Datasheet

NXP Semiconductors

UM11035

LPCXpresso boards for LPC546xx/LPC540xx/LPC54S0xx families of

MCUs

UM11035

All information provided in this document is subject to legal disclaimers.

User manual

Rev. 2.1 — 7th January 2019

30 of 36

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Fig 8. CAN-FD Shield Layout

The CAN-FD Shield has a double-height DB9 connector installed by default (P3) for

CAN/CAN-FD connections.

The Shield board layout includes provision for a DB9 connector to be installed (P2) but a

standard 0.1” header (P1) is installed by default; P1 would need to be unsoldered in

order for P2 to be fitted.

Note that header P4 is provided to allow convenient access to ground.

10.2 Jumper settings

Jumper settings are described in Table 8.

Table 8. CAN-FD Shield Jumper settings

Circuit ref

Description

Default

JP1

RS232C transceiver CTS connection.

When fitted, the RS232C transceiver CTSn signal is connected

to expansion connector J4 pin 8 (Arduino A4). On the

LPCXpresso546x8/540xx/54S0xx boards A4 is connected to pin

PIO3_4; this pin is shared with the accelerometer interrupt

output.

Installed

JP2

RS232C transceiver RXD connection.

When fitted, the RS232C transceiver R1OUT signal is connected

to expansion connector J2 pin 20. On the

Installed