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detail-heading">

BM20/23

微芯

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0.00
元
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概述

The BM20/23 stereo audio module is a Bluetooth v5.0 (BDR/EDR) audio module for designers to add wireless audioThe BM20/23 stereo audio module is a Bluetooth v5.0 (BDR/EDR) audio module for designers to add wireless audioand voice applications to their products. This Bluetooth SIG-certified module provides a complete wireless solutionwith Bluetooth stack, integrated antenna, and worldwide radio certifications in a compact surface mount package.This stereo module contains a built-in Li-Ion charger and a digital audio interface (BM23). It supports HSP, HFP, SPP,A2DP, and AVRCP profiles. Both AAC and SBC Codecs are supported for A2DP.
Note: The customers must connect their own external analog Codec/DSP/amplifier and MCU for audio output.
Audio processor:
• Support 64 Kbps A-Law, μ-Law PCM format/Continuous Variable Slope Delta Modulation (CVSD) for SCO
• Support 64 Kbps A-Law, μ-Law PCM format/Continuous Variable Slope Delta Modulation (CVSD) for SCOChannel Operation
• Noise Reduction (NR) and Acoustic Echo Cancellation (ACE)
• Sub-Band Coding (SBC) and Optional Advanced Audio Coding (AAC) Decoding
• Packet Loss Concealment (PLC)
• Four Languages (Chinese/ English/ Spanish/ French) Voice Prompts Support (20 events for each language)using the IS20XXS_UI tool
• Serial Copy Management System (SCMS-T) Content Protection
 
Mic in:
BM20:2个
BM23:1个
 
Analog Audio Out
BM20:没有
BM23:有
Digital Audio Out
BM20:有
BM23:没有
 
 
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特性

Bluetooth Classic (BDR/EDR)
Embedded Bluetooth stack
SBC, ACC Codecs
Stereo analog output, one stereo analog microphone, aux input
UART, two LEDs, GPIOs
Built-in voice prompts
Transparent UART mode for seamless serial data over UART interface
Easy to configure with Windows GUI or directly via an MCU
Compact surface mount module: 29 x 15 x 2.5 mm
Castellated surface mount pads for easy and reliable host PCB mounting
RoHS compliant
Worldwide RF regulatory certifications
PCB Antenna
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特性

__
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方框图

__
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应用说明

• Bluetooth Sound Bar • Bluetooth Stereo •Speaker Phone
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开发板

__
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内核

-
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CPU时钟频率

__
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CPU构造

__
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CPU特性

__
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蓝牙版本

5
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频率

__
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Flash (kB)

__
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缓存

-
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SRAM (kB)

__
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EEPROM (kB)

__
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调试

__
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升级方式

Manual
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晶振

no
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PLL时钟

no
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可选晶振

no
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RC时钟

no
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外部时钟

no
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时钟 [数量, 位]

no
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实时时钟

no
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看门狗计数器

no
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GPIO

12
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针脚

BM20:40/BM23:43
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针距

__
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通道

__
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ADC [数量, 位]

16-bit ADC Codec
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真随机数发生机器

__
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模拟组件

no
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低功耗组件

no
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温度传感器

no
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NFC标签

__
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SPI

__
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DAC [数量, 位]

20-Bit DAC;98 dB Signal-to-Noise ratio (SNR) DAC Playback
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UART

1
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同步串行接口

__
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PWM [数量, 位]

No
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I2C

__
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TWI

no
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QDEC

-
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PDM

-
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USB

no
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SPI

no
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Quad SPI

-
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I2S

no
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调试界面

-
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人机界面

-
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可编程通道

__
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固定通道

__
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通道组

__
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电压 [最小~最大] (V)

3.0V~ 4.2V
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no
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VBUS

no
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可调供电输出

-
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电源失效

no
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加密加速计

__
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公钥硬件加速器

__
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加速器

__
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安全

128-bit AES
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__
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电流

__
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传感器控制器

__
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待机

__
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兼容标准

Qualified for Bluetooth v5.0 Specification – HFP v1.6, HSP v1.1, A2DP v1.2, AVRCP v1.5, SPP v1.0, PBAP v1.0 – Bluetooth Classic, Basic Rate/Enhanced Data Rate (BDR/EDR)
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接收器灵敏度

-91 dB (π/4 DQPSK)
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输出功率

+4 dBm (maximum) for Class 2
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射频规范

__
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协议

__
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蓝牙5性能

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 508
detail-adm">

蓝牙5.1支持

-
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 512
detail-adm">

尺寸

29 x 15 x 2.5 mm
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 516
detail-adm">

封装型式

Surface mount module
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 520
detail-adm">

DSP RAM

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 524
detail-adm">

DSP时钟速度

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 528
detail-adm">

DSP时钟速度

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 532
detail-adm">

音频控制

立体声
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 536
detail-adm">

概要

__
/var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 541
detail-links">


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    /var/www/html/components/com_fabrik/views/details/tmpl/bootstrap_chip_view/default.php on line 548
    detail-facilities info-right">