Ebyte E32 Series User Manual
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SX1278 Wireless Module
E32 Series
User Manual
This manual may be modified based on product upgrade, please refer to the latest version.
All rights to interpret and modify this manual belong to Chengdu Ebyte Electronic Technology Co., Ltd.
Version
Date
Description
Issued by
1.00
2017/11/10
Initial version
huaa
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Table of Contents
Related Manuals for Ebyte E32 Series
Summary of Contents for Ebyte E32 Series
- Page 1 SX1278 Wireless Module E32 Series User Manual This manual may be modified based on product upgrade, please refer to the latest version. All rights to interpret and modify this manual belong to Chengdu Ebyte Electronic Technology Co., Ltd. Version Date Description Issued by 1.00...
- Page 2 E32 Series User Manual Brief Introduction E32 series are wireless transceiver modules, operate at 410-441MHz (Default: 433MHz), based on originally imported RFIC SX1278 from SEMTECH, transparent transmission is available, TTL level. The module has the function of data encryption & compression. The data of the module transmitted over the air features randomness.
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Page 3: Table Of Contents
8.1 Reflow soldering temperature................................... 23 8.2 Reflow soldering curve....................................23 FAQ......................................24 9.1 Communication range is too short ................................24 9.2 Module is easy to damage ..................................24 Important notes................................24 About us....................................24 Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 3 / 24... -
Page 4: Features
As free frequency, 433M can be used directly. With the capability of penetration and diffraction, this module is suitable for the environment with small packet, long transmission distance and vulnerable to interference. Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 4 / 24... -
Page 5: Technical Parameters
E32-TTL-500 ● The current at pure receiving mode will be mA level, the users have to realize µA level receiving current through E32-TTL-1W firmware development. E32-433T30S 5 / 24 Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 6: Turn-Off Current
E32-TTL-1W 29.5 30.0 30.5 various reasons; ● The transmitting power will be lowered by lowering the E32-433T30S 29.5 30.0 30.5 power supply voltage. 6 / 24 Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 7: Receiving Sensitivity
E32-TTL-1W 7200 8000 8800 electromagnetic interference at suburb areas； ● Distance may be shorter with interference or obstacles. E32-433T30S 7200 8000 8800 7 / 24 Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 8: Mechanical Characteristics
Can be configured as open-drain output or push-pull output Floating is allowed Voltage reference of module Input Power supply 2.3V ~ 5.5V DC Input Ground Fixing hole Fixing hole Fixing hole Fixing hole Fixing hole Fixing hole Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 8 / 24... -
Page 9: E32-Ttl-100S1
Voltage reference of module Input Power supply 2.3V ~ 5.5V DC Input Ground Output Reference places of high frequency signal output Output Antenna interface（ high frequency signal output） Input Ground Ground Input Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 9 / 24... -
Page 10: E32-T100S2
Voltage reference of module Input Power supply 2.3V ~ 5.5V DC Input Ground Output Antenna interface（ high frequency signal output） Output Reference places of high frequency signal output Input Ground Input Ground Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 10 / 24... -
Page 11: E32-Ttl-500/ E32-Ttl-1W
Voltage reference of module Input Power supply 2.8V ~ 5.5V DC Input Ground Fixing Fixing hole hole Fixing Fixing hole hole Fixing Fixing hole hole Fixing Fixing hole hole 11 / 24 Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. -
Page 12: E32-433T30S
NC pin，need to be floating，not connected（for further development） Input Output NC pin，need to be floating，not connected（for further development） Ground Ground Ground Output Antenna connector(high level output, 50 characteristic impedance) Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 12 / 24... -
Page 13: Recommended Circuit Diagram
UART, or whether the module is still in the process of self-check initialization. 4.2.1 Indication of UART output can be used to wake up external MCU Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 13 / 24... -
Page 14: Indication Of Wireless Transmitting
When the user switches to other operating modes from mode 3 (sleep mode) or it’s still in reset process, the module will reset user parameters, during which AUX outputs low level. Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 14 / 24... -
Page 15: Operating Mode
This operation is very flexible and efficient. It is totally designed on the basis of the user MCU’s convenience, at the same time the work load and power consumption of the whole system have been reduced and the efficiency of whole system is largely improved. Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 15 / 24... -
Page 16: Normal Mode (Mode 0)
By setting different wake-up time, the module will have different receiving response delay (2s in maximum) and average power consumption (30uA in minimum). The user needs to achieve a balance between communication delay time & average power consumption. Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 16 / 24... -
Page 17: Sleep Mode (Mode 3)
USB test board (M1 = 0，M0 = 0), make the module work in mode 0. Optional power supply, 3.3V or 5V. Operate AccessPort software and select the correct serial port code. Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 17 / 24... -
Page 18: Instruction Format
0x17 2.4kbps 9600 Default parameter values：C0 00 00 1A 17 44 Transmitting Model Frequency Address Channel Air data rate Baud rate Parity power E32-433T30S 433MHz 0x0000 0x17 2.4kbps 9600 Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 18 / 24... -
Page 19: Reading Operating Parameters
User gives the module instruction (HEX format): C3 C3 C3, C3+C3+C3 Module returns its present version number, for example C3 32 xx yy. 32 here means the module model (E32 series); xx is the version number and yy refers to the other module features. 6.4 Reset instruction... - Page 20 It also increases the level’s adaptability in 1：TXD and AUX push-pull outputs, case of open drain. But in some cases, it may need RXD pull-up inputs external pull-up resistor. 0：TXD、AUX open-collector outputs, RXD open-collector inputs Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 20 / 24...
- Page 21 For example: The meaning of No.3 "SPED" byte： The binary bit of the byte Configures by user Meaning UART parity bit 8N1 UART baud rate is 9600 Air data rate is 2.4k Corresponding hexadecimal Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 21 / 24...
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Page 22: Parameter Setting
Complete the oper if the configuration is completed, ation please click "ClosePort" and then take off the module. Commands Parameter configuration is also available for MCU (in mode 3). Configuration Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 22 / 24... -
Page 23: Production Guidance
30-90 sec Peak temperature（Tp） 220-235℃ 230-250℃ Average ramp-down rate（Tp to Tsmax） 6℃/second max 6℃/second max Time 25℃ to peak temperature 6 minutes max 8 minutes max 8.2 Reflow soldering curve Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd. 23 / 24... -
Page 24: Faq
Please avoid using modules under too high or too low temperature. Important notes All rights to interpret and modify this manual belong to Ebyte. This manual will be updated based on the upgrade of firmware and hardware, please refer to the latest version.