NXP Semiconductors

UM11597

PCF2131-ARD evaluation board

Clear

Log button. A status bar located in the bottom side of the interface shows in real

time the status connection between PC and the EVK.

Figure 15. Graphical interface at start-up (“Settings” tab activated by default)

The next tab is

Register (Figure 16). When selected, the user can directly write the

internal registers of the PCF2131 IC. The following commands are available from this

window:

• Read: read the information from the preselected internal register of PCF2131TF. The

information is displayed in the Data window.

• Write: write the data to the preselected register address, of the PCF2131 RTC.

• Send serial commands: The registers can be written manually with the corresponding

serial commands. See the PCF2131 datasheet to see more details regarding

communication protocol of the DUT.

A table with the internal registers of the PCF2131 IC is displayed. Under the register

table are the following commands (buttons):

• Read Registers: update the register table.

• Save To File: save the information of the register table into a .rcfg file.

UM11597

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User manual

Rev. 1.0 — 15 September 2021

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