Features

  • Qualified for Bluetooth v5.0 specification
    • 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
    • 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
  • Software Development Kit
    • 8051 microcontroller debugging
    • 24-bit program counter and Data Pointer modes
  • Multi-Speaker (MSPK) solution
    • Microchip's proprietary solution to connect a central speaker to one or more peripheral speakers
    • With MSPK firmware, the IS2083 can provide Concert mode and Stereo mode
  • Audio Transceiver (AT) solution
    • With AT firmware, the IS2083 can work as either an A2DP source (where IS2083 is the transmitter) or A2DP/HFP sink (where IS2083 is a receiver)
  • Audio Interfaces
    • Stereo line input
    • Two analog microphones
    • One stereo digital microphone
    • Stereo audio Digital-to-Analog Converter (DAC)
    • I2S input/output
    • I2S Primary 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)
  • Integrated 3V and 1.8V configurable switching regulator and Low-Dropout (LDO)

Radio Frequency (RF)/Analog

  • Bluetooth 5.0 dual mode RF radio
  • Receive sensitivity: -90 dBm (2 Mbps EDR)
  • Programmable transmit output power:
    • Up to +11 dBm (typical) for Basic Data Rate (BDR)
    • Up to +9.5 dBm (typical) for Enhanced Data Rate (EDR)
  • Integrated Medium Power Amplifier (MPA) and Low Power Amplifier (LPA)

MCU Features

  • 8051 8-bit core
  • 8-bit data
  • 24-bit program counter (PC24) mode
  • 24-bit data pointer (DPTR24) mode
  • Operating speed:
    • DC – 48 MHz clock input
    • 0.33-1 MIPS/MHz, depending on instruction

DSP Voice and Audio Processing

  • 16/32-bit DSP core with enhanced 32-bit precision, single cycle multiplier
  • Synchronous Connection-Oriented (SCO) channel operation
  • Modified Sub-Band Coding (mSBC) decoder for wideband speech
  • Built-in High-definition Clean Audio (HCA) algorithms for both narrowband and wideband speech processing
  • Built-in audio effect algorithms to enhance audio streaming
  • 64 Kbps A-Law, μ-Law Pulse Code Modulation (PCM) or Continuous Variable Slope Delta (CVSD) modulation for SCO channel operation
  • 8/16 kHz Noise Reduction (NR)
  • 8/16 kHz Acoustic Echo Cancellation (AEC)
  • Packet Loss Concealment (PLC) for SBC and mSBC codecs only

Audio Codec

  • Sub-band Codec (SBC), Advanced Audio Codec (AAC) and LDAC Decoding (IS2083BM-2L2 only)
  • 20-bit audio stereo DAC with SNR 95 dB
  • 16-bit audio stereo ADC with SNR 90 dB
  • 24-bit, I2S digital audio:
    • 96 kHz output sampling frequency
    • 48 kHz input sampling frequency

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)
  • I2C™ Host
  • One Pulse Width Modulation (PWM) channel
  • Two LED drivers
  • Up to 19 General Purpose Inputs/Outputs (GPIOs)

8051 MCU Debug Features

  • Two-wire 8051 MCU Joint Test Action Group (JTAG) debug
  • CPU registers to write Flash for software downloading
  • Debug features supported
    • Run/Stop control
    • Single Step mode
    • Software breakpoint
    • Debug program
    • Hardware breakpoint
    • Program trace
    • Access to ACC

Operating Condition

  • Operating voltage: 3.2V to 4.2V
  • Operating temperature: -40ºC to +85ºC

Applications

  • Portable speakers
  • Multiple speakers
  • Headphones
  • Bluetooth audio transmitter

Compliance

  • Bluetooth Special Interest Group (SIG) QDID: 134083 (Class1) and 134099 (Class2)