MEK D8945 EVK Hardware User Manual

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

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MEK-D8945AL EVK User Manual

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
Item
Module
Working environment
LoRaWANTM version
LoRa activation method
Interface
Dimensions
Power consumption
Working temperature

Description
DL7812/DL7612
Indoor , outdoor
LoRaWAN V1.0.2、V1.1
ABP/OTAA
USB\I2C\GPIO\SPI
64*23*12mm( with pin header)
TBD
-40~+85

Remark

4. Interface

©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 EVK User Manual

5. Function Block Diagram

6. Pin Arrangement Diagram

7. Pin Description
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

Description
5V Jump line POWER SW
5V Jump line POWER SW
CUBS4
CUBS2
CUBS3
+3.3V
GND
GND
SPI_CLK
SPI_MOSI
SPI_MISO
SPI_CS
GPIO48
GND
SWDCLK
SWDIO
GPIO46
NC
SWO
ADC5
TX_ UART

Remark

©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 EVK User Manual

22
23
24
25
26
27
28
29

RX_UART
GND
ADC6
ADC1
GPIO34
GPIO19
RST
GND

8. Reference Circuit

©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 EVK User Manual

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

©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.



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