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Chengdu Ebyte Electronic Technology Co.,Ltd

E104-BT30 User Manual

Copyright ©2012–2019

Chengdu Ebyte Electronic Technology Co.,Ltd

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1. Overview

1.1 Brief introduction

E104-BT30 is a multifunctional and cost-effective module developed by our

company for audio Bluetooth transmission. The main control uses the CSRA64215
chip of CSR to provide the module with high-quality sound and compatibility. The
Bluetooth module uses a driver-free method. Users only need to connect the module
to the application product to quickly achieve high-quality Bluetooth audio
transmission and enjoy wireless music. And the module supports APTX, APTXLL,
ACC and other high-quality sound effects.

1.2 Features

Bluetooth V4.2+EDR standard specifications

Support TWS

Automatic reconnection

MIC input

APTX

ACC

Aptx Low latency

AVRCP 1.5

A2DP 1.3

HFP 1.5

CSR latest sixth-generation CVC enhancement technology implements noise reduction and echo cancellation

PCB antenna, the maximum communication distance is 50 meters in open air

Battery level display

1.3 Application

High-quality wireless stereo headphones;

High-fidelity speaker and sound;

Bluetooth car audio&video;

Bluetooth speaker calling.

2. Specification and parameter

Summary of Contents for E104-BT30

Page 1: ...E104 BT30 User Manual CSRA64215 Wireless Audio Module...

Page 2: ...parameter 2 2 1 Electrical performance parameters 3 2 2 Size and pin definition 4 3 Quick start 6 4 Hardware circuit design and requirements 7 4 1 Hard design 7 4 2 Recommended application circuit 8 5...

Page 3: ...n product to quickly achieve high quality Bluetooth audio transmission and enjoy wireless music And the module supports APTX APTXLL ACC and other high quality sound effects 1 2 Features Bluetooth V4 2...

Page 4: ...tooth protocol standard frequency band Powe r consu mptio n Not connected current mA 0 5 8 Bluetooth is discoverable Connected unplayed current mA 10 14 Bluetooth is connected but no music is playing...

Page 5: ...g load pin 4 PIO16 I O Module audio output indication pin high level is effective 5 PIO3 I O SPI MISO debug load pin 6 SPI PCM I SPI PCM input selection 0 PCM PIO interface 1 SPI 7 PIO2 I O SPI MOSI d...

Page 6: ...ous song Key input high level is effective 28 VDD PADS 1 P Input and output port power supply 1 usually 1 8V power supply connection 29 1V8 SMPS P Module 1 8V power output external decoupling capacito...

Page 7: ...ect AUX_OUT output power Connect the 3 5mm headphones here Power amplifier circuit If the user has a 3W speaker you can directly connect the two terminals of the power amplifier circuit Key control ci...

Page 8: ...on the blue light flashes quickly after pressing both buttons simultaneously for 2 seconds Enter slave mode PLAY button NEXT button the blue light flashes quickly after pressing both buttons simultane...

Page 9: ...mance It is recommended to keep them away from the module according to the strength of the interference If necessary appropriate isolation and shielding can be done Assume that there are traces with l...

Page 10: ...eflow Soldering Temperature Profile Feature Curve feature Sn Pb Assembly Pb Free Assembly Solder Paste Solder paste Sn63 Pb37 Sn96 5 Ag3 Cu0 5 Preheat Temperature min Tsmin Minimum preheating temperat...

Page 11: ...tance Size Package Interface Hz m mm E104 BT30 V1 0 CSRA64215 2 402 2 485G 50 25 16 2 0 SMD Stereo R L 8 Disclaimer This manual is as comprehensive and detailed as possible based on the existing mater...

Page 12: ...vision history Version Date Description Issued by 1 0 2019 10 22 Initial version 1 1 2019 10 29 Format adjustment Ren 1 2 2020 03 23 Ren 10 About us Sales hotline 4000 330 990 Tel 028 61399028 Support...

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