BM62/64 Bluetooth Stereo Audio Module Supports Serial Copy Management System Features (SCMS-T) content protection Qualified for Bluetooth v5.0 specification Supports A2DP 1.3, AVRCP 1.6, HFP 1.7.2, HSP FIGURE 1: BM62 MODULE 1.2 and SPP 1.2 Supports Bluetooth 5.0 dual-mode (BDR/EDR/ BLE) specifications Stand-alone module with on-board PCB antenna and Bluetooth stack Supports high resolution up to 24-bit, 96 kHz audio data format Supports Bluetooth Low Energy data rate up to 1Mbits/s Supports connection of two hosts with HFP/A2DP profiles simultaneously Transparent UART mode for seamless serial data over UART interface Supports virtual UART communication between host MCU and smartphone applications by Blue- tooth SPP or BLE link Easy to configure with Windows GUI or directly FIGURE 2: BM64 MODULE by external MCU Supports firmware field upgrade Supports one microphone Compact surface mount module: - BM62: 29 x 15 x 2.5 mm - BM64: 32 x 15 x 2.5 mm Castellated surface mount pads for easy and reliable host PCB mounting RoHS compliant Ideal for portable battery-operated devices Internal battery regulator circuitry DSP Audio Processing Supports 64 kbps A-Law, -Law PCM format/ Continuous Variable Slope Delta (CVSD) modula- tion for SCO channel operation Supports 8/16 kHz noise suppression Audio Codec Supports 8/16 kHz echo cancellation Sub-band Coding (SBC) and optional Advanced Supports Modified Sub-Band Coding (MSBC) Audio Coding (AAC) decoding decoder for wide band speech 20-bit Digital-to-Analog Converter (DAC) with Built-in High Definition Clean Audio (HCA) algo- 98 dB SNR rithms for both narrow band and wide band speech processing 16-bit Analog-to-Digital Converter (ADC) with 92 dB SNR Packet loss concealment (PLC) 2 Supports up to 24-bit, 96 kHz I S digital audio Built-in audio effect algorithms to enhance audio (BM64 only) streaming 2021 Microchip Technology Inc. Advanced DS60001403G-Page 1BM62/64 Peripherals Description Built-in lithium-ion and lithium-polymer battery The BM62/64 Stereo Audio module is a fully qualified charger (up to 350 mA) Bluetooth v5.0 dual-mode (BDR/EDR/BLE) module for designers to add wireless audio and voice applications Integrated 1.8V and 3V configurable switching to their products. The BM62/64 module is a Bluetooth regulator and Low-Dropout (LDO) regulator SIG-certified module that provides a complete wireless Built-in ADC for battery monitoring and voltage solution with a Bluetooth stack, an integrated PCB sense antenna, and worldwide radio certifications in a Built-in ADC for charger thermal protection compact surface-mount package. Built-in Undervoltage Protection (UVP) The BM62/64 module has several SKUs. The BM62 An auxiliary input port for external audio input module is a Class 2 device and the BM64 module is Two LED drivers available in both Class 1 and Class 2 versions. Multiple I/O pins for control and status RF/Analog Frequency spectrum: 2.402 GHz to 2.480 GHz Receive sensitivity: -90 dBm (2 Mbps EDR) Output Power - BM64 Class 1: +15 dBm typical - BM62/64 Class 2: +2 dBm typical HCI Interface High-speed HCI-UART interface (supports up to 921,600 bps) MAC/Baseband Processor Supports Bluetooth 5.0 dual-mode - BDR/EDR transport for audio, voice, and SPP data exchange - BLE transport for proprietary transparent service and Apple Notification Center Service (ANCS) data exchange Operating Condition Operating voltage: 3.2V to 4.2V Operating temperature: -20C to +70C Compliance Bluetooth Special Interest Group (SIG) QDID: 110148 (BM62, BM64 Class 2) and 110159 (BM64 Class 1) Certified to the United States (FCC), Innovation, Science and Economic Development Canada (ISED), European Economic Area (CE), Korea (KCC), Taiwan (NCC), Japan (MIC), China (SRRC), and Brazil (ANATEL) radio regulations Applications Portable speaker Multiple speakers Headset DS60001403G-Page 2 Advanced 2021 Microchip Technology Inc.