NXP Semiconductors LPC55 Series, User Manual, Page: 22 / 24

UM11158 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved.
User manual Rev. 1.2 — 25 April 2019 22 of 24
NXP Semiconductors
UM11158
LPCXpresso55S69 Development Board
11. Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Board layout and Settings . . . . . . . . . . . . . . . . 5
3 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1 Starting a debug session using the on-board (Link2) Debug Probe 10
3.1.1 Installation steps for use with MCUXpresso IDE 10
3.1.2 Installation steps to use Keil and IAR tools with on-board debug probe 11
3.1.3 Starting a debug session using an external Debug Probe 11
4 On-board (Link2) Debug probe. . . . . . . . . . . . 12
4.1 Link2 boot LED . . . . . . . . . . . . . . . . . . . . . . . 13
4.2 Programming 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 Measuring LPC55S69 supply current . . . . . . . 14
6 Board serial connections . . . . . . . . . . . . . . . . 14
6.1 LPC55S69 USB Ports. . . . . . . . . . . . . . . . . . . 14
6.2 USART header . . . . . . . . . . . . . . . . . . . . . . . 15
7 On-board peripherals . . . . . . . . . . . . . . . . . . . 15
7.1 Audio Codec . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.2 Micro SD card slot . . . . . . . . . . . . . . . . . . . . . 16
7.3 Accelerometer. . . . . . . . . . . . . . . . . . . . . . . . . 16
7.4 RGB User LED . . . . . . . . . . . . . . . . . . . . . . . . 16
7.5 Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.5.1 ISP (S1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.5.2 User (S3) and Wake (S2) buttons. . . . . . . . . . 17
7.5.3 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8 Expansion connectors . . . . . . . . . . . . . . . . . . 17
8.1 Mikroe Click Site . . . . . . . . . . . . . . . . . . . . . . . 17
8.2 Host / PMod Connector . . . . . . . . . . . . . . . . . 17
8.3 Arduino and LPCXpresso V3 expansion connectors 18
9 Board Power. . . . . . . . . . . . . . . . . . . . . . . . . . . 20
9.1 LPC55S69 ADC references and inputs . . . . . 20
10 Legal information. . . . . . . . . . . . . . . . . . . . . . . 21
10.1 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.2 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.3 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 21
11 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22