BM20/BM23 Bluetooth 4.1 Stereo Audio Module Features: Build-in four languages (Chinese/ English/ Spanish/ French) voice prompts and 20 events for each one Complete, Fully Certified, Embedded 2.4 GHz Bluetooth Version 4.1 (This function can be set up in IS20XXS UI tool.) Module Support SCMS-T Bluetooth Classic (BDR/EDR) Bluetooth SIG Certified Audio Codec Onboard embedded Bluetooth Stack 20 bit DAC and 16 bit ADC codec Transparent UART mode for seamless serial 98dB SNR DAC playback data over UART interface Easy to configure with Windows GUI or direct Peripherals by MCU Built-in Lithium-ion battery charger (up to 350mA) Compact surface mount module: 29 x 15 x 3 Integrate 3V, 1.8V configurable switching regulator and 2.5 mm LDO Castellated surface mount pads for easy and reliable host PCB mounting Built-in ADC for battery monitor and voltage sense. Environmentally friendly, RoHS compliant A line-in port for external audio input Perfect for Portable Battery Operated Two LED drivers Devices Internal Battery Regulator Circuitry Flexible HCI interface Worldwide regulatory certifications High speed HCI-UART (Universal Asynchronous Audio-In / Out 2 Receiver Transmitter) interface (up to 921600bps) BM23 support digital audio I S format. BM20 support analog audio output. MAC/Baseband/Higher Layer: Secure AES128 encryption Operational: Bluetooth profiles Operating voltage: 3.0V to 4.2V - HFP v1.6 Temperature range: 20C to 70C - HSP v1.1 Simple, UART interface - A2DP v1.2 Integrated crystal, internal voltage - AVRCP v1.5 regulator, and matching circuitry - SPP v1.0 Multiple I/O pins for control and status - PBAP v1.0 RF/Analog: Frequency: 2.402 to 2.480 GHz Antenna: Receive Sensitivity: 91 dBm (/4 Printed Antenna DQPSK) Compliance: Power Output: class 2 / +4dBm max. Bluetooth SIG QDID Connection Distance: >10m Module certified for the United States (FCC) and (free space and no interference) Canada (IC), Korea (LCC), Taiwan (NCC), Japan (MIC) and China(SRRC) Audio processor Support 64 kb/s A-Law or -Law PCM format, or CVSD (Continuous Variable Slope Delta Modulation) for SCO channel operation. Noise suppression Echo suppression SBC and optional AAC decoding Packet loss concealment 2015 Microchip Technology Inc. Page 1 Preliminary Edition Figure 1: This stereo module built-in Li-Ion charger General Description: and BM23 contain a digital audio interface. It Stereo module is a fully-certified supports HSP, HFP, SPP, A2DP, and Bluetooth Version 4.1 (BDR/EDR) module AVRCP profiles. Both AAC and SBC codecs for designers who want to add Bluetooth are supported for A2DP. Note that the wireless audio and voice applications to their customer must connect their own external products. analog CODEC/DSP/amplifier and MCU for audio output. This Bluetooth SIG certified module provides a complete wireless solution with Applications: Bluetooth stack, integrated antenna, and Bluetooth sound bar worldwide radio certifications in a compact Bluetooth stereo speaker phone 3 surface mount package, 29x15x2.5 mm . 2015 Microchip Technology Inc. Page 2 Preliminary Edition