Ebyte E70-915T14S User Manuel Download Page 27

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Chengdu Ebyte Electronic Technology Co,;Ltd E70-915T14S user manual

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Chengdu Ebyte Electronic Technology Co,;Ltd 26

14. Antenna Guidance

14.1 Antenna recommendation

The antenna is an important role in the communication process. A good antenna can largely improve the

communication system. Therefore, we recommend some antennas for wireless modules with excellent performance and
reasonable price.

Model No.

Type

Frequency

Interface

Gain

dBi

Height

Cable

Function feature

TX915-XP-100

Sucker Antenna

915M

SM A-J

3.5

25cm

100cm

Sucker antenna, High gain

TX915-JK-20

Rubber antenna

915M

SM A-J

210mm

Flexible &omnidirectional

TX915-JK-11

Rubber antenna

915M

SM A-J

2.5

110mm

Flexible &omnidirectional

TX915-JZ-5

Rubber antenna

915M

SM A-J

50mm

Short straight &omnidirectional

15.Package for batch order

Summary of Contents for E70-915T14S

Page 1: ...E70 915T14S User Manuel CC1310 915MHz SMD Wireless Module ...

Page 2: ...1 6 1 MODE SWITCH 11 6 2 RSSI MODE MODE 0 12 6 3 CONTINUOUS MODE MODE 1 13 6 4 SUB PACKAGE MODE MODE 2 13 6 5 CONFIGURATION MODE MODE 3 14 6 6 WAKE UP MODE MODE 4 14 6 7 CONFIGURATION MODE MODE 5 14 6 8 POWER SAVING MODE MODE 6 15 6 9 SLEEP MODE MODE 7 15 7 INSTRUCTION FORMAT 15 7 1 DEFAULT PARAMETER 16 7 2 READING OPERATING PARAMETERS 16 7 3 READING VERSION NUMBER 16 7 4 RESET INSTRUCTION 17 7 5 ...

Page 3: ...c Technology Co Ltd E70 915T14S user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 2 14 ANTENNA GUIDANCE 26 14 1 ANTENNA RECOMMENDATION 26 15 PACKAGE FOR BATCH ORDER 26 REVISION HISTORY 27 ABOUT US 27 ...

Page 4: ... low power multifunctional wireless serial program users can also according to the need for secondary development 1 2 Features Communication distance tested is up to 1 5km Maximum transmission power of 25mW software multi level adjustable Support the global license free ISM 915MHz band Support air date rate of 2 5kbps 168kbps Low power consumption for battery supplied applications Can achieve up t...

Page 5: ...at risk of burning down Operating temperature 40 85 Industrial design Operating frequency MHz 907 922 5 Support ISM band Power consumption Transmitting current mA 27 Instant power consumption Receiving current mA 8 Turn off current μA 1 Software is shut down Max Tx power dBm 13 6 14 0 15 3 Receiving sensitivity dBm 109 110 111 Air data rate is 5kbps Air data rate bps 2 5k 2 5k 168k Controlled via ...

Page 6: ...0Ω characteristic impedance 3 NC Reserved pin Reserved to be floated 4 NC Reserved pin Reserved to be floated 5 NC Reserved pin Reserved to be floated 6 LNA_EN Output Internal MCU controlled LNA pin valid in high level connect to pin 44 7 PA_EN Output Internal MCU controlled PA pin valid in high level connect to pin 45 8 NC Reserved pin Reserved to be floated 9 NC Reserved pin Reserved to be float...

Page 7: ...in or high pull input please refer to Parameter setting An external 1k protectiveresistor shall be connected in series when in use 20 TXD Output TTLserial port output connectingto external RXD input pin It can be configured as open drain or push pullinput pleaserefer to Parameter setting An external 1k protective resistor shall be connected in series when in use 21 TMSC Input JTAG TMSC 22 TCKC Inp...

Page 8: ...pin Reserved to be floated 40 NC Reserved pin Reserved to be floated 41 GND Ground Ground electrode 42 GND Ground Ground electrode This product can achieve Pin compatibility Pin to Pin replacement The single chip microcomputer control PA LNA truth value table is as follows PA_EN LNA_EN Transmitting 1 0 Receiving 0 1 Sleeping 0 0 4 Connect to MCU No Description STM8L MCU 1 The UART module is TTL le...

Page 9: ...lectronic Technology Co Ltd E70 915T14S user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 8 5 Function description 5 1 Fixed transmission 5 2 Broadcasting transmission 5 3 Broadcasting address ...

Page 10: ...s realized 5 5 Reset When the module is powered AUX outputs low level immediately conducts hardware self check and sets the operating mode based on user s parameters During the process the AUX remains low level After the process completed the AUX outputs high level and starts to work as per the operating mode combined by M1 an d M0 Therefore users need to wait the AUX rising edge as the start of m...

Page 11: ...without overflow Buffer not empty when AUX 0 the internal 1024 bytes data in the buffer have not been written to the RFIC completely If the user starts to transmit data at this circumstance it may cause overtime when the module is waiting for the userdata or transmitting wireless sub package When AUX 1 it does not mean that all the UART data of the module have been transmitted already perhaps the ...

Page 12: ... and sub package transparent transmission is available Receiving is not available under this mode Preamble code will be added proactively before transmission to wake up the receiver under mode 6 5 Configuration mode Same as Mode3 1 0 1 6 Power saving mode 1 1 0 UART closes Wireless works at WOR power saving mode Multiple time grades can be configured Transmission is not available under this mode I...

Page 13: ...sion go dormancy 1ms later automatically which reduces MCU working time save power Likewise this feature can be used in any mode switch The module will start to work in new mode within 1ms after completing present mode task which enables the userto omit the procedure ofAUX inquiry and switch mode swiftly For example when switching from transmitting mode to receiving mode the user MCU can go dorman...

Page 14: ... 3 The addresses and baud rates must be same on both receiver and transmitter 4 In continuous mode both transmitter and receiver must be same model For example E70 868T14S and E70 868T30S cannot communicate in continuous mode 6 4 Sub package Mode Mode 2 Status M0 0 M1 1 M2 0 Transmitting Wireless data transmission is available Receiving Wireless data receiving is available Baud rate air data rate ...

Page 15: ... 1 Transmitting Transmission is available Receiving Receiving is not available Baud rate air data rate Under this mode the baud rate and air data rate are independent both receiver and transmitter can have different baud rate but same air data rate Advantage It can wake up the receiver under mode 6 wake up code will be added automatically before transmitting the code number depends on the wake up ...

Page 16: ...tage The module works under WOR status it wakes up periodically and monitors the wireless data packets when data packet monitored the module enters receiving mode and receives complete data packets and outputs the data through serial port and then enters WOR status again which can save power consumption significantly Disadvantage Transmission is not available under this mode the module must be swi...

Page 17: ...be sent in succession 5 C4 C4 C4 Three C4 are sent in hexadecimal format The module will reset one time and they must be sent in succession 7 1 Default Parameter Default parameter values C0 00 00 18 44 1C Model Frequency Address Channel Air data rate Baud rate Parity Transmitting power E70 915T14S 915MHz 0x0000 0x10 2 5K 9600 8N1 25mW 7 2 Reading Operating Parameters Instruction format Description...

Page 18: ...ot save the parameters when power down 1 ADDH High address byteof module the default 00H 00H FFH 2 ADDL Low address byteof module the default 00H 00H FFH 3 SPED 7 6 UART parity bit UART mode can be different between communication parties 0 0 8N1 Default 0 1 8O1 1 0 8E1 1 1 8N1 equal to 00 5 4 3 TTLUART baud rate bps UART baud rate can be different between communication parties The UART baud rate h...

Page 19: ...ransparent transmission mode Default 1 Fixed transmission mode 6 5 4 wireless wake up time This parameter is only valid for mode 4 6 For mode 6 the wake up time will affect the WOR cycle of the module and affect the power consumption For mode 4 thewake up time decides the number of wake up code before transmission so as to ensure the wake up the module in mode 6 Generally mode 4 and 6 shall be use...

Page 20: ...the power supply ripple is within 100mV Low power transmission is not recommended due to its low power supply efficiency 0 0 14dBm Default 0 1 10dBm 1 0 7dBm 1 1 4dBm For example The meaning of No 3 SPED byte The binary bit of the byte 7 6 5 4 3 2 1 0 The specific value configured by user 0 0 0 1 1 0 1 0 Meaning UART parity bit 8N1 UART baud rate is 9600 Air data rate is 2 4k Corresponding hexadec...

Page 21: ...escription below Meanwhile Ebyte can develop the customized software for customers Please contact us for more details Pin No Pin item Pin direction Pin application 1 16 27 41 42 GND Reference ground Ground electrode 2 ANT Antenna 50Ω characteristic impedance 3 X32K_Q1 Input Output Connect to 32 768K quartz crystalwith pin 4 4 X32K_Q2 Input Output Connect to 32 768K quartz crystalwith pin 3 5 DIO_1...

Page 22: ... 19 DIO_14 Input Output MCU GPIO 20 DIO_15 Input Output MCU GPIO 21 TMSC Input JTAG TMSC 22 TCKC Input JTAG TCKC 23 DIO_16 Input Output MCU GPIO 24 DIO_17 Input Output MCU GPIO 25 DIO_18 Input Output MCU GPIO 26 VCC Positive power reference voltage range 2 2V 3 8V DC 28 DIO_19 Input Output MCU GPIO 29 DIO_20 Input Output MCU GPIO 30 DIO_21 Input Output MCU GPIO 31 DIO_22 Input Output MCU GPIO 32 R...

Page 23: ... maximum value the module will be permanently damaged Please check the stability of the power supply the voltage can not be fluctuated frequently When designing the power supply circuit for the module it is often recommended to reserve more than 30 of the margin so the whole machine is beneficial for long term stable operation The module should be as far away as possible from the power supply tran...

Page 24: ...inside the metal case which will cause the transmission distance to be greatly weakened 11 FAQ 11 1 Communication range is too short The communication distance will be affected when obstacle exists Data lose rate will be affected by temperature humidity and co channel interference The ground will absorb and reflect wireless radio wave so the performance will be poor when testing near groun d Sea w...

Page 25: ...uality are poor or too long so the bit error rate is high 12 Production guidance 12 1 Reflow soldering temperature Profile Feature Sn Pb Assembly Pb Free Assembly Solder Paste Sn63 Pb37 Sn96 5 Ag3 Cu0 5 Preheat Temperaturemin Tsmin 100 150 Preheat temperaturemax Tsmax 150 200 Preheat Time Tsmin to Tsmax ts 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp 3 second max 3 second max Liquidous T...

Page 26: ...T14S2 CC1310 915M 14 1 5 2 5k 168k DIP 14 20 IPEX Stamp hole E70 433T14S2 CC1310 433M 14 1 5 2 5k 168k DIP 14 20 IPEX Stamp hole E70 915T14S CC1310 915M 14 1 5 2 5k 168k DIP 16 26 IPEX Stamp hole E70 868T14S CC1310 868M 14 1 5 2 5k 168k DIP 16 26 IPEX Stamp hole E70 915T30S CC1310 915M 30 6 2 5k 168k DIP 24 38 5 IPEX Stamp hole E70 868T30S CC1310 868M 30 6 2 5k 168k DIP 24 38 5 IPEX Stamp hole E70...

Page 27: ...herefore we recommend some antennas for wireless modules with excellent performance and reasonable price Model No Type Frequency Hz Interface Gain dBi Height Cable Function feature TX915 XP 100 Sucker Antenna 915M SMA J 3 5 25cm 100cm Sucker antenna High gain TX915 JK 20 Rubber antenna 915M SMA J 3 210mm Flexible omnidirectional TX915 JK 11 Rubber antenna 915M SMA J 2 5 110mm Flexible omnidirectio...

Page 28: ...ntent updating huaa 1 20 2018 05 24 Content updating Huaa 1 21 2018 07 20 Name change Huaa 1 30 2018 10 29 Moduleseparating Huaa About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyteproducts Please contact us with any questions or suggestions info cdebyte com Fax 028 64146160 ext 821 Web www ebyte com Address Innovation Center...

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