ADS7142-Q1 GUI Functional Modes
15
SBAU321A – November 2018 – Revised August 2019
Copyright © 2018–2019, Texas Instruments Incorporated
BOOSTXL-ADS7142-Q1 BoosterPack™ Plug-In Module
4.1.3
Pre Alert Mode
When
Pre Alert Mode
is selected from the
Operating Modes
drop-down menu and the
SET
button is
pressed, the device starts conversions and stores the data in the data buffer until the input signal crosses
either the high or low threshold for the channels selected in the sequence. If the user aborts the sequence
before the data buffer is filled, the device will abort the sequence and stop storing the conversion results.
To understand the steps required to configure the device in this mode, refer to the ADS7142-Q1 data
sheet.
shows the ADS7142-Q1 GUI configured in
Pre Alert Mode
with the Alert functionality enabled
on channel 0. In this example, the
High Threshold
,
Hysteresis
, and
Low Threshold
are set. The thresholds
are marked on the graph in pink and hysteresis is indicated by the dotted line.
Figure 14. Operation in Pre Alert Mode
