MEK D8945 EVK Hardware User Manual

MEK-D8945%20EVK%20hardware%20User%20Manual

User Manual:

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MEK-D8945AL EVK User Manual

©Maxiiot Ltd., All Rights Reserved. This document is for planning purposes only, and is not intended to modify any specifications or

warranties relating to products of Maxiiot. Maxiiot may make changes to specifications and descriptions at any time without notice.

MEK-D8945AL LoRa EVK

User Manual

1. Description

MEK-D8945AL is a LoRaWANTM evaluation kit based on Maxiit’s LoRa module DL7812/DL7612 and FT232 chipset.

It integrated with the newest version LoRa protocol LoRaWAN 1.1 and LoRaWAN 1.0.2 , support AT command

control and secondary development on MCU. Support USB to Serial port, drive-free, adds LoRa connectivity to

any windows, Linux or IOS operating systems. It lets IoT (Internet of Things) integrators, network testers, and

hobbyists get connected to LoRa®networks faster, diagnose network issues more easily, and build new and

exciting connected devices.

2. Features

-USB – USB 2.0 port, Plug and Play

-Compliance to LoRaWAN™, Support lorawan1.0.2, 1.0.3 or 1.1 protocol ,Class A/B/C

-Support AT command control and secondary development on MCU

-Use more stable SWD debug interface, SPI, GPIO interface reserved

-LoRa Connectivity

Maxiiot DL7612 – Support EU868MHz/US915MHz/AS923MHz

Maxiiot DL7812 – Support EU433MHz/CN470MHz

Receiver Sensitivity – down to -139 dBm

TX Power – adjustable up to +18.6 dBm

Range – Effective communication range 3~5 km

Power consumption:TBD

-Misc – 3x user LEDs（Tx LED , Rx LED , Power LED）

-Dimensions – 64mm*23mm*12mm(with Pin Header)

-Support Windows, Linux , and IOS operating systems

3. Specification

4. Interface

Item

Description

Remark

Module

DL7812/DL7612

Working environment

Indoor , outdoor

LoRaWANTM version

LoRaWAN V1.0.2、V1.1

LoRa activation method

ABP/OTAA

Interface

USB\I2C\GPIO\SPI

Dimensions

64*23*12mm( with pin header)

Power consumption

TBD

Working temperature

-40~+85

MEK-D8945AL EVK User Manual

©Maxiiot Ltd., All Rights Reserved. This document is for planning purposes only, and is not intended to modify any specifications or

warranties relating to products of Maxiiot. Maxiiot may make changes to specifications and descriptions at any time without notice.

5. Function Block Diagram

6. Pin Arrangement Diagram

7. Pin Description

No.

Description

Remark

1

5V Jump line POWER SW

2

5V Jump line POWER SW

3

CUBS4

4

CUBS2

5

CUBS3

6

+3.3V

7

GND

8

GND

9

SPI_CLK

10

SPI_MOSI

11

SPI_MISO

12

SPI_CS

13

GPIO48

14

GND

15

SWDCLK

16

SWDIO

17

GPIO46

18

NC

19

SWO

20

ADC5

21

TX_ UART

MEK-D8945AL EVK User Manual

©Maxiiot Ltd., All Rights Reserved. This document is for planning purposes only, and is not intended to modify any specifications or

warranties relating to products of Maxiiot. Maxiiot may make changes to specifications and descriptions at any time without notice.

8. Reference Circuit

22

RX_UART

23

GND

24

ADC6

25

ADC1

26

GPIO34

27

GPIO19

28

RST

29

GND

MEK-D8945AL EVK User Manual

©Maxiiot Ltd., All Rights Reserved. This document is for planning purposes only, and is not intended to modify any specifications or

warranties relating to products of Maxiiot. Maxiiot may make changes to specifications and descriptions at any time without notice.

9. Operation Guide

-Connect the EVK with Pigtail cable and rubber antenna. Plug in computer and install FT232RL driver. Power

LED indicator flashing.

-Open the serial debugging tool for AT Command operation

(Pls take reference to document 《DL761X&DL781X-AT-CMD-V1.7 》,Baud Rate:115200; Byte Size:8 ；

Praity:None ；Data Flow Control:None

10. Package

Package contents

-1* EVK (Support secondary development)

-1* LoRa rubber antenna

-1* ipex/ufl to SMA RF pigtail cable