Texas Instruments DACx0504 series, User Manual, Page: 11 / 17

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DACx0504EVM Software Overview
11 SLAU735A – July 2017 – Revised October 2017
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DACx0504 Evaluation Module
5.2.2 DACx0504EVM High Level Configuration Page
The High Level Configuration page provides an interface to observe and control the different data
registers, modes, and configurations available for the DACx0504 device. This page is displayed in
Figure 11 .
Figure 11. High Level Configuration Page
Internal Reference : By default, the internal reference is “ON”, which is displayed on the Internal
Reference button. The reference divider bit is also disabled at startup with a division denominator of “1”.
When pressed, the reference divider bit is set to “1”, which changes the denominator value to “2” – this
essentially halves the reference supply. This reference division provides flexibility when achieving specific
DAC output ranges; however, the reference and DAC output should be configured to ensure there is
sufficient headroom for VDD during normal operation. More information related to the reference divider is
shown in the DACx0504 data sheet.
Gain : The Gain buttons set the gain for the corresponding DAC outputs. At startup, the gain bit is cleared
to “0”, which sets the gain to 1. When this bit is set, the corresponding DAC has a gain of 2.
DAC Outputs : The DAC outputs can be enabled or disabled via the DAC ON button. The DAC outputs
are enabled by default. To write to the DACx Register, type the 16-bit hexadecimal value into the
corresponding DAC OUT Hex input field.