC Rate (Msps) Data Rate (Msps)12 Lane Rate (Mbps)13 FPGA Device Clock (MHz) 14 FPGA Link Clock (MHz) 15 FPGA Frame Clock (MHz) Data Pattern
1 882 16 1 1 2x1 1939.39394 969.69697 16000 242.424242 121.212121 242.424242 PRBS23
12 Data rate = DAC rate x interpolation factor.
13 Lane rate = (M/L) x N' x (66/64) x data rate.
14 The FPGA device clock is used to clock the core PLL and the transceiver.
15 The link clock and frame clock are derived from the device clock using the core PLL.

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