NXP Semiconductors
LPCXpresso55S36UM
LPCXpresso55S36 Development Board User Manual
Part identifier Jumper type Description Reference section
JP71 1x2 pin header VIN_LDO power source selection jumper:
• Open: VIN_LDO supply is powered from
SYS_5V0 supply
• Shorted (default setting): VIN_LDO supply is
powered from VIN1/VIN2 supply that comes
from Motor 1 + unused MCU pin socket /
Motor 2 + Arduino socket
JP12 1x2 pin header USART connector disable jumper:
• Open: UART connection from USART
connector JP3 is driven to the target MCU
• Shorted (default setting): UART connection
from USART connector JP3 is disabled
JP26 1x2 pin header USB-to-UART bridge disable jumper:
• 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.
Use this setting when using USART
connection from USART connector JP3.
Section 2.4
JP4 1x2 pin header USB-to-I2C bridge disable jumper:
• Open: MCU-Link is connected to the target
MCU through a USB-to-I2C bridge
• Shorted (default setting): The USB-to-I2C
bridge between MCU-Link and the target
MCU is disabled
Section 2.5
JP19 1x2 pin header Audio codec digital audio input enable jumper:
• Open: Audio codec cannot receive digital
audio input
• Shorted (default setting): Audio codec can
receive digital audio input from the target
MCU
JP18 1x2 pin header Audio codec digital audio output enable jumper:
• Open: Digital audio output from audio codec
is disabled
• Shorted (default setting): Audio codec can
send digital audio output to the target MCU
Section 2.6.1
JP34 (DNP) 1x2 pin header SPI NOR flash memory power enable jumper.
SPI memory and jumper JP34 are not populated
on the board.
JP57 (DNP) 1x2 pin header USB-to-SPI bridge disable jumper. JP57 is
not populated on the board. If populated, it
can be used to disable the USB-to-SPI bridge
(so that the target MCU HS SPI port can be
used for other purposes, for example, as a SPI
connection from SPI NOR flash memory).
Section 2.7
JP23 1x2 pin header HS CAN transceiver high-level CAN bus line
(CANH) disable jumper:
• Open (default setting): Signal transmission is
enabled over CANH bus line
• Shorted: Signal transmission is disabled over
CANH bus line
Section 2.8
Table 6. LPCXpresso55S36 jumpers...continued
LPCXpresso55S36UM All information provided in this document is subject to legal disclaimers. © NXP B.V. 2022. All rights reserved.
User manual Rev. 2 — 5 September 2022
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