特性 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