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Introduction

This document introduces how to use and modify peripheral examples in a GR551x Software Development Kit (SDK), which allows users to quickly get started with secondary development.

Before getting started, you can refer to the following documents.

Table 1 Reference documents
Name Description

GR551x Developer Guide

Introduces GR551x SDK and how to develop and debug applications based on the SDK.

GR551x Datasheet

Provides overview, pinout, memory, PMU, clock, peripherals, security cores, communications subsystems, and packaging information of GR551x System-on-Chips (SoCs).

J-Link/J-Trace User Guide

Provides J-Link operational instructions. Available at http://www.segger.com/downloads/jlink/UM08001_JLink.pdf.

Keil User Guide

Offers detailed Keil operational instructions. Available at www.keil.com/support/man/docs/uv4/.

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