Ebyte E70 Series, User Manual

Page 1: ...roduct 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 06...

Page 2: ...s are easily dropped The module has the function of data encryption compression The data of the module transmitted over the air features randomness And with the rigorous encryption decryption data int...

Page 3: ...Pin Definition 12 3 3 E70 433T30S E70 868T30S E70 915T30S 13 3 3 1 Dimension 13 3 3 2 Pin Definition 14 4 Recommended Circuit Diagram 16 4 1 E70 433T14S2 E70 868T14S2 E70 915T14S2 16 4 2 General Circu...

Page 4: ...4S2 E70 915T14S2 28 9 1 1 Secondary Development Dimension 28 9 1 2 The Pin Definition 28 9 2 E70 433T14S E70 868T14S E70 915T14S 29 9 2 1 Secondary Development Dimension 29 9 2 2 The Pin Definition 29...

Page 5: ...efficiency good correction performance In case of sudden interference it can correct the interfered data packets proactively so that the reliability transmission range are improved correspondingly Wit...

Page 6: ...14S CC1310 16 26 mm 1 65 0 1g 40 85 10 90 40 125 C E70 915T30S CC1310 24 38 5 mm 4 9 0 1g 40 85 10 90 40 125 C 2 2 Electrical Parameters 2 2 1 Transmitting Current Model Min Typ Max Unit Remarks E70 4...

Page 7: ...umed by CPU RAM Clock and some registers which remain operating SoC is at very low power consumption status The turn off current is always lower than the current consumed when the power supply source...

Page 8: ...ption can be lowered by lowering the transmitting power but the efficiency of the internal PA will be decreased by lowering transmitting power due to various reasons The transmitting power will be low...

Page 9: ...907 0 915 0 922 5 MHz E70 915T30S 907 0 915 0 922 5 MHz 2 4 Tested Parameters Model Min Typ Max Unit Remarks E70 433T14S2 1350 1500 1600 m The external antenna used is of 2 5dBi gain and vertical pol...

Page 10: ...evel to be floated 12 LNA_EN Output Internal MCU controlled LNA pin valid in high level to be floated 13 M2 Input M2 M1 M0 together decide the 8 kinds of working modes An external 1k protective resist...

Page 11: ...nput please refer to Parameter setting An external 1k protective resistor shall be connected in series when in use 21 M1 Input M2 M1 M0 together decide the 8 kinds of working modes An external 1k prot...

Page 12: ...when in use Cannot be floated it can be grounded when not used 18 M0 Input M2 M1 M0 jointly decide the 8 working modes An external 1k protective resistor shall be connected in series and a 1M pull up...

Page 13: ...be floated 32 RESET Input Reset pin 33 NC Reserved pin Reserved to be floated 34 NC Reserved pin Reserved to be floated 35 NC Reserved pin Reserved to be floated 36 NC Reserved pin Reserved to be flo...

Page 14: ...nnected in series when in use 17 GND Ground Ground electrode 18 M0 Input M2 M1 M0 jointly decide the 8 working modes An external 1k protective resistor shall be connected in series and a 1M pull up re...

Page 15: ...floated 33 NC Reserved pin Reserved to be floated 34 NC Reserved pin Reserved to be floated 35 NC Reserved pin Reserved to be floated 36 NC Reserved pin Reserved to be floated 37 NC Reserved pin Reser...

Page 16: ...y Co Ltd 16 34 4 Recommended Circuit Diagram 4 1 E70 433T14S2 E70 868T14S2 E70 915T14S2 4 2 General Circuit Diagram No Description STM8L MCU 1 The UART module is TTL level Please connect to MCU of TTL...

Page 17: ...of module A as 0xFFFF or 0x0000 and the channel as 0x04 When module A is the transmitter transparent transmission all modules under channel 0x04 will receive the data the purpose of broadcast is reali...

Page 18: ...d M0 Therefore the user needs to wait the AUX rising edge as the starting point of module s normal work 5 6 AUX Description 5 6 1 Indication of UART Output To wake up external MCU 5 6 2 Indication of...

Page 19: ...0 UART opens Wireless closes and sub package transparent transmission is available Air data rate and baud rate can be adjusted separately It is applicable for data packet transmission 3 Configuration...

Page 20: ...e when the transmitter works in mode 0 after the external MCU transmits data 12345 it can switch to sleep mode immediately without waiting the rising edge of the AUX pin also the user s main MCU will...

Page 21: ...sses 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 co...

Page 22: ...tter 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...

Page 23: ...ly receive the data sent from the transmitter under mode 4 6 9 Sleep Mode Mode 7 Status M0 1 M1 1 M2 1 Transmitting Transmitting is not available Receiving Receiving is not available Others Other func...

Page 24: ...y 868MHz Default parameter values C0 00 00 18 4E 1C Model Frequency Address Channel Air data rate Baud rate Parity Transmitting power E70 868T14S2 868MHz 0x0000 0x0E 2 5K 9600 8N1 25mW Default paramet...

Page 25: ...mode M0 1 M1 1 M2 0 User gives the module instruction HEX format C4 C4 C4 the module resets for one time During the reset process the module will conduct self check AUX outputs low level After reset c...

Page 26: ...e can be used as high low address and channel The module changes its address and channel when transmitting And it will revert to original setting after the process is completed It is transparent trans...

Page 27: ...power supply ripple is within 100mV Low power transmission is not recommended due to its low power supply efficiency 0 0 30dBm Default 0 1 27dBm 1 0 24dBm 1 1 21dBm For example The meaning of No 3 SPE...

Page 28: ...6 DIO_9 Input Output MCU GPIO 7 DIO_8 Input Output MCU GPIO 8 VCC Positive power reference voltage range 2 2V 3 8V DC 9 GND Reference ground Ground electrode 10 GND Reference ground Ground electrode...

Page 29: ...tz crystal with pin 4 4 X32K_Q2 Input Output Connect to 32 768K quartz crystal with pin 3 5 DIO_1 Input Output MCU GPIO 6 DIO_2 Input Output MCU GPIO 7 DIO_3 Input Output MCU GPIO 8 DIO_4 Input Output...

Page 30: ...ut MCU GPIO 31 DIO_22 Input Output MCU GPIO 32 RESET Input Reset pin 33 DIO_23 Input Output MCU GPIO 34 DIO_24 Input Output MCU GPIO 35 DIO_25 Input Output MCU GPIO 36 DIO_26 Input Output MCU GPIO 37...

Page 31: ...C Input JTAG TMSC 24 RESET Input Reset pin valid in low level 25 DIO_16 Input Output MCU GPIO 26 DIO_17 Input Output MCU GPIO 27 DIO_18 Input Output MCU GPIO 28 VCC Positive power reference voltage ra...

Page 32: ...e more details in TI official document TDI and TDO pin can be unconnected Connection diagram of JTAG downloader 10 Production Guidance 10 1 Reflow Soldering Temperature Profile Feature Sn Pb Assembly...

Page 33: ...ut in a metal case Power register was set incorrectly air data rate is set as too high the higher the air data rate the shorter the distance The power supply low voltage under room temperature is lowe...

Page 34: ...his manual will be updated based on the upgrade of firmware and hardware please refer to the latest version Please refer to our website for new product information 13 About Us Technical support suppor...