SNLU293A December   2022  – December 2022 DS560DF810

 

  1.   DS560DF810EVM User's Guide
  2.   Trademarks
  3. 1Hardware Description and Setup
    1. 1.1 Required Hardware
    2. 1.2 General Hardware Test Setup Procedure
    3. 1.3 Hardware Configuration to use Onboard 25 MHz Oscillator for CAL_CLK_IN
  4. 2Software Description
    1. 2.1 Software Installation Sequence
    2. 2.2 Latte Functional Overview
    3. 2.3 Useful Latte Short-Cuts
    4. 2.4 DS560DF810EVM Initialization Through the Latte GUI
      1. 2.4.1 Connect Latte to Board
      2. 2.4.2 Compile Libraries
      3. 2.4.3 Example: Programming DS560DF810EVM for 26.5625 GBd PAM4 Test Case
      4. 2.4.4 Retimer Configuration
      5. 2.4.5 Retimer “Useful Functions” (Contained in the usefulFunctions.py Latte Script)
      6. 2.4.6 Vertical Eye Monitor
  5. 3Test Case Examples
    1. 3.1 Transmitter Test Case – EVM Board Output Evaluation for 26.5625 GBd PAM4 Data
    2. 3.2 Receiver Test Case – High Loss Input Channel to Retimer EVM, 26.5625 GBd PAM4
  6. 4Supplemental Documents
  7. 5EVM Cable Assemblies
  8. 6Revision History

2.4.1 Connect Latte to Board

This step establishes a connection between the PC running Latte and the DS560DF810EVM. The DS560DF810EVM should be powered for this step.

  1. In the scripts window of Latte, under setup section, select setup.py.

  2. Press F5 to run the program.

  3. Check the Log window to ensure there are no errors where the following line should be displayed

    i2c - USB Instrument created.

    Gpio Programmer - USB Instrument created.

Missing or obsolete drivers for the FTDI chip in the DS560DF810EVM is a common error source. Windows Device Manager may be used to verify the connection between the PC and the EVM by checking the USB instantiations. The user may update PC with the appropriate driver if necessary.

Note:

There are two places in setup.py that use the word "Dual" in lines 34 and 42. These need to be replaced with the word "Quad" for the script to run without errors.

Additionally, make sure devIdentifier on line 2 is set to a value of 2 for DS560DF810.