Texas Instruments DAC12DL3200, User Manual, Page: 24 / 32

A Troubleshooting the DAC12DL3200EVM
Table A-1 lists some troubleshooting procedures.
Table A-1. Troubleshooting
Issue Troubleshoot
General problems
• Verify the test setup shown in Figure 3-1 , and repeat the setup procedure as described in this
document.
• Check power supply to EVM and TSW14DL3200EVM. Verify that the power switch is in the on position.
• Check signal and clock connections to EVM.
• Visually check the top and bottom sides of the board to verify that nothing looks discolored or damaged.
• Make sure the board-to-board FMC connection is secure.
• After changing the DAC configuration, click Instrument Options → Download Firmware and download
TSW14DL3200_DAC_FIRMWARE.bin .
• Power cycle the external power supply to the DAC EVM, and reprogram the LMK and DAC devices.
• Ensure jumpers are set properly.
TSW14DL3200 EVM LEDs
are not correct
• Verify the installed jumpers on the TSW14DL3200EVM.
JP2 pins 1–2, JP4 pins 2–3, and JP3 open.
• Verify that the clock going to the CLK inputs of the DAC EVM are connected.
• Verify that the DAC and LMK internal registers are configured properly.
• Click Instrument Options → Download Firmware and download TSW14DL3200_DAC_FIRMWARE.bin .
Configuration GUI is not
working properly
• Verify that the USB cable is plugged into the EVM and the PC.
• Check the computer device manager and verify that a USB serial device is recognized when the EVM is
connected to the PC.
• Verify that the green USB Status LED light in the top right corner of the GUI is lit. If it is not lit, click the
Reconnect FTDI button.
• Close and start the configuration GUI.
Configuration GUI is not able
to connect to the EVM
• Use the free FT_PROG software from FTDI chip and verify that the onboard FTDI chip is programmed
with the product description
DAC12DL3200 .
HSDC Pro software is not
sending data.
• Verify that the TSW14DL3200EVM is properly connected to the PC with a mini USB 3.0 cable and that
the board serial number is properly identified by the HSDC software.
• Check that the DAC device mode selected matches the HSDC Pro ini file selected.
• Check that the data rate parameter is correct. This should have a "M" for megahertz or "G" for gigahertz
after the frequency number.
HSDC Pro software gives a
time-out error when
User clicks on
SEND .
• Verify that the DAC data rate parameter is correctly set in the HSDC software.
• Select Instrument Options → Download Firmware and download
TSW14DL3200_DAC_FIRMWARE.bin . Try sending the test pattern again.
• Verify both clocks are enabled, synchronized and the correct frequency going to the DAC EVM.
Sub-optimal measured
performance
• Make sure the DAC reset button was pressed before loading the DAC configuration file.
• Ensure all SMA connections are secure.
• Make sure FMC connectors are fastened together properly.
Troubleshooting the DAC12DL3200EVM www.ti.com
24 DAC12DL3200 Evaluation Module SBAU374 – MAY 2021
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