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NXP Semiconductors
UM11192
User Manual for LPCXpresso54S018M Development Board
UM11192
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2019. All rights reserved.
User manual
Rev. 1.0
— 13th February 2019
24 of 34
Pin PMod standard connection
J11 signal
Flexcomm # / Port
6
VCC (3.3V)
VDD (3.3V)
7
GPIO/INT in
GPIO/INT (out/in)
PIO2-0
8
GPIO/RESET (out)
GPIO/RESET (out)
PIO3-11
9
GPIO/SCL
SCL
2 / PIO3-24
10 GPIO/SDA
SDA
2 / PIO3-23
11 GND
GND
12 VCC (3.3V)
VDD (3.3V)
Note that the I
2
C and SPI ports on J11 are also connected to the Expansion connector
J9, and the INT and RESET connections to J12.
8.5 Expansion connectors (including Arduino connectivity)
The LPCXpresso54S018M board includes four expansion connectors (J9, J10, J12 and
J13) incorporate an Arduino Uno revision 3 footprint in their inner rows. These
connectors provide access to the CAN interfaces, additional digital microphone support
signals, I
2
S, I
2
C, USART, SPI and GPIO/INT/PWM connections. Note that several of the
signals available at these connectors are shared with other connectors or board
functions, so may not be usable if those other functions are being used.
Table 6
shows the connector circuit references and purposes.
Table 6.
Expansion connectors
Reference
Description
J9
The odd number pins are compatible with Arduino Uno rev3 Digital 15:8,
AREF, SDA & SCL connector. The even numbered pins are used for
external access and expansion of LPC54S018J4M signals not used by the
Arduino Uno rev3 compatible interface.
J13
The odd numbered pins 1
– 15 are compatible with Arduino Uno rev3 Digital
7:0 connector. The even numbered pins, and odd numbered pins 17 and 19,
are used for external access and expansion of LPC54S018J4M signals not
used by the Arduino Uno rev3 compatible interface.
J10
The even numbered pins 6
– 20 are compatible with the Arduino Uno rev3
Power connector standard.
On Revision E and later boards, pins 13 and 15 are used to provide access
to Smart Card 0 port (board modifications required to use this feature
– see
Section 8.7.
J12
The even numbered pins 2
– 12 are compatible with Arduino Uno rev3
Analog connector. The odd numbered pins are used for external access and
expansion of LPC54S018J4M signals not used by the Arduino Uno rev3
compatible interface.
Below shows the sharing of signals between the expansion connectors and other
connectors or circuit functions. Refer to the board schematics for more details.