NXP Semiconductors
KW45B41Z-EVKUM
KW45B41Z-EVK Board User Manual
Part identifier Jumper type Description Reference section
• Open (default setting): MCU-Link is
connected to the target MCU through a USB-
to-UART bridge
• Shorted: The USB-to-UART bridge between
MCU-Link and the target MCU is disabled
JP34 1x2 pin header USB-to-SPI bridge disable jumper:
• Open: MCU-Link is connected to the target
MCU through a USB-to-SPI bridge
• Shorted (default setting): The USB-to-SPI
bridge between MCU-Link and the target
MCU is disabled. With this jumper setting, the
SPI PCS3 connection can be used to connect
the target MCU to the SPI NOR flash memory
(U4).
Section 2.5
JP30 1x2 pin header USB-to-I2C bridge enable jumper:
• Open: The USB-to-I2C bridge between MCU-
Link and the target MCU is disabled
• Shorted (default setting): MCU-Link is
connected to the target MCU through a USB-
to-I2C bridge
Section 2.6
JP43 1x3 pin header Accelerometer I2C address configuration (when
accelerometer acts as a secondary I2C device)
jumper:
• 1-2 shorted (default setting): Accelerometer 8-
bit I2C addresses are as follows:
– Read address: 0x33
– Write address: 0x32
• 2-3 shorted: Accelerometer 8-bit I2C
addresses are as follows:
– Read address: 0x31
– Write address: 0x30
Section 2.8
JP33 1x2 pin header Arduino socket power connector J3 12 V input
power enable jumper:
• Open: 12 V input power is disconnected from
Arduino socket power connector J3
• Shorted (default setting): 12 V input power is
supplied to Arduino socket power connector
J3
Section 2.10
JP20 1x2 pin header MCU-Link (LPC55S69) force ISP mode jumper:
• Open (default setting): MCU-Link follows
normal boot sequence (MCU-Link boots from
internal flash if a boot image is found). With
the internal flash erased, MCU-Link normal
boot sequence falls through to ISP boot
mode.
• Shorted: MCU-Link is forced to ISP mode
(USB1). Use this setting to reprogram MCU-
Link internal flash with a new image or use
the MCUXpresso IDE with CMSIS-DAP
protocol.
Section 3.2
Table 5. KW45B41Z-EVK jumpers...continued
KW45B41Z-EVKUM All information provided in this document is subject to legal disclaimers. © 2023 NXP B.V. All rights reserved.
User manual Rev. 2 — 13 February 2023
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