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 23 of 24
NXP Semiconductors
UM11158
LPCXpresso55S69/55S28 Development Boards
12. Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Board layout and Settings . . . . . . . . . . . . . . . . 5
3 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1 Tool version requirements. . . . . . . . . . . . . . . . . 9
3.2 Starting a debug session using the on-board
(Link2) Debug Probe. . . . . . . . . . . . . . . . . . . . 10
3.2.1 Installation steps for use with MCUXpresso IDE .
10
3.2.2 Installation steps to use Keil and IAR tools with
on-board debug probe . . . . . . . . . . . . . . . . . . 11
3.2.3 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 1.8V operation . . . . . . . . . . . . . . . . . . . . . . . . 14
5.2 Measuring LPC55Sxx device supply current . 15
6 Board serial connections . . . . . . . . . . . . . . . . 15
6.1 LPC55Sxx USB Ports . . . . . . . . . . . . . . . . . . . 15
6.2 USART header . . . . . . . . . . . . . . . . . . . . . . . 15
7 On-board peripherals . . . . . . . . . . . . . . . . . . . 16
7.1 Audio Codec . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.2 Micro SD card slot . . . . . . . . . . . . . . . . . . . . . 16
7.3 Accelerometer. . . . . . . . . . . . . . . . . . . . . . . . . 17
7.4 RGB User LED . . . . . . . . . . . . . . . . . . . . . . . . 17
7.5 Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.5.1 ISP (S1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.5.2 User (S3) and Wake (S2) buttons. . . . . . . . . . 18
7.5.3 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.6 Crystals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8 Expansion connectors . . . . . . . . . . . . . . . . . . 18
8.1 Mikroe Click Site . . . . . . . . . . . . . . . . . . . . . . . 18
8.2 Host / PMod Connector . . . . . . . . . . . . . . . . . 18
8.3 Arduino and LPCXpresso V3 expansion
connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9 Other features . . . . . . . . . . . . . . . . . . . . . . . . . 21
9.1 LPC55Sxx ADC references and inputs. . . . . . 21
10 Errata. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.1 Brown-out detect (BOD) may be triggered during
boot (code execution from ROM) . . . . . . . . . . 21
10.2 SPI ISP mode . . . . . . . . . . . . . . . . . . . . . . . . . 21
10.3 Power supply rise time . . . . . . . . . . . . . . . . . . 22
11 Board operating conditions . . . . . . . . . . . . . . 22
12 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
To Next Page
Loading...
