background image

SI4438 Wireless Module

E30 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

Summary of Contents for E30-T100S2

Page 1: ...odule E30 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...

Page 2: ...TL level WOR ultra low power consumption They feature half duplex and two kinds of interface SMD and DIP The module has the function of data encryption compression The data of the module transmitted o...

Page 3: ...eset 9 5 6 AUX Description 9 5 6 1 Indication of UART Output 9 5 6 2 Indication of Wireless Transmitting 9 5 6 3 Configuration Procedure of Module 10 5 6 4 Notes for AUX 10 6 Operating Mode 10 6 1 Mod...

Page 4: ...ard Error Correction has high coding efficiency good correction performance In case of sudden interference it can correct the interfered data packets proactively so that the reliability transmission r...

Page 5: ...urrent may be higher for some RF chips with communication protocol or when the developers have loaded their own protocol to the whole module The current at pure receiving mode is at mA level To achiev...

Page 6: ...ART inputs connects to external MCU PC TXD output pin Can be configured as open drain or pull up input 4 TXD Output TTL UART outputs connects to external RXD MCU PC input pin Can be configured as open...

Page 7: ...connects to external 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 ch...

Page 8: ...e address of module A as 0xFFFF or 0 x0000 and channel as 0x04 When module is the transmitter transparent transmission all modules under channel 0x04 will receive the data the purpose of broadcast is...

Page 9: ...ta that are not sent yet via wireless way or whether all wireless data has been sent through UART or whether the module is still in the process of self check initialization 5 6 1 Indication of UART Ou...

Page 10: ...be switched immediately 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 it AUX outputs low level 6 Op...

Page 11: ...change so that the mode switch can be realized 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...

Page 12: ...module works in mode 3 Transmitting N A Receiving N A Parameter setting This mode can be used for parameter setting It uses serial port 9600 8N1 to set module working parameters through specific inst...

Page 13: ...ersion number for example C3 30 xx yy 30 here means the module model E30 series xx is the version number and yy refers to the other module features 7 4 Reset Instruction Instruction format Description...

Page 14: ...irst three bytes of each user s data frame can be used as high low address and channel The module changes its address and channel when transmit And it will revert to original setting after complete th...

Page 15: ...e the ability of current output more than 250mA and ensure the power supply ripple within 100mV Low power transmission is not recommended due to its low power supply efficiency 0 0 20dBm Default 0 1 1...

Page 16: ...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 L...

Page 17: ...to antenna quality or poor matching between antenna and module 10 2 Module is easy to damage Please check the power supply and ensure it is within the recommended range Voltage higher than the peak w...

Reviews: