ebyte E104-BT30, CSRA64215 User Manual
E104-BT30 User Manual
CSRA64215 Wireless Audio Module
Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30 User Manual
CONTENTS
1. Overview
2. Specification and parameter
3. Quick start
4. Hardware circuit design and requirements
5. FAQ
6. Welding guidance
7. E104-BT30
8. Disclaimer
9. Revision history
10. About us
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1.1 Brief introduction
1.2 Features
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1.3 Application
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2.1 Electrical performance parameters
2.2 Size and pin definition
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4.1 Hard design
4.2 Recommended application circuit
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5.1 Communication range is too short
5.2 Module is easy to damage
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6.1 Reflow Soldering Temperature
6.2 Reflow Soldering Curve
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Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd 1
Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30 User Manual
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,
1. Overview
1.1 Brief introduction
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
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd 2-2
Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30 User Manual
Main parameter
Performance
Remark
Min.
Typ.
Max.
Operating voltage（V）
1.9
3.3
3.6
≥3.3V can guarantee output power
Communication level（V
）
1.8
3.3
3.6
Level is determined by VDD-PADS-1 level and
VDD-PADS-2 level
Operating temperature（℃）
-4020+85
Industrial design
Operating frequency（MHz
）
2402-2480
Support Bluetooth 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
Audio output status
current (mA)
15-18
Bluetooth is connected and playing music
Max Tx power（dBm
）
-
9
9
--
Receiving sensitivity（dBm）
-
-90.5
-92.0
BDR
Main parameter
Description
Remark
Distance for reference
50m
Clear and open area, antenna height: 2.5m, indoor communication
≥10m
Crystal frequency
26MHz
--
On-board Flash
4M
--
Package
SMD
--
Connector
1.1mm
Refer to size drawings and PCB package library for details
Size
16*25mm
Refer to size drawings for details
Antenna
PCB
50 ohm impedance
2.1 Electrical performance parameters
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd 2-3
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