BM20 BLUETOOTH
EVALUTATION BOARD USER
’S GUIDE
Preliminary Edition
2015 Microchip Technology Inc.
page 6
1 OVERVIEW
1.1 INTRODUCTION
This user’s guide describes the hardware and software setup for the BM20 Bluetooth
®
Evaluation Board.
This board contains the hardware needed to evaluate the BM20 Bluetooth module. The BM20 module is
mounted to an evaluation board that
demonstrates the module’s key features. The evaluation board contains:
Stereo audio output
Easy access to IO pins
6 push buttons to control audio playback
Status LEDs
The BM20 supports the following Bluetooth profiles: A2DP, AVRCP, and HFP/HSP
A2DP stereo audio (Sink mode wi support for Sub-Band Coding (SBC),
AVRCP media player remote control
HFP/HSP for accepting a phone call support.
For data sheet and other details related to BM20 module, refer to the Microchip web
site at
http://www.microchip.com.
This chapter discusses the following topics:
BM20 Evaluation Board Features
BM20 Evaluation Board Contents and Part Details
1.2 BM20 EVALUATION BOARD FEATURES
The BM20 Evaluation Board has the following features:
Fully qualified Bluetooth version 4.1 module, fully compatible with Bluetooth version 3.0, 2.0, 1.2
system.
Embedded BM20 module with postage-stamp size form factor of 15 x 29 x 2.5 mm (include shielding
case)
Embedded Bluetooth stack profiles: A2DP, AVRCP, and HFP/HSP
Stereo audio output for highest quality audio
Castellated SMT pads for easy and reliable PCB mounting
Environmentally friendly, RoHS compliant
Bluetooth SIG certified
On board external CDA for speaker demonstration.