Software
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SLAU822A – December 2019 – Revised April 2020
Copyright © 2019–2020, Texas Instruments Incorporated
TUSS44x0 EVM for Ultrasonic Sensors User's Guide
Figure 16. Data Monitor - Advanced Bit Field Controls
3.5.2.5.1
Bit Fields
When the combo box control for a bit field is updated, the associated register is immediately updated. If a
bit field value can be represented as the output of an equation, an adjacent text box automatically updates
to reflect the resulting value at the given unit.
3.5.2.5.2
Bit Field Sweeps
For each available bit field in the Advanced Bit Field Control view, the GUI can be enabled to
automatically sweep between a user defined range of acceptable values. To run the bit field sweep, select
the bit field to be swept, check the En checkbox, and click the START button in the Run Options group.
The bit field value automatically increments after each time-of-flight loop, and reruns until the maximum bit
field value is reached.
3.5.2.5.3
External Sync and Trigger
To synchronize the time-of-flight command with an external system or another TUSS44x0 EVM, use the
external sync and trigger run feature. When the En checkbox is checked, the GUI/EVM becomes a sync-
slave, where BOOSTXL-TUSS44x0 pin-11 monitors for a low-to-high transition. The Master checkbox
enables the GUI/EVM to act as the sync-master, such that the MSP-EXP430F5529LP forces a low-to-high
transition on BOOSTXL-TUSS44x0's pin-13 when the START button is clicked in the Run Options group.
