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BES2000IZ双边通话(TWS)
【简述】:

蓝牙型号:BES2000IZ

蓝牙版本:4.2

芯片尺寸:4.5*5.9mm

芯片封装:BGA

【系列】:BES/WT


BES2000IZ芯片简介


  高清双耳通话TWS耳机---BES2000IZ2


o 功能简介

– 支持双耳通话(两路下行speaker, mic单路)

– A2DP: SBC, AAC

– HFP: MSBC 

– 左右耳配对按键操作(可出厂预置)

– 左右耳 可以分别连接不同的手机

– 平均功耗:15Ma

参考样机 JBL FREE X(不是JBL FREE),Crazybaby NANO


Perfect call 通话TWS耳机---BES2000IZ2

o 功能简介
– 双MIC降噪
– 支持双耳通话(两路下行speaker, mic单路)
– 支持主从mic切换(在通话 过程中可以通过按键或者IR检测,200ms内
实现无卡顿切换)
– A2DP: SBC, AAC
– HFP: MSBC 
– 左右耳配对按键操作(可出厂预置)
– 左右耳 可以分别连接不同的手机
– 平均功耗:15Ma
参考样机 华为 Freebuds,出门问问 Ticpods


智能动态主动切换TWS—BES2000IZ

o 功能简介
– 支持双耳通话,双MIC降噪
– A2DP: SBC, AAC;HFP: MSBC 
– 支持耳 机在出入充电盒的主从切换
– 支持耳 机在佩戴时的主从切换
– 支持耳机在通话时的Mic切换(200Ms),以及主从切换
– 平均功耗:15Ma
参考样机 华为 Freebuds 
PS:提供充 电盒硬件参考设计,及耳机内IR/Sensor的参考设计


            1 GENERAL   DESCRIPTION

BES2000-IZ is a highly integrated single chip with Bluetooth 2.1+4.2 dual mode and high performance Cortex-M4F for

audio and voice application. It is also optimized for FWS (Fully Wireless Stereo) application, which is BES’s stereo

connection technology between primary and secondary Voice Box.

BES2000-IZ minimizes the external components and BOM cost by highly integrating USB 2.0 FS Device, high performance

audio codec and Cap-less headphone driver. It also integrates serial Flash and powerful Cortex-M4F MCU to support

various software features and product customization. BES2000-IZ is manufactured with advanced 40nm low power CMOS

process and assembled with a 4.5*5.9mm 74-ball BGA package. 


1.1 FEATURES


CMOS Single-chip Fully-integrated PMU, BB,

Audio CODEC and Cortex-M4F CPU

Bluetooth 2.1+EDR and BLE4.2 specification

Up to 400MHz ARM Cortex-M4F Processor

4MB Serial Flash On-chip for Custom Program

Cortex-M4F with On-chip Boot-ROM and RAM

Security Boot to Protect Custom IP

3.1V-5.5V Input for VBAT 

Internal LPO for Low Power Mode.

DCXO with Internal Oscillator Circuit

Support FWS

Dual MICs Noise Reduction 

Echo Cancellation

USB 2.0 FS device

USB Type C Audio

Voice Recognition 

Multi-band EQ and Bass enhancement


Immersive audio with 3D or virtual surround

sound

Support Active Crossover

Crossover filter: DSP Adjustable

Active Crossover Two-way application:

Sports Bluetooth & FWS Bluetooth 

Support Talk through 

Support Temperature Sensor

Support Class H

24-bit Audio Processing

Support up to 96k x 24bit/192k x 16bit USB

Audio Playback 

HiFi Stereo Audio DAC:

120dB SNR

110dB DNR 

Supports Rates From 8 KHz to 384 KHz 

HiFi Stereo Audio ADC: 





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