User's Manual

Enhanced Class 1 Bluetooth v2.1 Module
User’s Guide
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www.lairdtech.com/wireless
3
CONN-GUIDE-BT740_v0.2
Table of Contents
1 Overview and Key Features .................................................................................................. 4
2 Specifications ....................................................................................................................... 5
3 I/O Characteristics .............................................................................................................. 11
4 Functional Description ........................................................................................................ 12
5 AT Command Set ............................................................................................................... 15
6 S Registers ......................................................................................................................... 35
7 Error Codes ........................................................................................................................ 50
8 Multipoint Protocol .............................................................................................................. 53
9 Module Events .................................................................................................................. 118
10 HDP Profile Related Events .............................................................................................. 127
11 Debug Events ................................................................................................................... 128
12 Data Channels .................................................................................................................. 129
13 Multipoint Application Examples ....................................................................................... 134
14 AT Application Examples .................................................................................................. 152
15 Surface Mount Modules .................................................................................................... 182
16 FCC Regulatory Statements ............................................................................................. 184
17 EU Declarations of Conformity .......................................................................................... 190
18 Mechanical Details ............................................................................................................ 192
19 Ordering Information ......................................................................................................... 194
20 Bluetooth SIG Approvals ................................................................................................... 195
21 Glossary of Terms ............................................................................................................ 197