Software Operation - Analog Devices EVAL-AD5325DBZ User Manual

EVAL-AD5325DBZ User Guide

SOFTWARE OPERATION

The software for the AD5325
to the input and DAC registers of each DAC individually.
Write to Input Register
Click Write to Input Register to load the code of the input data
control to the input register of selected DAC in the DAC
Selection box.
LDAC Control
Click Pulse LDAC to bring the LDAC pin low and then back
high. Doing this copies the data from the input registers to the
DAC registers, and the outputs update accordingly.
The LDAC pin can also be set high or low by clicking LDAC
HIGH or LDAC LOW, respectively.
Power-Down Control
All of the DACs can be powered down simultaneously. The
DACs have a selection box that allows the device to operate in
normal mode or in three different power-down modes. Click
the blue progressive disclosure button on the POWER-DOWN
LOGIC block to access the Powerdown configuration window,
which allows the device to operate in normal mode or power-down
mode, as shown in Figure 5. Click OK to write the appropriate
values to the AD5325 when the power-down setting is selected.
Figure 4. AD5325
allows the user to program values
Evaluation Board Software Main Window
Figure 5. Powerdown Configuration Window
CLR Control
The CLR bit can also be set high or low by clicking the blue
progressive disclosure button on the I2C block and selecting the
appropriate radio button, as shown in Figure 6. Click OK to write
the appropriate values to the
the DAC are selected.
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when the CLR settings for
AD5325
Figure 6. CLR Configuration Window
UG-976