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3.4 Registers Tab
The Registers tab interacts with the registers and the bits within the TMP119 device. For more information on
each register/bit, hover over the register name and click on the question mark to see what each bit defines.
By default, the MCU polls the registers with a 100 ms delay and the table shows the current status of the
registers and updates the changes in the table every poll. By clicking on the bits in the table, the user has the
availability to change the bit to a 1 or 0. The Write Register buttons are grayed and disabled when the button is
set to Immediate. Immediate mode triggers a Write operation each time a register is modified. When Deferred
mode is selected and the Write Register button is enabled, write operations are not performed unless the Write
Register button is clicked.
When Deferred mode is selected, the user can take advantage of the following:
•
Write button writes the bit changes in the selected register.
•
Write All button is used to write all bit changes in all registers.
When auto read is turned off, the table no longer updates itself and the user can take advantage of the following:
•
Read button reads the current status of the selected register.
•
Read All button is used to fetch the current contents of all registers at once.
These settings give the user total control over bus activity, and enable individual transactions to be easily
observed with an oscilloscope, logic analyzer, or bus-sniffing device.
SNOU199 – DECEMBER 2023
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Figure 3-6. Registers
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TMP119 Evaluation Module
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