BM83 datasheet(3/76 Pages) MICROCHIP

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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

BM83

Datasheet

DS70005402C-page 3

BM83 Datasheet(PDF) 3 Page - Microchip Technology