Features

• Qualified for Bluetooth v5.0 Specification:

– HFP 1.7, 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 3 devices)

• Multi-Speaker (MSPK) Solution:

– Microchip's proprietary solution to connect a master speaker to one or more slave 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 Master 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)

DSP Voice and Audio Processing

• 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

Audio Codec

• 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

Peripherals

• 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™) Master

• 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

Operating Conditions

• Operating Voltage: 3.2V to 4.2V

• Operating Temperature: –40°C to +85°C

Compliance

• 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), and Japan

(MIC) Radio Regulations

• RoHS Compliant

Applications

• Portable Speaker

• Multiple Speakers

• Headphones