Datasheet

UM11080 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2017. All rights reserved.
User Manual Rev. 1.0 — 27 November 2017 3 of 12
NXP Semiconductors
LPC845 Capacitive Touch Kit
User Manual
1. Introduction
The LPC845 Capacitive Touch Kit enables easy evaluation of the capacitive touch
features of the LPC84x family of devices. The Kit can be used with a range of
development tools, including the MCUXpresso IDE, IAR EWARM and Keil MDK.
The LPC845 Capacitive Touch Kit board includes the following features:
• Compatible with MCUXpresso IDE and other popular toolchains (incl. IAR and Keil)
• On-board CMSIS-DAP (debug probe) with VCOM port, based on LPC11U35 MCU
• LPC845 Main Processor (MP) Board, compatible with LPCXpresso845MAX board
(for common features), for easy code porting/sharing
• Rotary wheel and slider (RWS) sensor board
• 9 button matrix (BM) sensor board
• Debug connector to allow debug of target MCU using an external probe
• LEDs on sensor boards for each capacitive touch pad
• Target ISP and User/Wake buttons
• Target Reset button
• DAC output via speaker driver and speaker
2. Board Layout
Figure 2 below shows the layout of the MP board, indicating location of jumpers, buttons,
connectors/expansion options and MCU devices.
Fig 1. LPC845 Capacitive Touch Kit boards