Datasheet
EVAL-AD7294
Rev. 0 | Page 10 of 24
USING THE SOFTWARE
MAIN WINDOW
After following the procedures in the Getting Started section, the
main window, shown in Figure 11, appears upon starting the
evaluation software program. Use the drop-down menus in this
window to navigate through the various operational functions
of the AD7294 evaluation board.
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Figure 11. AD7294 Evaluation Software, Main Window
Device Menu
The Device menu (see Figure 12) offers three options: Config-
uration, Register Map, and Device Address. Select Configuration
to change the configuration address, which can be used to select
various modes and configurations of the device. Each of these
options is examined in more detail in the Configuration Window
section. Selecting Register Map provides a user-friendly tool to
easily check the value of each bit in every readable register address,
and selecting Device Address allows you to choose the I
2
C slave
address upon power-up.
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Figure 12. Device Menu of the Main Window
ADC Menu
As shown in Figure 13, the ADC menu can be used to access three
functions: Read Channel, Alert Manager, and External Sensor
Calibration. Selecting Read Channel shows most of the
functionality options of the ADC. As suggested by the names of the
other two menu options, the Alert Manager window analyzes the
alert register to check for out-of-limit alerts, whereas selecting
External Sense Calibration enables calibrating the external
temperature sensors.
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Figure 13. ADC Menu of the Main Window
DAC Menu
The DAC menu allows you to load values to any of the four
DAC channels.
CONFIGURATION WINDOW
The configuration of the various modes and functionalities of the
device is carried out in the Configuration window. Two tabs
are available in this window. The first tab, Power Down, offers
various power-down mode options. Click the appropriate check
box to select the desired option (see Figure 14), and then the
equivalent bit is automatically set in the configuration register
in the device (this can be checked using the register map).
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Figure 14. Power-Down Modes Available in the Configuration Window
The second tab, Settings, allows the selection of various
operating modes available for the AD7294 (see Figure 15).
0
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Figure 15. Modes Available in the Settings Tab of the Configuration Window