Doc Feedback
Thanks for your interest, welcome to contact us.
Thanks for your feedback
Documentation > GR551x IAR User Manual/ Introduction Copy URL


IAR Embedded Workbench IDE for Arm (IAR EWARM, mentioned as IAR below) is an integrated development environment (IDE) built by IAR Systems, supporting 8-bit, 16-bit, and 32-bit microprocessors and microcontrollers, and providing more user-friendly experience among ARM IDEs. IAR features:

  • Highly optimized C/C++ Compiler
  • IAR XLINK Linker supporting common applications
  • Powerful support for project management
  • C-SPY Debugger, a fully integrated debugger with performance analysis, power visualization, and RTOS plugins

This document serves as a roadmap for users building GR551x application development environment with IAR on Windows PCs, so as to create, compile, download, and debug Bluetooth LE applications, with an example provided as reference.

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

Table 1 Reference documents

GR551x Developer Guide

Introduces the software/hardware and quick start guide of GR551x SoCs.

J-Link/J-Trace User Guide

Provides J-Link operational instructions.

Available at

Bluetooth Core Spec

Offers official Bluetooth standards and core specification from Bluetooth SIG.

Bluetooth GATT Spec

Provides details about Bluetooth profiles and services.

Available at

IAR Embedded Workbench IDE User Guides

Provides various information about IAR IDE.

Available at:

Scan to follow

Open WeChat, use "Scan" to follow.