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-Analog converter (DAC)
- Inter-IC (I²S) Sound input/output
- I²S Host Clock (MCLK)/reference clock
USB, UART and Over-the-Air (OTA) Firmware Upgrade
Built-In Lithium-Ion and Lithium Polymer Battery Charger (Up to 350 mA Charging Current)
Compact Surface Mount Module:
- 32 mm x 15 mm x 2.5 mm
- Castellated surface mount pads
- Module shield
Integrated 3V and 1.8V Configurable Switching Regulator and Low-Dropout (LDO)

RF/Analog

Frequency Spectrum: 2.402 GHz to 2.480 GHz
Receive Sensitivity: -90 dBm (2 Mbps EDR at 0.01% BER)
Programmable Transmit Output Power:
- Up to +10.4 dBm (typical) for Basic Data Rate (BDR)
- Up to +9.2 dBm (typical) for Enhanced Data Rate (EDR)

16/32-Bit DSP Core with Enhanced 32-Bit Precision, Single Cycle Multiplier
64 Kbps A-Law, µ-Law Pulse Code Modulation (PCM) or Continuous Variable Slope Delta (CVSD) Modulation for Synchronous Connection-Oriented (SCO) Channel Operation
8/16 kHz Noise Reduction (NR)
8/16 kHz Acoustic Echo Cancellation (AEC)
Modified Sub-Band Coding (mSBC) Decoder for Wideband Speech
Packet Loss Concealment (PLC) for SBC and AAC Codecs Only

SBC and AAC
20-Bit Audio Stereo DAC with Signal-to-Noise Ratio (SNR) 95 dB
16-Bit Audio Stereo Analog-to-Digital Converter (ADC) with SNR 90 dB
16-Bit/24-Bit I²S Digital Audio:
- 8 kHz, 16 kHz, 44.1 kHz and 48 kHz sampling frequency for SBC and AAC

Successive Approximation Register Analog-to-Digital Converter (SAR ADC) with Dedicated Channels:
- Battery voltage detection and adapter voltage detection
- Charger thermal protection and ambient temperature detection
UART (With Hardware Flow Control)
USB (Full-Speed USB 1.1 Interface)
Inter-Integrated Circuit (I²C) Host
One Pulse Width Modulation (PWM) Channel
Two LED Drivers
Up to 18 General Purpose Inputs/Outputs (GPIOs)
2-Wire 8051 MCU Joint Test Action Group (JTAG) Debug

Bluetooth Special Interest Group (SIG) QDID: 134083 (Class1) and 134099 (Class2)
Certified to the United States (FCC), Canada (ISED), Europe (CE), Korea (KCC), Taiwan (NCC), Japan (MIC) and Brazil (ANATEL) Radio Regulations
RoHS Compliant