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NXP Semiconductors
6.3.1 Device connection
The device connection boxes appear first in the Connection toolbar menu.
Figure 31. Device connection
When the S32K144 MCU is not connected through the USB port, the State indicator in the USB and Status bar
shows NOT DETECTED, the FS2300 header text appears red, and the Start button is not available.
Figure 32. Device connection: Not detected
After the USB cable is connected, the State indicator displays DISCONNECTED and the Start button becomes
available.
Figure 33. Device connection: Disconnected
Click Start to start communication with the FS2300.
At this point, the State indicator displays CONNECTED and FS2300 header text changes from red to green.
Figure 34. Device connection: Connected
Usually, once connected, the next step is to load an OTP configuration and write it in the Mirror registers.
2
6.3.2 I
C/SPI communication configuration
The FS2300 supports both I
or SPI configuration settings for MCU side appear second in the Connection toolbar, allowing to choose the
protocol frequency and device address if applicable.
2
Figure 35. I
C/SPI communication configuration
The display changes depending on the communication protocol chosen when launching the NXP GUI, see
Section
5.3, when enabling SPI communication by OTP, or when selecting MCU communication protocol from
Protocol selection box.
On the FS2300 side, the I
If the FS2300 part is empty, the default communication protocol is I
2
I
C even if SPI protocol is desired as outlined in
instructions below:
UM11879
User manual
2
C and SPI communication protocol. I
2
C device address is set by OTP in I2CDEVADDR register. See
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 25 September 2023
2
C is the default communication protocol. I
2
C, and the GUI should be started with
Section
5.3. To enable SPI from an empty part, follow the
UM11879
KITFS23LDOEVM evaluation board
Section
© 2023 NXP B.V. All rights reserved.
2
C
6.5.2.1.1.
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