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BM83

Microchip

Stereo Audio Module

BM83 BM83 Bluetooth® Stereo Audio Module Data Sheet Introduction The BM83, based on Microchip’s dual-mode IS2083 syste...


BM83

Microchip


Octopart Stock #: O-1522277

Findchips Stock #: 1522277-F

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Description
BM83 BM83 Bluetooth® Stereo Audio Module Data Sheet Introduction The BM83, based on Microchip’s dual-mode IS2083 system-on-chip (SoC) device, is an RF-certified, fully integrated module with high-performing voice and audio post-processing capability for Bluetooth audio applications. Tuning for Noise Reduction, Acoustic Echo Cancellation (AEC) and
More View EQ filtering can be customized with an easy-to-use GUI Configuration Tool. This flexible platform provides multiple digital and analog audio interfaces including stereo microphones, I2S, Line-In and a stereo audio DAC. It supports easy firmware upgrades via UART, USB and Over-theAir (OTA). This turn-key solution module is pre-programmed with firmware that enables Bluetooth audio playback for a plug-andplay solution, and an audio transceiver solution for A2DP source/sink. Control settings for LED drivers and other peripherals can be set via the Configuration Tool. Advanced developers can use the Software Development Kit (SDK) to implement their applications. Note:  Contact your local sales representative for more information about the Software Development Kit (SDK). Figure 1. BM83 Module Block Diagram PCB ANTENNA BM83 IS2083BM LINE-IN MIC-1 (STEREO DIGITAL) MIC-1 (ANALOG) MIC-2 (ANALOG) AUDIO CODEC DSP BLUETOOTH TRANSCEIVER CORE POWER MANAGEMENT UNIT FLASH MEMORY ROM I/O PORT RAM XTAL BAT_IN ADAP_IN I2 C © 2019-2022 Microchip Technology Inc. and its subsidiaries Data Sheet I 2S UART USB GPIO INTEDREFBAUCEG DS70005402E-page 1 BM83 The BM83 module supports the following Bluetooth profiles and codecs: • Profiles: – Hands-free Profile (HFP) 1.7.2, Headset Profile (HSP) 1.2, Advanced Audio Distribution Profile (A2DP) 1.3, Serial Port Profile (SPP) 1.2, Audio/Video Remote Control Profile (AVRCP) 1.6 and Phone Book Access Profile (PBAP) 1.2 • Codecs: – Advanced Audio Codec (AAC) and Sub-band Coding (SBC) Features • Qualified for Bluetooth v5.0 Specification: – HFP 1.7.2, HSP 1.2, A2DP 1.3, SPP 1.2, AVRCP 1.6 and PBAP 1.2 – Bluetooth classic (BR/EDR) and Bluetooth Low Energy – General Attribute Profile (GATT) and General Access Profile (GAP) – Bluetooth Low Energy Data Length Extension (DLE) and secure connection • SDK: – 8051 MCU debugging – 24-bit program counter and data pointer modes • Multi-Link: – A2DP (maximum 3 devices) – HFP (maximum 1 device) • Multi-Speaker (MSPK) Solution: – Microchip's proprietary solution to connect a central speaker to one or more peripheral speakers – With MSPK firmware, the BM83 can provide Concert mode and Stereo mode • Audio Transceiver (AT) Solution: – With AT firmware, the BM83 can work as either an A2DP source (where BM83 is the transmitter) or A2DP/HFP sink (where BM83 is a receiver) • Audio Interfaces: – Stereo line input – Two analog microphones – One stereo digital microphone – Stereo audio Digital-to-A






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