RNBD451 Bluetooth® Low Energy Module User’s Guide

1 ASCII Command Interface

2 Transparent UART

3 Custom/SIG Defined GATT Services

4 Remote Command Console

1 Quick References

1.1 Reference Documentation

1.2 Hardware Prerequisites

1.3 Software Prerequisites

1.4 Acronyms and Abbreviations

2 Command Mode and Data Mode

3 Accessing RNBD451 Over UART

4 Pin Definition

4.1 Bluetooth Low Energy Status Indication Pin 1 (PB3) and Pin 2 (PB7)

4.2 Bluetooth Status LED (PB5)

4.4 I/O Level Control

4.5 UART Mode Switch (PB2)

4.6 UART RX Indication (PB4)

4.7 UART TX Indication (PA2)

4.8 RSSI Indication (PA3)

4.9 PTA Function

5 Command Reference

5.1 Command Details

5.2 System Configuration Commands

5.3 Gap Commands

5.4 Bluetooth Low Energy GATT/Profile Commands

5.5 Peripheral Commands

5.6 Device Test Mode (DTM)

5.7 DFU Commands

5.8 Deprecated Commands

5.9 Command Response and Status Event

6.1 HCI Vendor Commands and Events

6.2 HCI DFU Procedure

7 Application Demo Scenarios

7.1 Connecting to the RNBD451 Module Using the Microchip Bluetooth Data Application

7.2 Transparent UART Connection and Data Transfer using Microchip Bluetooth Data App

7.3 Creating and Accessing GATT Services Using UART Commands

7.4 Module to Module Connection

7.5 Virtual Sniffer

8 RNBD451 Device Firmware Update Procedure

8.1 Introduction

8.2 OTA DFU Process

8.3 Firmware Upgrade Procedure using Microchip RNBD Utility PC Tool

8.4 Firmware Upgrade Using Mobile App (MBD)

9 Appendix A. Bluetooth Low Energy Fundamentals

9.1 Definition of Characteristic Access Commands

10 Appendix B. Transparent UART Service UUIDs

11 Appendix C: Command Summary Quick Reference

12 Document Revision History

Microchip Information

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