Texas Instruments TMP451, User'S Manual And Software Tutorial

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Using the TMP451EVM Software
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Figure 5-2. Communication Error with USB DIG Platform
5.2 Using the TMP451EVM Software
5.2.1 Reading from Registers
When first starting the TMP451EVM software, it is advised that the user confirm connections to the board
by toggling the Read Continuously button shown in
Figure 5-3 . If all devices are communicating correctly,
the user should be able to see temperature change over time in the TMP451 local temperature box.
Figure 5-3. TMP451 Read Continuously
5.2.2 Temperature ALERT and THERM Limits
The first tab on the TMP451EVM software is Temperature Limits. In this tab you can read or set the
ALERT and THERM limits for the TMP451. You can also set a temperature offset for the remote
temperature sensor and enable a THERM hysteresis. Changing values in these controls automatically
writes them. The Temperature Limits tab is shown in
Figure 5-4 .
16 TMP451EVM Software Overview SBOU131 – June 2013
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