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Reference Documents

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

Table 4 Reference documents
Name Description

GR551x Developer Guide

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

Keil User Guide

Offers detailed Keil operational instructions. Available at

Bluetooth GATT Spec

Provides details about Bluetooth profiles and services. Available at

GR551x Datasheet

Provides overview, pinout, memory, PMU, clock, peripherals, security cores, communications subsystems, and packaging information of GR551x SoCs.

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