This document is about the hardware description and quick start of LPC2103 and EasyARM2103 from Guangzhou Zhouligong Single Chip Development Co., Ltd. The document introduces the features and pin information of LPC2103, as well as the hardware characteristics and structure of EasyARM2103. In addition, the document also describes the methods of project editing and debugging using ADS 1.2 integrated development environment, as well as the operation steps of using EasyJTAG-H emulator. Furthermore, the document explains in detail the various functional components of LPC2103, including pin connection module, GPIO, vector interrupt controller, external interrupt, timer and SPI controller.