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BM20 Datasheet(PDF) 4 Page - Microchip Technology

Part # BM20
Description  Bluetooth짰 4.1 Stereo Audio Module
PDF  46 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

BM20 Datasheet(HTML) 4 Page - Microchip Technology

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Stereo Module
 2015 Microchip Technology Inc.
Page 4
Preliminary Edition
1.0 DEVICE OVERVIEW
The stereo module series include BM20 and BM23. The chip integrates Bluetooth 4.1 radio
transceiver, PMU and DSP. Figure 1-1and 1-2 shows the application block diagram.
FIGURE 1‐1: BM20 Typical Application
The following depicts an example of BM20 module operate as an independent system or connected
to an MCU.
FIGURE 1‐2: BM23 Typical Application
The following depicts an example of BM23 module connected to an MCU, external DSP/CODEC.
MCU
EEPROM
IC
IS2020S
16M Hz
Crystal
I2C
UART
BM20
Option
Microphone
Aux_In
Audio Output
MCU
EEPROM
IC
IS2023S
16M Hz
Crystal
I2C
UART
BM23
Microphone
Aux_In
DSP
I2S



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