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UM11158

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

© NXP B.V. 2022. All rights reserved.

User manual

Rev. 1.6 — 17 March 2022 

3 of 24

 

NXP Semiconductors

UM11158

LPCXpresso55S69/55S28 Development Boards

1. Introduction

The LPCXpresso™ family of boards provides a powerful and flexible development system 
for NXP's LPC Cortex®-M family of MCUs. They can be used with a wide range of 
development tools, including NXP’s MCUXpresso IDE, Keil uVISION and IAR Embedded 
Workbench. The LPCXpresso55S69 board (order code LPC55S69-EVK) and 
LPCXpresso55S28 board (order code LPC55S28-EVK) are the evaluation and 
development platforms for the LPC55S6x and LPC55S2x/LPC552x families of MCUs 
respectively.

See https://www.nxp.com/demoboard/LPC55S69-EVK or 
https://www.nxp.com/demoboard/LPC55S69-EVK for more information on these boards, 
including tutorial videos, development software and board hardware design files. Both 
board designs are identical except for the LPC target MCU fitted; the information in this 
manual applies to both board types unless otherwise noted. The abbreviation LPC55Sxx 
is used to collectively refer to the LPC55S69 or LPC55S28 device on these boards. 

Note: 

the schematics for this board indicate components that are not installed by default 
with a red cross.

 

 

The LPCXpresso55S69 and LPCXpresso55S28 boards include the following features:

LPC55S69 Dual Cortex-M33 core processor or LPC55S28 Cortex-M33 processor

Fig 1.

LPCXpresso55S69 

Summary of Contents for LPCxpresso55S28

Page 1: ...28 Development Boards Rev 1 6 17 March 2022 User manual Document information Info Content Keywords LPC55S69 LPC55S6x LPCXpresso55S69 LPC55S69 EVK LPC55S28 LPCXpresso55S28 LPC55S28 EVK Abstract LPCXpre...

Page 2: ...t labeling of external serial connector Renamed section 10 to Errata added information about regulator errata Revision A2 boards 1 4 20191114 Added information about tool version requirements 1 3 2019...

Page 3: ...t platforms for the LPC55S6x and LPC55S2x LPC552x families of MCUs respectively See https www nxp com demoboard LPC55S69 EVK or https www nxp com demoboard LPC55S69 EVK for more information on these b...

Page 4: ...Link protocol options UART and SPI port bridging from LPC55Sxx target to USB via the onboard debug probe Optional external debug probes with trace option 10 or 20 pin Cortex M connectors RGB user LED...

Page 5: ...4 NXP Semiconductors UM11158 LPCXpresso55S69 55S28 Development Boards 2 Board layout and Settings Figure 2 shows the layout of the board top side indicating location of the connectors and buttons whil...

Page 6: ...ion 7 1 J3 Buffer Power Selection For On board Target place in position 1 2 default For Off board Target place in position 2 3 1 2 Section 3 2 Section 4 4 J4 Link2 LPC43xx force DFU boot Leave this ju...

Page 7: ...e Vbus i e enable USB host capability Installed USB1 Section 6 1 J10 ISP boot jumper for LPC55Sxx Installing this jumper ties port P0_5 to ground forcing the LPC55Sxx into ISP mode whenever it is rese...

Page 8: ...negative voltage references for the LPC55Sxx ADC An external positive reference may be connected to pin 1 Note that a solder jumper zero ohm resistor must be in position 2 3 on J8 An external negative...

Page 9: ...f these companies for further information 3 1 Tool version requirements To ensure correct debugger operation the following tool versions are recommended IAR Embedded Workbench EWARM version 8 40 2 or...

Page 10: ...tual COM port and Debug Probe features will not be available if the board is not first initialized by the MCUXpresso IDE 3 2 1 Installation steps for use with MCUXpresso IDE Download and install the M...

Page 11: ...ed demo Allow about 30 seconds for the Link2 devices to enumerate for the first time It is not necessary to check the Hardware Manager on your host computer however if this is done there will be five...

Page 12: ...to a host computer for example the VCOM port can be used if the board is running an application when no debugger is running In order to correctly install and use the Link2 device on the LPCXpresso55S6...

Page 13: ...ate with a unique identifier On Windows to determine the COM port open the Windows operating system Device Manager This can be achieved by going to the Windows operating system Start menu and typing D...

Page 14: ...n require a minimum supply voltage of 1 85V so jumper P4 must be set in the 3 3V position or an external supply provided to the center pin of P4 For Revision A2 boards P4 may be set in the 1 8V positi...

Page 15: ...onnect power from a load switch to the VBUS signal of the port selected J6 should be placed in position 1 2 for USB1 or position 2 3 for USB0 If neither USB port is being used as a USB host this jumpe...

Page 16: ...c The board design assumes pad sharing between Flexcom 6 and Flexcom 7 for I2S connections I2S connections from the LPC55Sxx are also connected to the Expansion connectors solder jumpers may be remove...

Page 17: ...ntrolled by LPC55Sxx ports P1_4 Blue P1_6 Red P1_7 Green with the LEDs being illuminated when the respective LED is pulled low Note that these port lines are also connected to expansion connector P18...

Page 18: ...552x Cap Bank API of the LPC55S6x LPC55S2x LPC552x User manual for further information 8 Expansion connectors The LPCXpresso55S69 includes 3 expansion connector sets incorporating support for Arduino...

Page 19: ...rt Notes SDIO Clock P0_7 IOCON function 2 SDIO Command P0_8 IOCON function 2 D0 P0_9 IOCON function 2 D1 P0_17 IOCON function 2 D2 P0_24 IOCON function 2 D3 P0_25 IOCON function 2 Card detect P0_21 IO...

Page 20: ...is subject to legal disclaimers NXP B V 2022 All rights reserved User manual Rev 1 6 17 March 2022 20 of 24 NXP Semiconductors UM11158 LPCXpresso55S69 55S28 Development Boards Fig 4 P16 and P19 conne...

Page 21: ...ted to PIO0_16 and PIO0_23 10 Errata 10 1 Brown out detect BOD may be triggered during boot code execution from ROM Initial production LPCXpresso55S69 boards marked as Revision A1 use LPC55S69 revisio...

Page 22: ...rise time of the power supply on the LPC55S69 S28 does not meet the power up ramp conditions specified in the datasheet Please see the data sheet and VBAT_DCDC 1 errata in the errata sheet 11 Board o...

Page 23: ...ng the Link2 firmware 13 4 3 VCOM port 13 4 4 Configuring the LPCXpresso55S69 to debug an off board target 13 5 Board Power 14 5 1 1 8V operation 14 5 2 Measuring LPC55Sxx device supply current 15 6 B...

Page 24: ...ducts for use in customer s applications NXP accepts no liability for any vulnerability Customer should regularly check security updates from NXP and follow up appropriately Customer shall select prod...

Page 25: ...marks of Mobileye Vision Technologies Ltd in the United States the EU and or other jurisdictions NXP B V 2018 2022 All rights reserved For more information please visit http www nxp com For sales offi...

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