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3.4.10
Tab 10: Extra / About
Tab 10
(Figure
26) is the last page with several useful controls.
The Documentation section of this tab provides quick access to support documents. Product Page, Data
Sheet, and User's Guide connect to the latest online documentation. Schematic opens a local copy of the
ADS126xEVM schematic.
The Pin Controls section is used to control the RESET/PWDN and START pin logic levels. Clicking on any
of these buttons toggles the logic levels, with the exception of the RESET button. The RESET button
pulses the RESET/PWDN pin and resets all register settings back to their default values.
The Software INFO section provides additional information about the software and hardware, as well as
some other useful diagnostic tools.
•
Acquire Alert is a programmable acquisition-time alert. A pop up alerts the user when a data
acquisition is estimated to take longer than the programmed alert value. The pop up notifies the user of
the estimated acquisition time and provides the option to continue or cancel the acquisition. Cancelling
an acquisition in progress requires resetting the hardware and reloading the EVM plugin. Long
acquisition periods are possible because of the very low data rates of the ADS126x and large
allowable block sizes in ADCPro.
•
Collection Info shows information about the number of samples collected from ADC1 and ADC2. If
data acquisition seems to be taking longer than expected, check that the actual number of samples
being collected accounts for the additional time. The number is slightly larger than the block size
requested in the test plugin. Reduce the number of samples or increase the ADC data rates to reduce
acquisition time. The acquisition time may be longer than the total number of samples divided by the
data rate because the data is first collected into MMB0 memory, then transferred to ADCPro using
USB, and finally processed in ADCPro before it is displayed.
SBAU206 – April 2015
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10 Extras / About
Figure 26. Tab 10: Extras / About
Copyright © 2015, Texas Instruments Incorporated
ADS126xEVM Software
29
ADS126xEVM-PDK
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