UM10830
OM13071 LPCXpresso824-MAX Development board
Rev. 1 — 29 September 2014
User manual
Document information
Info
Content
Keywords
Abstract
OM13071, LPC82x, development board, mbed, arduino
This user manual describes the LPCXpresso824-MAX development
board.
NXP Semiconductors
UM10830
OM13071
Revision history
Rev
Date
1
20140929
Description
Initial version
Contact information
For more information, please visit:
http://www.nxp.com
For sales office addresses, please send an email to:
salesaddresses@nxp.com
UM10830
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2014. All rights reserved.
User manual
Rev. 1 — 29 September 2014
2 of 11
NXP Semiconductors
UM10830
OM13071
1. Introduction
The LPCXpresso-MAX family of boards provides a powerful and flexible development
system for NXP's low end Cortex-M0+ MCUs. They can be used with a range of
development tools, including the LPCXpresso IDE, in addition to ARM's mbed online
toolchain. The LPCXpresso824-MAX board is developed by NXP to enable evaluation of
and prototyping with the LPC82x family of MCUs.
Fig 1
shows the LPCXpresso824-MAX
Board.
Fig 1.
LPCXpresso824-MAX Board
1.1
Features
The LPCXpresso824-MAX board includes the following features:
•
Compatible with LPCXpresso IDE, mbed, and other toolchains.
•
On-board CMSIS-DAP (debug probe) with USB, based on LPC11U35 MCU.
•
Debug connector to allow debug of target MCU through an external probe.
•
Tri-color LED.
•
Target ISP and WAKE buttons.
•
Target Reset button.
•
Target pins available on ‘standard LPCXpresso/mbed’ expansion connector.
•
Arduino connectors compatible with the “Arduino UNO” platform.
•
Pmod expansion header.
®
UM10830
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© NXP B.V. 2014. All rights reserved.
User manual
Rev. 1 — 29 September 2014
3 of 11
NXP Semiconductors
UM10830
OM13071
•
Prototyping area.
•
Powering options from multiple sources.
•
Options to allow measurement of current consumed by target MCU.
2. Board layout
The LPCXpresso824-MAX development board layout is shown in
Fig 2.
Fig 2.
LPCXpresso824-MAX development board layout
UM10830
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2014. All rights reserved.
User manual
Rev. 1 — 29 September 2014
4 of 11
NXP Semiconductors
UM10830
OM13071
2.1 Jumper settings
Jumpers on the LPCXpresso824-MAX board can be used to configure debug probe
selection (on-board vs off-board) or to measure power consumption as described in
sections
2.1.1
and
2.1.2.
2.1.1 JP1: on-board/off-board debug
When this jumper is open (default), the on-board debug probe (LPC11U35 device) is
used as the debug interface. The JP1 header is not fitted during manufacture of the
board. The debug probe boots from flash, enumerates as a CMSIS-DAP device, mbed
mass storage device, and mbed serial port. See section
5
for more details on the serial
port device.
When JP1 is closed (jumper fitted), the on-board debug probe is held in reset, and an
external debug probe can be connected using the P5 connector. The Reset button can
also be held down at board power-up to prevent the LPC11U35 booting up as a
CMSIS-DAP debug probe.
Note: The mbed serial device will not enumerate when using an external debug probe.
2.1.2 JP2: target current
The JP2 jumper is provided to enable supply current to the measuring board by placing
an ammeter in line with JP2 pins. By default, the solder jumper (SJ2) bypasses the JP2
jumper. Header P1 can be installed to measure supply power (across a 2.43 ohm resistor
on the board).
Fig 3
shows a close up of the board in the area where SJ2 and P1 are
located. The IC below SJ2 is the LPC824.
Fig 3.
Close up of board showing SJ2 and P1
See the schematic, available at
http://www.lpcware.com/lpcxpresso-max-boards
for more
information.
2.2 Buttons
The LPC824Xpresso-MAX has three push buttons available to control the operation of
the LPC824 (target) MCU. Their functions are described in sections
2.2.1, 2.2.2,
and
2.2.3.
UM10830
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2014. All rights reserved.
User manual
Rev. 1 — 29 September 2014
5 of 11
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