Bluetooth Stereo Audio Module
Bluetooth® Stereo Audio Module
The BM20/23 stereo audio module is a Bluetooth v5.0 (BDR/EDR) audio module for designers to add wireless audio
and voice applications to their products. This Bluetooth SIG-certified module provides a complete wireless solution
with Bluetooth stack, integrated antenna, and worldwide radio certifications in a compact surface mount package.
This stereo module contains a built-in Li-Ion charger and a digital audio interface (BM23). It supports HSP, HFP, SPP,
A2DP, and AVRCP profiles. Both AAC and SBC Codecs are supported for A2DP.
Note: The customers must connect their own external analog Codec/DSP/amplifier and MCU for audio output.
Figure 1. BM20 and BM23 Module BM20 BM23 Features
• Qualified for Bluetooth v5.0 Specification
– HFP v1.6, HSP v1.1, A2DP v1.2, AVRCP v1.5, SPP v1.0, PBAP v1.0
– Bluetooth Classic, Basic Rate/Enhanced Data Rate (BDR/EDR)
On-Board Embedded Bluetooth Stack
Easy to Configure with Windows Graphical User Interface (GUI) or Direct by Microcontroller Unit (MCU)
Compact Surface Mount Module:
– 29 x 15 x 2.5 mm
– Castellated surface mount pads © 2019 Microchip Technology Inc. Datasheet DS70005406B-page 1 BM20/23