PCF2131 datasheet(23/31 Pages) NXP

23 / 31 page

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

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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PCF2131 データシート(PDF) 23 Page - NXP Semiconductors