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Software Control
Instruments\DAC348x
•
When plugging in the USB cable for the first time, you will be 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
2.2
Software Operation
The software allows programming control of the DAC device and the CDC device. The front panel
provides a tab for full programming of each device. The GUI tabs provide more convenient and simplified
interface to the most used registers of each device.
Each device, including the DAC3484, DAC3482, and DAC34H84/SH84, has its own custom control
interface. At the top level of the GUI are five control tabs. The first four are used to configure the DAC348x
and the last for the CDCE62005.
2.2.1
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 DATACLK to help meet the
input setup/hold time.
•
Data Routing: provides flexible routing of the A, B, C, and D sample input data to the appropriate
digital path.
Note: the DAC3482 does not support this mode
•
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 (i.e., 2s complement or offset binary)
•
Parity: provides configuration of the parity input.
•
PLL Settings: provides configuration of the on-chip PLL circuitry.
•
Temperature Sensor: provides temperature monitoring of DAC3484/2 die temperature.
4
DAC348x EVM
Figure 2. Input Control Option
Copyright © 2012, Texas Instruments Incorporated
www.ti.com
SLAU432 – February 2012
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