User's Manual
Class 1 Bluetooth v2.0 Module
User’s Guide
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www.lairdtech.com/bluetooth
3
CONN-GUIDE-BT730_v0.9
TABLE OF CONTENTS
Revision History ............................................................................................................................................. 2
Table of Contents .......................................................................................................................................... 3
1. Overview and Key Features.................................................................................................................... 5
Features & Benefits ................................................................................................................................................... 5
2. Specifications .......................................................................................................................................... 6
2.1 Detailed Specifications ............................................................................................................................ 6
3. Hardware Specifications ......................................................................................................................... 8
3.1 Pin Definitions ......................................................................................................................................... 8
3.2 Electrical Specifications ......................................................................................................................... 11
4. IO CHARACTERISTICS ....................................................................................................................... 14
4.1 Power Consumption .............................................................................................................................. 14
4.2 Typical Current Consumption in mA ..................................................................................................... 14
5. Functional Description .......................................................................................................................... 15
5.1 UART Interface ...................................................................................................................................... 15
5.2 SPI Bus ................................................................................................................................................... 16
5.3 PCM Interface ........................................................................................................................................ 16
5.4 General Purpose I/O and ADC ............................................................................................................... 17
6. AT Command Set Reference ................................................................................................................ 17
6.1 Introduction........................................................................................................................................... 17
6.2 Assumptions .......................................................................................................................................... 18
6.3 Commands ............................................................................................................................................ 18
6.4 Unsolicited Responses ........................................................................................................................... 50
6.5 Incoming Connections ........................................................................................................................... 51
6.6 Dropping Connections ........................................................................................................................... 51
6.7 Pairing and Trusted Devices .................................................................................................................. 52
6.8 Error Responses ..................................................................................................................................... 53
6.9 Factory Default Mode ........................................................................................................................... 54
6.10 Miscellaneous Features ......................................................................................................................... 54
6.11 Disclaimers ............................................................................................................................................ 55
6.12 Data Sheet Status .................................................................................................................................. 56
6.13 Changes between release ..................................................................................................................... 56
7. PCM CODEC Interface ......................................................................................................................... 56
7.1 Compatible Codec Chips ........................................................................................................................ 56