User's Manual

BT85x Series
Datasheet
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth
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C ONTENTS
1 Scope ....................................................................................................................................................... 4
2 Operational Description ........................................................................................................................... 4
3 Block Diagram and Descriptions ............................................................................................................... 5
4 Specifications ........................................................................................................................................... 6
5 Pin Definitions .......................................................................................................................................... 6
6 DC Electrical Characteristics ..................................................................................................................... 8
7 RF Characteristics ..................................................................................................................................... 8
8 Interface .................................................................................................................................................. 9
8.1. Global Coexistence Interface .................................................................................................................... 9
8.2. USB Interface ......................................................................................................................................... 10
8.3. PCM Interface ........................................................................................................................................ 10
8.3.1. Slot Mapping .......................................................................................................................................... 10
8.3.2. Frame Synchronization ........................................................................................................................... 10
8.3.3. Data Formatting ....................................................................................................................................... 13
8.3.4. Wideband Speech Support ..................................................................................................................... 13
8.3.5. Multiplexed Bluetooth Over PCM ........................................................................................................... 14
8.3.6. Burst PCM Mode .................................................................................................................................... 14
8.4. I
2
S Interface............................................................................................................................................ 15
8.5. BSC (Cypress Serial Control) Master Interface ......................................................................................... 17
9 Antenna Performance ............................................................................................................................ 19
10 Mechanical Dimensions and Land Pattern .............................................................................................. 21
11 Implementation Note ............................................................................................................................. 22
11.1. PCB Layout on Host PCB ......................................................................................................................... 22
11.1.1. Antenna Keep-out and Proximity to Metal or Plastic .............................................................................. 22
11.1.2. USB Dongle Design Example Using BT850-SA .......................................................................................... 23
12 Application Note for Surface Mount Modules ........................................................................................ 24
12.1. Introduction ........................................................................................................................................... 24
12.2. Shipping ................................................................................................................................................. 24
12.2.1. Tray Package .......................................................................................................................................... 24
12.2.2. Tape and Reel Package Information ....................................................................................................... 25
12.3. Reflow Parameters ................................................................................................................................. 26
13 Japan (MIC) Regulatory .......................................................................................................................... 27
13.1. Antenna Information .............................................................................................................................. 27
14 FCC Regulatory ....................................................................................................................................... 28
15 Industry Canada Regulatory ................................................................................................................... 30
16 European Union Regulatory ................................................................................................................... 32
17 Ordering Information ............................................................................................................................. 33
17.1. General Comments ................................................................................................................................ 33
18 Bluetooth SIG Approvals......................................................................................................................... 33
19 Additional Assistance ............................................................................................................................. 35