NXP Semiconductors LPCXpresso18S37, Руководство пользователя, Страница: 13 / 20

NXP Semiconductors
UM10946
LPCXpresso board for LPC4367/43S67/18S37 family of MCUs
UM10946 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2015. All rights reserved.
User manual Rev. 1.0
— 18 November 2015
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7. Expansion connectors
The LPCXpresso4367
board includes four expansion connectors plus a PMod™
compatible connector (J3). The expansion connectors (J1, J2, J6 and J7) incorporate an
Arduino Uno revision 3 footprint in their inner rows. Not all connector locations are
populated on the expansion connectors since the Target MCU does not have enough I/O
to utilize all of the available connections (additional pin locations are provided for
compatibility with future LPCXpresso boards.)
Table 4. Expansion Connectors
Reference Description
J1 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 Target MCU signals not used by the Arduino Uno
rev3 compatible interface.
J2 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 Target MCU signals not used
by the Arduino Uno rev3 compatible interface.
J3
PMod™ connector. Connected to the Target MCU SPI0 and I2C2.
J6 The even numbered pins 6
– 20 are compatible with Arduino Uno rev3 Power
connector. The odd number pins are used for external access and expansion
of Target MCU signals not used by the Arduino Uno rev3 compatible interface.
J7 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 Target MCU signals not used by the Arduino Uno rev3
compatible interface.
8. Buttons
The LPCXpresso4367 board has 3 push buttons available to control the operation of the
Target MCU (target) MCU. Their functions are as described below.
8.1 Reset
This button is used to reset the Target MCU.
8.2 ISP
This button connects to the Target MCU P2_7 pin and may be used to force the
TARGET MCU into ISP boot mode. To force ISP boot, hold the ISP button down while
pressing and releasing the reset button. The ISP mode selected when using this function
is determined by JP3 and JP5, as shown below.
Table 5. ISP boot mode selection
Mode JP3 JP5 JP11
SW2 not pressed
– Flash boot
X x x