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i.
If you are using the correct GUI/EVM combination, you may need to reprogram the firmware of the
SCB, as described in
3. To view and edit the device register map, click the
a. From this page, you can read and write register settings on the EVM. For questions about a register or
register bit field, select the
4. To view and collect results data over time, go to the plots page by clicking the
on the left. The plots page will look similar the one shown in
a. Below is a description of how to use the buttons and settings at the top of the plots page and next to
each plot:
i.
Check the Results to collect/show box on the left to collect data from specific register values. If
a results register is unselected, then the plot below will not show the data and the EVM will not
try to read this value during the collect cycle. If you disable one of these settings while the EVM is
collecting data, then the plot will not show, but data will still be collected and the plot will update in
the background.
ii.
Set the Number of EVMs drop-down menu to the number of EVMs currently in use. See
4-2
to see how to attach multiple EVMs together. Use the onboard switch(es) to select a different
address for each EVM. The GUI only supports one EVM/device type at a time.
1. Set the switch settings for each connected EVM. EVM 1 will automatically populate with the
lowest addressed device unless a setting has already been selected.
2. Click the LINK TO REGMAP button to set the regmap of the desired EVM. Use this button to
change settings for each connected device through the register map. Functionally, this button
sets the default read/write address in the MCU and then reads all register values back to update
the register map. Note that if data is being collected at a high frequency, then this may cause a
minor delay in the collection data. For optimal performance, set device settings before you start
collecting data.
SBOU264 – MAY 2021
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Firmware
Debug.
(registers) icon on the menu on the left.
icon. For more questions about registers, check the data sheet.
Figure 4-9. GUI Plots Page
Copyright © 2021 Texas Instruments Incorporated
(plots) icon on the menu
Figure
4-9, depending on the connected device.
INA234EVM and INA236EVM
Operation
Figure
9
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