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BM20 Datasheet(PDF) 1 Page - Microchip Technology

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

BM20 Datasheet(HTML) 1 Page - Microchip Technology

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 2015 Microchip Technology Inc.
Page 1
Preliminary Edition
BM20/BM23
Bluetooth® 4.1 Stereo Audio Module
Features:
Complete, Fully Certified, Embedded
2.4 GHz Bluetooth® Version 4.1
Module
 Bluetooth Classic (BDR/EDR)
 Bluetooth SIG Certified
 Onboard embedded Bluetooth Stack
 Transparent UART mode for seamless serial
data over UART interface
 Easy to configure with Windows GUI or direct
by MCU
 Firmware can be field upgradable via UART
 Compact surface mount module: 29 x 15 x
2.5 mm
3
 Castellated surface mount pads for easy
and reliable host PCB mounting
 Environmentally friendly, RoHS compliant
 Perfect for Portable Battery Operated
Devices
 Internal Battery Regulator Circuitry
 Worldwide regulatory certifications
 Audio-In / Out
BM23 support digital audio I
2S format.
BM20 support analog audio output.
Operational:
 Operating voltage: 3.0V to 4.2V
 Temperature range: ‐20C to 70°C
 Simple, UART interface
 Integrated crystal, internal voltage
regulator, and matching circuitry
 Multiple I/O pins for control and status
RF/Analog:
 Frequency: 2.402 to 2.480 GHz
 Receive Sensitivity: ‐91 dBm (2Mbps EDR)
 Power Output: class 2 / +4dBm max.
 Connection Distance: >10m
(free space and no interference)
Audio processor
 Support 64 kb/s A-Law or
-Law PCM format, or
CVSD (Continuous Variable Slope Delta
Modulation) for SCO channel operation.
 Noise suppression
 Echo suppression
 SBC and optional AAC decoding
 Packet loss concealment
 Build-in four languages (Chinese/ English/
Spanish/ French) voice prompts and 20 events for each
one (This function can be set up in “IS20XXS_UI” tool.)
 Support SCMS-T
Audio Codec
 20 bit DAC and 16 bit ADC codec
 98dB SNR DAC playback
Peripherals
 Built-in Lithium-ion battery charger (up to 350mA)
 Integrate 3V, 1.8V configurable switching regulator and
LDO
 Built-in ADC for battery monitor and voltage sense.
 A line-in port for external audio input
Two LED drivers
Flexible HCI interface
 High speed HCI-UART (Universal Asynchronous
Receiver Transmitter) interface (up to 921600bps)
MAC/Baseband/Higher Layer:
 Secure AES128 encryption
 Bluetooth profiles
- HFP v1.6
- HSP v1.1
- A2DP v1.2
- AVRCP v1.5
- SPP v1.0
- PBAP v1.0
Antenna:
 Printed Antenna
Compliance:
 Bluetooth SIG QDID: 58996
 Module certified for the United States (FCC) and
Canada (IC), European Economic Area (CE),
Korea (LTA), Taiwan (NCC) and Japan (MIC)


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