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EMB-LR1276S Dev Board

EMB-LR1276S Dev Board

User Guide

User Guide

Rev. 2.1

Embit s.r.l.

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Содержание EMB-LR1276S

Страница 1: ...EMB LR1276S Dev Board EMB LR1276S Dev Board User Guide User Guide Rev 2 1 Embit s r l...

Страница 2: ...ormation Versions Revisions Revision Date Author Comments 0 1 2019 02 18 Embit MDD Initial release 1 0 2019 05 03 Embit MDD Revision 1 0 2 0 2019 04 17 Embit MDD Revision 2 0 2 1 2019 07 30 Embit MDD...

Страница 3: ...7 CN7 USB 12 3 4 Debugging Interface Connectors 12 3 5 Direct USB 13 3 6 USB to UART connector 13 3 7 On Board Sensors 14 3 8 User Button 14 3 9 LEDs 15 3 10 RESET 15 3 11 RF Antenna 16 3 12 Board Re...

Страница 4: ...eral pin headers are present to exploit the capabilities of the module and ease the development of custom designs 2 Description 2 1 Kit Overview The EMB LR1276S Dev Board is a hardware platform to eva...

Страница 5: ...and the peripherals LEDs push buttons antenna debugger USB 2 0 Micro B connector external battery placed on the board as indicated in Figure 3 EMB LR1276S Dev Board User Guide Rev 2 1 Page 5 of 20 Fi...

Страница 6: ...refer to EMB LR1276S datasheet 1 for detailed description 3 2 Power Supply Connectors The EMB LR1276S Dev Board is designed to be powered in various ways CMD_USB Micro B USB connector TRGT_USB Micro B...

Страница 7: ...is powered from one of the USB connector the jumper must be fitted on JP USB of P1 3 2 2 External Header P3 The board can be powered also using the Header P3 Figure 6 with a maximum of 6V The pin on...

Страница 8: ...t exceed 6V When the board is powered from this header the jumper must be fitted on JP BATT of P1 3 3 Communication Interfaces The EMB LR1276S Dev Board headers CN1 Figure 8 CN2 Figure 9 CN3 Figure 10...

Страница 9: ...tal I O AIN7 AIN3 SERCOM0 Pad3 PA07 6 GND Power Ground GND 3 3 2 CN2 SERCOM 2 Pin Pin Name EMB LR1276S Pin Type Functionality 1 Vdd Power 3 3V 2 PA08 A5 Analog Input or Digital I O AIN16 SERCOM0 Pad0...

Страница 10: ...d1 PA23 4 PA18 G2 Digital I O SERCOM1 Pad2 SERCOM3 Pad2 PA18 5 PA19 D1 Digital I O SERCOM1 Pad3 SERCOM3 Pad3 PA19 6 GND Power Ground GND 3 3 4 CN4 Pin Pin Name EMB LR1276S Pin Type Functionality 1 Vdd...

Страница 11: ...TAG SERCOM1 Pad3 PA31 SWDIO 4 GND Power Ground GND 3 3 6 CN6 Pin Pin Name EMB LR1276S Pin Type Functionality 1 PB23 C5 Digital I O SERCOM5 Pad3 PB23 2 PA13 C3 Digital I O SERCOM2 Pad1 SEFCOM4 Pad1 PA1...

Страница 12: ...he second one has a custom pin out specifically designed by Embit in order to provide compatibility with every microcontroller used in Embit s module The connector is a 2x7 ways 1 27mm pitch female he...

Страница 13: ...d CMD_USB and exposed as a Micro B jack Figure 17 allows to access from a PC to the SERCOM0 UART of the module through a virtual serial port over USB FTDI USB to Serial UART converter The UART to USB...

Страница 14: ...connected to A5 SDA and A6 SCL pins of the EMB LR1276S module SERCOM 2 is used to communicate with the sensors 3 8 User Button The User Button Figure 19 is connected to one GPIO that can handle inter...

Страница 15: ...PB02 E6 Yellow 3 10 RESET The hardware reset of the module can be forced by pressing the RESET button Figure 21 The switch signal is kept high by a 10kOhm pull up resistor and the signal is routed to...

Страница 16: ...an be mounted and adjusted by advanced users NOTE If you want to use the u FL connector on the EMB LR1276S you need to remove the components of the matching network 3 12 Board Revision History Rev 1 0...

Страница 17: ...hese steps Place the jumper on JP USB of P1 Mount the antenna on the SMA connector Connect the USB cable included to the CMD_USB connector and plug it to a PC The green led D1 is lit The board will be...

Страница 18: ...lease be sure that the jumper is in the correct position on P1 header The green led is lit When you are going to download your firmware from Atmel Studio for the first time into the EMB LR1276S you wi...

Страница 19: ...on a LoRaWAN network server A2A TTN etc Please refer to documentation EMB GW1301 O Quick start Guide 5 which explain ho to configure your gateway with the LoRaWAN network server chosen 6 References 1...

Страница 20: ...ted to the product might contain technical inaccuracies as well as typing errors Regulations might also vary in time Updates to these documents are performed periodically and the information provided...

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