原标题：真无线蓝牙耳机(TWS-M9无线对耳)

　　应用领域：便携产品
       方案类型：成品

　　方案概述

　　TWS-M9无线对耳

　　规范

　　芯片:RTL8763B

　　版本:5.0

　　概要:A2DP;AVRCP;HFP;HSP;SPP

　　防水:IPX4-IPX7(Max)

　　电池:40mAh A+级锂离子电池

　　充电时间:小于2h

　　谈话时间:3-4h

　　待机时间:80小时

　　操作距离:10 m

　　充电箱规格

　　电池类型:A+级锂离子电池

　　容量:480 mAh

　　耳机充电时间： 4-5 times

　　蓝牙5.0双模芯片：RTL8763B

　　瑞昱半导体成立于1987年，位于台湾「硅谷」的新竹科学园区，凭借当年几位年轻工程师的热情与毅力，走过艰辛的草创时期到今日具世界领导地位的专业IC设计公司，瑞昱半导体劈荆斩棘，展现旺盛的企图心与卓越的竞争力，开发出广受全球市场肯定与欢迎的高性能、高品质与高经济效益的IC解决方案。瑞昱半导体自成立以来一直保持稳定的成长，归功于瑞昱对产品/技术研发与创新的执着与努力，同时也归因于瑞昱的优良传统。

　　General Features

　　
Bluetooth 5 specification compliant

　　
Supports HFP 1.7, HSP 1.2, A2DP 1.3,AVRCP 1.6, SPP 1.2 and PBAP 1.0

　　
Single-end RF radio output with highperformance 10dBm of transmitter power and-94dBm 2M EDR receiver sensitivity

　　
Supports Bluetooth classic (BDR/EDR)

　　
Supports Bluetooth Low Energy (BLE)

　　 Generic access service

　　 Device information service

　　 Proprietary services for datacommunication

　　 Apple Notification Center Service(ANCS)

　　
Real Wireless Stereo (RWS)

　　
Supports USB type-C audio

　　
Supports iAP2

　　
Realtek’s latest RCV (Real Clear Voice) technology for narrowband and widebandvoice connection, including wind noisereduction

　　
Supports high resolution audio codec up to24bits, 192kHz audio data format

　　
Supports dual analog and digital MIC,AUX-IN, I2S digital audio, analog output

　　
Supports high speed UART, I2C, SPI and USB2.0 compatible interface

　　
Supports high resolution 12-bits multi-channel ADC

　　
Supports PWM I/O and smart LED controller

　　
Supports USB BC1.2 battery charging

　　
Smart I/O distribution scheme with MUX

　　
Built-in 8Mbits FLASH memory (RTL8763BF/RTL8763BFR)

　　
Integrated dual switch mode power regulator,linear regulators, and battery charger;charging current up to 400mA

　　
Built-in battery voltage monitoring andthermal protection scheme with externalthermal resistor

　　
SBC, AAC decoder support

　　
Package: 5x5mm2 QFN40 (RTL8763BM,RTL8763BF, RTL8763BFR), 6x6mm2QFN48 (RTL8763BS) and 8x8mm2 QFN68(RTL8763BA) with 0.4mm pitch

　　
Supports OTA and USB firmware upgrade

　　
GSM 217Hz interference block out design

　　
Low BOM cost

　　
Green (RoHS compliant and no antimony orhalogenated flame retardants)

　　
Supports PTA (Packet Traffic Arbiter) whenco-existing with Wi-Fi

　　Baseband Features

　　
40MHz main clock

　　
Supports serial flash for FW storage and parameter upgrade

　　
Adaptive Frequency Hopping (AFH)

　　
Multi-link support

　　
Supports Serial Copy Management System (SCMS-T) content protection

　　RAM and ROM Size

　　
ROM size 768KB

　　
MCU RAM size 16KB x 8 Data RAM + 8KB X 2 cache RAM

　　
DSP RAM 8KB x 22