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BM20 Datasheet(PDF) 1 Page - Microchip Technology |
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BM20 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 46 page  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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