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E62-433T20D User Manual

433MHz 100mW Wireless Module

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Summary of Contents for E62-433T20D

Page 1: ...E62 433T20D User Manual 433MHz 100mW Wireless Module ...

Page 2: ... 5 FUNCTION DESCRIPTION 7 5 2 1 Indication of UART output 7 5 2 2 Configuration procedure of module 7 5 6 4 Notes for AUX 8 6 OPERATING MODE 8 6 2 TRANSMISSION MODE MODE 0 9 6 3CONFIGURE MODE MODE 1 10 7 INSTRUCTION FORMAT 10 7 1 DEFAULT PARAMETER 10 7 2 READING OPERATING PARAMETERS 10 7 3 READING VERSION NUMBER 11 7 4 PARAMETER SETTING INSTRUCTION 11 8 HARDWARE DESIGN 14 9 FAQ 15 9 1 COMMUNICATIO...

Page 3: ...ronic Technology Co Ltd E62 433T20D user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 2 11 E62 SERIES 16 12 ANTENNA RECOMMENDATION 16 13 PACKAGE FOR BATCH ORDER 17 REVISION HISTORY 17 ABOUT US 17 ...

Page 4: ...w latency communication link The module features FEC Forward Error Correction algorithm which ensure its high coding efficiency good correction performance In the case of sudden interference it can correct the interfered data packets proactively so that the reliability transmission range are improved correspondingly But without FEC those data packets can only be dropped 1 2 Features Communication ...

Page 5: ... 3 5 0 5 2 5 0 V ensures output power Communication level V 3 3 For 5V TTL it may be at risk of burning down Operating temperature 40 85 Industrial design Operating frequency MHz 425 450 5 Support ISM band Power consumption Transmitting current mA 104 Instant power consumption Receiving current mA 33 Turn off current μA 4 Software is shut down Max Tx power dBm 19 6 20 0 21 4 Receiving sensitivity ...

Page 6: ...ze 21 36mm Antenna SMA K 50 ohm impedance 3 Size and pin definition No Name Direction Function 1 M0 Input weak pull up Work with M1 to decide 2 working modes of module not suspended if not used could be grounded 2 LOCK Input Module synchronization indication high level indicates that both sides of communication have been synchronized and data transmission can be ...

Page 7: ...xternal 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 push pull output suspending is allowed 6 VCC Input Power supply 2 1 5 5V DC 7 GND Input Ground 8 Fixed orifice Fixed orifice 9 Fixed orifice Fixed ...

Page 8: ...starts to work as per the operating mode combined by M1 and M0 Therefore users need to wait the AUX rising edge as the start of module s normal work 5 2 AUX description AUX Pin can be used as indication for wireless send receive buffer and self check It can indicate whether there are data that are not sent yet via wireless way or whether all wireless data has been sent through UART or whether the ...

Page 9: ...or 2ms If AUX stays on the high level the operating mode switch can be affected immediately 4 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 5 3 LOCK description 6 Operating mode Contents in below table are the introduction of input status of M1 M0 and their corresponding...

Page 10: ...s 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 go dormancy immediately Then the module will transmit all the data through wireless transmission go dormancy 1ms later automatically which reduces MCU working time save power 4 Likewise this feature can be used in any mode switch The module will start to work in new mod...

Page 11: ...on and they must be send in succession 5 C4 C4 C4 Three C4 are sent in hexadecimal format The module will reset one time and they must be send in succession 6 C5 C5 C5 Three C5 are sent in hexadecimal format The module returns the current RSSI signal strength value 7 1 Default parameter Default parameter values C0 01 0A 1A 0A 44 Model Frequency Address Channel launch mode Baud rate Parity Transmit...

Page 12: ...eatures 7 4 Parameter setting instruction C0 and C2 are operating parameters The difference between C0 command and C2 command is that C0 command will write parameters into the internal flash memory and can be saved when power down while C2 command cannot be saved when power down because C2 command is temporarily mend instruction C2 is recommended for the occasion that need to change the operating ...

Page 13: ... 7 6 UART parity bit 00 8N1 default 01 8O1 10 8E1 11 8N1 equal to 00 5 4 3 TTL UART baud rate bps 000 1200bps 001 2400bps 010 4800bps 011 9600bps default 100 19200bps 101 38400bps 110 57600bps 111 115200bps 2 N A 1 0 Air data rate bps 00 16Kbps 01 32Kbps 10 64Kbps default 11 128Kbps UART mode can be different between communication parties UART baud rate can be different between communication parti...

Page 14: ...nded 2 FEC switch 0 Turn off FEC 1 Turn on FEC Default 1 0 transmission power approximation 00 20dBm Default 01 17dBm 10 13dBm 11 10dBm This bit is used to the module internal pull up resistor It also increases the level s adaptability in case of open drain But in some cases it may need external pull up resistor 0 is recommended After turn off FEC the actual data transmission rate increases while ...

Page 15: ...s soldered to the Top Layer and the copper is spread on the Top Layer of the module contact part well grounded it must be close to the digital part of the module and routed in the Bottom Layer Assuming the module is soldered or placed over the Top Layer it is wrong to randomly route over the Bottom Layer or other layers which will affect the module s spurs and receiving sensitivity to varying degr...

Page 16: ...matching between antenna and module 9 2 Module is easy to damage Please check the power supply source ensure it is 2 0V 3 6V voltage higher than 3 6V will damage the module Please check the stability of power source the voltage cannot fluctuate too much Please make sure antistatic measure are taken when installing and using high frequency devices have electrostatic susceptibility Please ensure the...

Page 17: ...3 NP 4310 Soft PCB antenna 433M SMA J 2 43 8 9 5mm Built in flexibility FPC soft antenna TX433 JW 5 Rubber antenna 433M SMA J 2 50mm Flexible omnidirectional TX433 JWG 7 Rubber antenna 433M SMA J 2 5 75mm Flexible omnidirectional TX433 JK 20 Rubber antenna 433M SMA J 3 210mm Flexible omnidirectional TX433 JK 11 Rubber antenna 433M SMA J 2 5 110mm Flexible omnidirectional TX433 XP 200 Sucker antenn...

Page 18: ...17 12 13 Initial version huaa 1 10 2018 01 30 module name change huaa 1 20 2018 10 25 version updating huaa About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyte products Please contact us with any questions or suggestions info cdebyte com Fax 028 64146160 ext 821 Web www ebyte com Address Innovation Center D347 4 XI XIN Road ...

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