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Software Control

2 Software Control

2.1 Installation Instructions

• Open the folder named DAC3174_Installer_vxpx (xpx represents the latest version)

• Run Setup.exe

• Follow the on-screen instructions

• Once installed, launch by clicking on the DAC3174_GUI_vxpx program in Start → Texas Instruments

DACs

• When plugging in the USB cable for the first time, you are prompted to install the USB drivers.

– When a pop-up screen opens, select Continue Downloading

– Follow the on-screen instructions to install the USB drivers

– If needed, you can access the drivers directly in the install directory, C:\Program Files (x86)\Texas

Instruments\DAC3174 for Windows

7 and C:\Program Files\Texas Instruments\DAC3174 for

Windows XP.

2.2 Software Operation

The software allows programming control of the DAC and CDCE devices. The front panel provides a tab

for full programming of each. The GUI tabs provide a more convenient and simplified interface to the

most-used registers of each device.

2.2.1 Input Control Options

Figure 2. Input Control Options

• FIFO: allows the configuration of the FIFO and FIFO synchronization (sync) sources.

• LVDS delay: provides internal delay of either the LVDS data or LVDS data clock to help meet the input

setup and hold time.

• SIF Control: provides control of the Serial Interface (3-wires or 4-wires) and Serial Interface Sync (SIF

Sync).

• Input Format: provides control of the input data format (that is, 2s complement or offset binary).

SLAU466A–November 2012–Revised June 2013 DAC31x4 EVM User's Guide

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