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NXP Semiconductors
7 Setting up and running the KITFS23LDOEVM
This section gives guidance on how to set up and run the KITFS23LDOEVM evaluation board and GUI.
The device has a high level of flexibility thanks to the parameter configuration available by using the OTP
registers. The user should learn about OTP and Mirror registers before operating with the device.
7.1 Setting up the KITFS23LDOEVM
The procedure for setting up the KITFS23LDOEVM board is as follows:
1. Make sure the board has the jumpers and switches configured in their default positions. The default
debug configuration enables the board to be fully controlled by the S32K144 MCU (via I
Section 4.4
shows the default jumpers and switches configuration for FS2300 part.
2. Connect the power supply to J6 (Phoenix connector - 3.81 mm). The power supply should be set to a
nominal value of 14.0 V.
OR Connect the power supply to J2 (Jack connector) via a 14.0 V battery.
Note: When connecting loads to the boards, check that the J37 jumper is in position J37-1-2 to avoid
drawing current from the USB line. Place jumper in position J37-1-2 to supply 5.0 V from onboard LDO
connected to VIN. Place jumper in position J37-2-3 to supply 5 V from the USB line.
3. Make sure the USB cable between the board and the PC is securely connected. This connection is critical
because the USB port serves as a communication channel between the PC and the S32K144 MCU
onboard, and also provides voltages and references to some onboard circuits.
4. Place SW1 to position SW1-3 if the power supply is connected to J6.
OR Place SW1 to position SW1-1 if the power supply is connected to J2.
7.2 Connecting the KITFS23LDOEVM to the GUI
The procedure for connecting the KITFS23LDOEVM to the GUI is as follows:
1. To launch the NXP GUI application. See
2. In the USB and Device Status bar at the bottom of the GUI window, the State message should display
"DISCONNECTED" when the USB cable is plugged in, but communication has not yet been established
between the S32K144 MCU and the FS2300 SBC.
USB cable plugged in, communication not established yet
USB cable not plugged in
3. To establish communication between the S32K144 MCU and the FS2300 SBC and allow the GUI to
take control, click Start in the Connection toolbar in the top left corner of the GUI window. Once the
communication is established, the State message becomes "CONNECTED".
USB cable plugged in, communication established
Note: If the Start button does not light on and stays grey, the FTDI driver might be missing. To confirm this,
access to the Windows Device Manager and look for FT230X Basic UART device.
UM11879
User manual
Section
5.3.
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 25 September 2023
UM11879
KITFS23LDOEVM evaluation board
2
C) and the GUI.
© 2023 NXP B.V. All rights reserved.
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