BM83 datasheet(9/76 Pages) MICROCHIP

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Device Overview

The BM83 stereo audio module is built around the IS2083BM SoC, which integrates the dual-mode baseband,

modem, radio transceiver, PMU, MCU, crystal, and a DSP dedicated for audio and voice applications. Users can

configure the BM83 module by using the SDK or the IS208x_Config_GUI_Tool (Config Tool).

There are two modes of operation:

• Host mode:

– Interfaces with an external MCU over UART for application specific system control

– The MSPK solution and AT solution can reside on the external MCU

• Embedded mode:

– No external MCU involved

– BM83 acts as an MCU to control all peripherals to provide various speaker features

– Integrates the MSPK and AT solution on the module

Simple system control can be implemented using the SDK. DSP parameters such as equalizer settings can be set

using the Config Tool.

Note: The SDK and Config Tool are available for download at: www.microchip.com/BM83.

The following figure illustrates the Embedded mode and Host mode of the BM83 module.

Figure 2-1. BM83 Module Application Modes

Embedded Mode

Microphone

Line-In

Smartphone

Battery

DC Adapter

BM83

Host Mode

Microphone

Line-In

Smartphone

Battery

DC Adapter

BM83

Host

MCU

External

DSP/Audio

Amplifier

UART

MCLK

I2S

I2C

External

DSP/Audio

Amplifier

MCLK

BM83

Device Overview

Datasheet

DS70005402C-page 9

BM83 Datasheet(PDF) 9 Page - Microchip Technology

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