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Wireless UART Module

E64 Series

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.

User Manual

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Summary of Contents for E64 Series

Page 1: ...odule E64 Series 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 User Manual ...

Page 2: ...arity and automatic re transmission mechanism between masters and slaves The module operates at 425 451 3MHz with transmitting power at 100mA and command transmission available The module communicates with MCU via UART interface E64 series can be either master or slave When module works as master it can monitor and receive data from slaves And when module works as slave it can be set to work at WO...

Page 3: ... Description 8 5 2 1 Indication of UART Output 8 5 2 2 Indication of Wireless Transmitting 8 5 2 3 Configuration Procedure of Module 9 5 2 4 Notes for AUX 9 6 Operating Mode 9 6 1 Mode Switch 9 6 2 Master Mode Mode 0 10 6 3 Slave transmitter Mode Mode 1 10 6 4 Slave receiver Mode Mode 2 10 6 5 Sleep Mode Mode 3 10 7 Instruction Format 10 7 1 Default Parameter 11 7 2 Reading Operating Parameters 11...

Page 4: ...User Manual of E64 Series Modules Copyright 2012 2017 Chengdu Ebyte Electronic Technology Co Ltd 4 16 10 FAQ 15 10 1 Communication range is too short 15 10 2 Module is easy to damage 15 11 Important Notes 16 12 About Us 16 ...

Page 5: ...ved correspondingly Without FEC those data packets can only be dropped l Encryption Algorithm The module has the function of data encryption compression The data transmitted features randomness With such function data interception becomes pointless Data compression can decrease the transmission time probability of being interfered while improving the reliability transmission efficiency l Watchdog ...

Page 6: ... current The tested receiving current may be higher for some RF chips with communication protocol or when the developers have loaded their own protocol to the whole module l The current at pure receiving mode is at mA level To achieve µA level receiving current the users need to manage it through firmware development l The turn off current is always lower than the current consumed when the power s...

Page 7: ...al RXD MCU PC input pin Can be configured as open drain or push pull output 5 AUX Output To indicate module s working status wakes up the external MCU During the procedure of self check initialization the pin outputs low level Can be configured as open drain output or push pull output Floating is allowed 6 VCC Input Power supply 2 1V 5 5V DC 7 GND Input Ground electrode 8 ANT Output Reference plac...

Page 8: ...re are 3 different effective situations for AUX and they are self check of module interaction between module and targeted devices and data to transmit of the module 5 2 1 Indication of UART Output To wake up external MCU 5 2 2 Indication of Wireless Transmitting There are three phases for wireless transmitting and they are UART data receiving handshake and return the result When RXD receives seria...

Page 9: ...nd their corresponding mode Mode 0 3 M0 M1 Mode introduction Notes Master Mode 0 0 0 Monitor all the salves working at the same channel If the WOR is on master can wake up slaves The receiver need to work in Mode 2 Slave transmitter Mode 1 1 0 Send the data to master The receiver must be the master Slave receiver Mode 2 0 1 Turn on WOR and wait for the data from master Sleep Mode3 1 1 Parameter se...

Page 10: ...duced and the efficiency of whole system is largely improved 6 2 Master Mode Mode 0 Status When M0 0 M1 0 module works in mode 0 Transmitting At master mode it supports fixed point transmission At most 31 slaves can update data to master at the same time Receiving 6 3 Slave transmitter Mode Mode 1 Status When M0 1 M1 0 module works in mode 1 Transmitting Slave can send data to master by sending pr...

Page 11: ... number for example C3 64 xx yy 64 here means the module model E64 series xx is the version number and yy refers to the other module features 7 4 Reset Instruction Instruction format Description C4 C4 C4 In sleep mode M0 1 M1 1 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...

Page 12: ... Reserved 6 IO drive mode the default 1 1 TXD and AUX push pull outputs RXD pull up inputs 0 TXD AUX open collector outputs RXD open collector inputs 5 4 3 wireless wake up time for the receiver it means the monitor interval time while for the transmitter it means continuously sending preamble code time 000 0ms 001 250ms 010 500ms 011 750ms 100 1000ms default 101 1250ms 110 1500ms 111 2000ms l The...

Page 13: ...n the same pages about turn on or turn off FEC l The external power must make sure the ability of current output more than 200mA and ensure the power supply ripple within 100mV l Low power transmission is not recommended due to its low power supply efficiency 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 configurable 0 0 0 1 1 0 0 1 Meaning...

Page 14: ...3 Pb37 Sn96 5 Ag3 Cu0 5 Preheat Temperature min Tsmin 100 150 Preheat temperature max 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 Temperature TL 183 217 Time tL Maintained Above TL 60 90 sec 30 90 sec Peak temperature Tp 220 235 230 250 Aveage ramp down rate Tp to Tsmax 6 second max 6 second max Time 25 to ...

Page 15: ...e l Power register was set incorrectly air data rate is set as too high the higher the air data rate the shorter the distance l The power supply low voltage under room temperature is lower than the recommended value the lower the voltage the lower the transmitting power l Due to antenna quality or poor matching between antenna and module 10 2 Module is easy to damage l Please check the power suppl...

Page 16: ...l This manual will be updated based on the upgrade of firmware and hardware please refer to the latest version l Please refer to our website for new product information 12 About Us Technical support support cdebyte com Documents and RF Setting download link www cdebyte com en Tel 86 28 61399028 Ext 812 Fax 028 64146160 Web www cdebyte com en Address Innovation Center D347 4 XI XIN Road Chengdu Sic...

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