LPCXpresso boards for LPC546xx/LPC540xx/LPC54S0xx families of 
MCUs 
All information provided in this document is subject to legal disclaimers. 
© NXP B.V. 2017-2019. All rights reserved. 
Rev. 2.1 — 7th January 2019 
Fig 3.  Jumper and LED locations 
 
Table 1 lists the function of each jumper.  
Table 1.  Jumpers 
 
Target processor selection for the on-board Debug Probe.  
Jumper open (default) the LPC546x8/540xx/54S0xx Target SWD 
interface enabled.  Normal operating mode where the Target SWD 
is connected to either the on-board Link2 Debug Probe or an 
external Debug Probe. 
Jumper shunted, the LPC546x8/540xx/54S0xx Target SWD 
interface is disabled.  Use this setting only when the on-board 
Link2 Debug Probe is used to debug an off-board target MCU. 
Debug probe
DFU boot
JP1
JP2
JP5
JP6
JP9
JP7
JP3
JP10
JP11
JP12
JP13
JP4
Reset LED
Power LED
SD/MMC card
Power LED
Link2 boot LED
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