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BM23 Datasheet Preview

BM23 Datasheet

Bluetooth 4.1 Stereo Audio Module

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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 mm3
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 I2S 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)
Page 1




ISSC

BM23 Datasheet Preview

BM23 Datasheet

Bluetooth 4.1 Stereo Audio Module

No Preview Available !

FIGURE 1:
General Description:
Stereo module is a fully-certified
Bluetooth® Version 4.1 (BDR/EDR) module
for designers who want to add Bluetooth®
wireless audio and voice applications to their
products.
This Bluetooth SIG certified module
provides a complete wireless solution with
Bluetooth stack, integrated antenna, and
worldwide radio certifications in a compact
surface mount package, 29x15x2.5 mm3.
This stereo module built-in Li-Ion charger
and BM23 contain a digital audio interface. It
supports HSP, HFP, SPP, A2DP, and
AVRCP profiles. Both AAC and SBC codecs
are supported for A2DP. Note that the
customer must connect their own external
analog CODEC/DSP/amplifier and MCU for
audio output.
Applications:
Bluetooth sound bar
Bluetooth stereo speaker phone
Page 2


Part Number BM23
Description Bluetooth 4.1 Stereo Audio Module
Maker ISSC
Total Page 30 Pages
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