EVAL-AD5325DBZ User Guide
UG-976
Rev. A | Page 5 of 13
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Figure 4.
AD5325
Evaluation Board Software Main Window
SOFTWARE OPERATION
The software for the
AD5325
allows the user to program values
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.
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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
AD5325
when the CLR settings for
the DAC are selected.
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Figure 6. CLR Configuration Window
