Ebyte E15 Series User manual

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E15-USB-T2User Manual
CH340X USB to TTL adapter board

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Content
DISCLAIMER................................................................................................................................................................................................................................2
1. MODULE INTRODUCTION ...............................................................................................................................................................................................3
2. PIN DEFINITION .................................................................................................................................................................................................................... 3
3. WORKING MODE.................................................................................................................................................................................................................. 4
4. VOLTAGE SELECTION ........................................................................................................................................................................................................6
5. PARAMETER CONFIGURATION.................................................................................................................................................................................... 6
6. ABOUT US.................................................................................................................................................................................................................................7

Chengdu Ebyte Electronic Technology Co.,Ltd. E15-USB-T2Datasheet
Copyright ©2012–2022 Chengdu Ebyte Electronic Technology Co.,Ltd.
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Disclaimer
EBYTE reserves all rights to this document and the information contained herein.
Products, names, logos and designs described herein may in whole or in part be
subject to intellectual property rights. Reproduction, use, modification or disclosure to
third parties of this document or any part thereof without the express permission of
EBYTE is strictly prohibited.
The information contained herein is provided “as is” and EBYTE assumes no
liability for the use of the information. No warranty, either express or implied, is given,
including but not limited, with respect to the accuracy, correctness, reliability and
fitness for a particular purpose of the information. This document may be revised by
EBYTE at any time. For most recent documents, visit www.ebyte.com.

Chengdu Ebyte Electronic Technology Co.,Ltd. E15-USB-T2Datasheet
Copyright ©2012–2022 Chengdu Ebyte Electronic Technology Co.,Ltd.
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1. Module Introduction
E15-USB-T2is a USB to UART interface conversion module based on
CH340X chip solution developed by Chengdu Yibai Special Electronics
Technology, mainly for our E22~E70 series wireless communication module
embedded applications, and is equipped with ESD protection, support a
variety of systems and a variety of baud rates, and the module is generally
used to connect with the MCU. Module provides UART (TTL level)
interface, this transparent transmission interface is greatly convenient for
customers to use.
1. with the serial debugging assistant on the computer side can directly
test the wireless serial communication.
2. with the parameter setting software software can be very convenient to configure the module parameters..
2. Pin Definition

Chengdu Ebyte Electronic Technology Co.,Ltd. E15-USB-T2Datasheet
Copyright ©2012–2022 Chengdu Ebyte Electronic Technology Co.,Ltd.
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3. Working mode
According to the characteristics of the product used to customize the working mode of the control module, the
following is an example of the four working modes of the E22 series products, explained by the pin M0, M1 settings,
detailed instructions are shown below.
Figure 1: Mode 0
Figure2: Mode1

Chengdu Ebyte Electronic Technology Co.,Ltd. E15-USB-T2Datasheet
Copyright ©2012–2022 Chengdu Ebyte Electronic Technology Co.,Ltd.
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Figure3: Mode2
Figure4: Mode3

Chengdu Ebyte Electronic Technology Co.,Ltd. E15-USB-T2Datasheet
Copyright ©2012–2022 Chengdu Ebyte Electronic Technology Co.,Ltd.
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4. Voltage Selection
5. Parameter Configuration
Steps
Operation
Detailed description
1
Install the
driver
Please install the USB adapter driver (CH340X) in the package first.
2
Unplug the
jumper
Unplug the jumper caps at M0 and M1 on the USB adapter board as
shown below; choose either 3.3V or 5V for the power jumper caps.
3
Connect the
module
Insert the module into the 7PIN holder of the adapter board with the
antenna end outward; then plug the adapter board into the USB port of
the computer.
4
Open the
serial port
Open our parameter configuration software, select the corresponding
serial port number and click "Open serial port".
5
Enter the
interface
Click "Read module parameters", the interface is shown below.
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Write
parameters
If the reading fails, please check whether the module is in mode 3, or
whether the adapter driver has been installed.
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Complete
the
operation
If you need to change the corresponding configuration, please adjust the
parameters to be modified; click "Write" button to write the new
parameters to the module.
8
Command
configuratio
n
If you need to reconfigure the module, please click "Step 5"; if the
configuration is finished, please click "Close Serial Port" and then
remove the module.

Chengdu Ebyte Electronic Technology Co.,Ltd. E15-USB-T2Datasheet
Copyright ©2012–2022 Chengdu Ebyte Electronic Technology Co.,Ltd.
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6. About us
Technical support: supp[email protected]
Documents and RF Setting download link:：https://www.cdebyte.com
Thank you for using Ebyte products! Please contact us with any questions or suggestions: [e-mail]
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