Texas Instruments INA223EVM, User'S Manual And Software Tutorial, Page: 20 / 26

INA223EVM Software Overview
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5.3.2 Auto-Write and DVDD Voltage
The INA223EVM software allows for customization of the board level voltage, regulated by the SM-USB-
DIG. Select either +3.3V or +5V for the operating voltage of the chip, as shown in the upper red box in
Figure 21 .
Figure 21. Auto-Write, Power, and Voltage Controls
The software also includes an Auto-Write feature (as shown in the lower red box in Figure 21 ). Auto-Write
is enabled by default, and automatically updates the register table whenever a change is made. When this
feature is enabled, the Write all Reg button serves little purpose, and is only used as an alternative for
when this button is disabled.
20 INA223EVM User’s Guide and Software Tutorial SBOU125 – June 2012
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