Software Operation - Analog Devices EVAL-AD5340DBZ User Manual

EVAL-AD5340DBZ User Guide

SOFTWARE OPERATION

The software for the AD5340
to the input and DAC registers of the DAC.
Write to Input Register
Click Write to Input Register to load the code of the input data
control to the input register of the DAC.
LDAC Control
Click Pulse LDAC to bring the LDAC pin low and then back to
high. Doing this copies the data from the input register to the
DAC register, and the output updates accordingly. Alternatively,
set the LDAC pin high or low by clicking the blue progressive
disclosure button on the INTERFACE LOGIC block. A
window opens that allows the user to click the appropriate
LDAC setting, as shown in Figure 5.
Figure 5. DAC Config Window
Figure 4. AD5340
allows the user to program values
Evaluation Board Software Main Window
GAIN Control
Set the GAIN pin high or low by clicking the blue progressive
disclosure button on the INTERFACE LOGIC block. A
window opens that allows the user to click the appropriate
GAIN setting, as shown in Figure 5. Click X1 to set a full-scale
output of 2.5 V or click X2 to set a full-scale output of 5 V.
CLR Control
Click the blue progressive disclosure button on the INTERFACE
LOGIC block to set the CLR pin setting. A window opens that
allows the user to select the CLR setting for the DAC, as shown
in Figure 6. Click OK to write the appropriate values to the
AD5340.
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Figure 6. CLR Setting Dropdown Box
UG-981