muRata LBAA0XV2GT LoRa Module EVB User Manual

: June 28, 2024
: muRata

Table of Contents

LBAA0XV2GT LoRa Module EVB
Product Information
Specifications
Product Usage Instructions
General Overview
View of JS-1076 EVB
View of JS-1125 EVB
EVB Schematic
- FAQ (Frequently Asked Questions)
Q: Can I use both JS-1076 and JS-1125 EVBs
Q: How can I set the baud rate for the Type 2GT LoRa Module
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

LBAA0XV2GT LoRa Module EVB

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Product Information

Specifications

Product Name: Type 2GT LoRa Module EVB
Product Type: Development and testing tool for Murata 2GT
module
Available EVB Types: JS-1076 EVB, JS-1125 EVB

Product Usage Instructions

General Overview

The Type 2GT LoRa Module EVB is designed as an assistant tool
for engineers to develop and test Murata 2GT modules. There are two
types of EVBs available: JS-1076 and JS-1125. Each EVB has specific
components and features outlined below.

View of JS-1076 EVB

The JS-1076 EVB features the following components:

Lora sub_G RF port (U4)
Lora 2.4G RF port (U2)
2GT module (U1)
3V3_EXT Connector of external power supply

View of JS-1125 EVB

The JS-1125 EVB features components similar to the JS-1076 EVB
with additional switches for power supply (J6, J7, J8).

EVB Schematic

The schematic diagram provides detailed information on the
connections and components of the EVB. Users can refer to it for a
better understanding of the layout.

FAQ (Frequently Asked Questions)

Q: Can I use both JS-1076 and JS-1125 EVBs

interchangeably?

A: No, each EVB is designed for specific purposes and may have
different components and features. It is recommended to use the
appropriate EVB based on your requirements.

Q: How can I set the baud rate for the Type 2GT LoRa Module

EVB?

A: Refer to Figure 14 in the user manual for instructions on
setting the baud rate. Follow the provided steps carefully to
configure the baud rate as needed.

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User Manual
Type 2GT LoRa Module EVB User Manual

Type 2GT EVB User Manual

Table of Contents
1 Introduction………………………………………………………………………………………………………………3 2 General Overview ……………………………………………………………………………………………………..3
2.1 View of EVBs ……………………………………………………………………………………………………3 2.1.1 View of JS-1076 EVB …………………………………………………………………………………3 2.1.2 View of JS-1125 EVB …………………………………………………………………………………5
2.2 EVB schematic………………………………………………………………………………………………….6 2.3 Accessories of EVB……………………………………………………………………………………………7 2.4 EVB and Accessories Assembly ………………………………………………………………………….8 3 Parts Applications ……………………………………………………………………………………………………..9 3.1 Antenna ports……………………………………………………………………………………………………9 3.2 Switch ……………………………………………………………………………………………………………..9
3.2.1 Switch on JS-1076 EVB ……………………………………………………………………………..9 3.2.2 Switch on JS-1125 EVB ……………………………………………………………………………10 3.3 Indication LEDs ……………………………………………………………………………………………….10 4 EVB Operation Procedures……………………………………………………………………………………….10 4.1 MCU Platform driver install………………………………………………………………………………..10 4.2 MCU test firmware install ………………………………………………………………………………….11 4.3 Set command to EVB……………………………………………………………………………………….12 5 Reference ………………………………………………………………………………………………………………13 Revision History…………………………………………………………………………………………………………14

Figures
Figure 1: Top View of JS-1076 EVB …………………………………………………………………………………3 Figure 2: Top View of JS-1125 EVB …………………………………………………………………………………5 Figure 3: JS-1076 EVB schematic …………………………………………………………………………………..6 Figure 4: JS-1125 EVB schematic …………………………………………………………………………………..7 Figure 5: Accessories of EVB………………………………………………………………………………………….8 Figure 6: Connection between EVB and NUCLEO-L476RG platform……………………………………….8 Figure 7: Assembly antennas and connect platform to PC …………………………………………………….9 Figure 8: Switch used for power supply on JS-1076 EVB………………………………………………………9 Figure 9: Switch used for power supply on JS-1125 EVB…………………………………………………….10 Figure 10: COM information ………………………………………………………………………………………….10 Figure 11: Install MCU firmware process …………………………………………………………………………11 Figure 12: Install MCU test firmware successfully………………………………………………………………11 Figure 13: Select the serial port……………………………………………………………………………………..12

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Type 2GT EVB User Manual
Figure 14: Set the baud rate………………………………………………………………………………………….12
Tables
Table 1: Parts on the JS-1076 EVB ……………………………………………………………………………….4 Table 2: Parts on the JS-1125 EVB ……………………………………………………………………………….5 Table 3: Accessories of EVB………………………………………………………………………………………….7 Table 4: Reference Table……………………………………………………………………………………………..13

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Type 2GT EVB User Manual
1 Introduction
This document specifies the usage of 2GT module EVB which is an assistant tool for engineers to develop and test Murata 2GT module. Murata provides 2 types of 2GT EVB, one type is JS-1076 EVB, another one is JS-1125 EVB. Customer can refer the information based on the different EVB in this file.
2 General Overview
2.1 View of EVBs
2.1.1 View of JS-1076 EVB
The figure 1 shows the top view of the JS-1076 EVB.

Figure 1: Top View of JS-1076 EVB

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Type 2GT EVB User Manual

The table1 shows the parts on the JS-1076 EVB information. Table 1: Parts on the JS-1076 EVB

SN Ref No

Description

A

U4

Lora sub_G RF port

B

U2

Lora 2.4G RF port

C

U1

2GT module

D 3V3_EXT Connector of external power supply

E

GND

connector of external GND

F

J5

Switch of power supply

G

LD1 LoRa Transmit Data Indication LED

H

LD2

LoRa Receive Data Indication LED

I

LD3

Wi-Fi or GNSS Sniff Indication LED

J

U5

3V3 LDO

K

J1

Connect pins to MCU platform

L

J2

Connect pins to MCU platform

M

J3

Connect pins to MCU platform

N

J4

Connect pins to MCU platform

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Type 2GT EVB User Manual
2.1.2 View of JS-1125 EVB
The figure 2 shows the top view of the JS-1125 EVB.

Figure 2: Top View of JS-1125 EVB
The table2 shows the parts on the JS-1125 EVB information. Table 2: Parts on the JS-1125 EVB

SN Ref No

Description

A

U4

Lora sub_G RF port

B

U2

Lora 2.4G RF port

C

U1

2GT module

D 3V3_EXT Connector of external power supply

E

GND

connector of external GND

F J6, J7, J8

Switch of power supply

G

LD1 LoRa Transmit Data Indication LED

H

LD2

LoRa Receive Data Indication LED

I

LD3

Wi-Fi or GNSS Sniff Indication LED

J

U5

3V3 LDO

K

J1

Connect pins to MCU platform

L

J2

Connect pins to MCU platform

M

J3

Connect pins to MCU platform

N

J4

Connect pins to MCU platform

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Type 2GT EVB User Manual

2.2 EVB schematic
The figure3 and figure4 shows the schematic of EVB. User can refer it to check the parts on the EVB.

DIO9/IREQ DIO8 C159 470nF
L9 15uH
BUSY NSS MISO MOSI

1 DIO9
2 DIO8
3 GND3
4 DC_DC_in
5 GND5
6 DC_DC_out
7 GND7
8 GND8
9 LR_BUSY
10 LR_NSS
11 LR_MISO
12 LR_MOSI

SCK

BUSY DIO9/IREQ LD3
NSS
R41 510 ohm

J1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CON16A

J3

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CON16A

3V3_nucleo 5VDD

13 14 ANT_LoRa_2.4G 15 16 17 18 ANT_LORA_sub_G 19 20 21 22 23 24

LR_SCK GND14 ANT_LoRa_2G4 GND16 NC1 GND18 ANT_LORA_sub_G GND20 NC2 GND22 RFSW0 RFSW1

48 GND48
47 GND47
46 GND46
45 GND45
44 GND44
43 GND43
42 GND42
41 GND41
40 GND40
39 GND39
38 GND38
37 GND37

U1 Ty pe2GT module

36 GND36
35 LR_NRST
34 GND34
33 GND33
32 GND32
31 GND31
30 GND30
29 VDD29
28 VDD28
27 GND27
26 GND26
25 RFSW2

LR_NRST
VDD33 C164 C163 0.1uF 10uF/0603 SP21

SP23 SP22

ANT_LoRa_2.4G R1 0 ohm

L1

L2

NC

U2 2

1

3

5

4

RF-SOCKET_0 SMA connector

ANT_LORA_sub_G R3

0 ohm

L5

L6

NC

U4 2

1

3

5

4

RF-SOCKET_0 SMA connector

5V from platform to 3V3 by LDO

MOSI MISO SCK

J2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

5VDD R45 0R

3V3_nucleRo 44 NU

C6

10uF/0603

U5

1

5

VIN VOUT

4 NC1

3

2

CE VSS

XC6222B331MR

VDD33_LDO
C29 C5 0.1uF 10uF/0603

3V3 from external supply

GND

3V3_EXT

3V3_Ext

CON20A

J4

1

2

3

4

5

6

7

8

9

10

11

12

CON12A

LR_NRST MCU_GNSS_LNA

LD1

LD2

R43=10k and connect to 3V3 for LR1110 R43 10k 3V3_nucleo
R42 NU R42=10k and connect to GND for LR111*

R22 510 ohm

R40 510 ohm

C7 22uF/0805

3V3 supply selection

J5 3
32 21 1

3V3_Ext VDD33 VDD33_LDO

CON1x3

Figure 3: JS-1076 EVB schematic

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Type 2GT EVB User Manual

Figure 4: JS-1125 EVB schematic

2.3 Accessories of EVB

The accessories are needed to set up the EVB test system. And table2 and figure3 shows the detailed information. Table 3: Accessories of EVB

SN

Description

A

Lora antenna for sub_G band

B

Lora antenna for 2.4G ISM band

C

NUCLEO-L476RG MCU platform

D

Mini USB

Provider Murata Murata Customer Customer

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Type 2GT EVB User Manual

Figure 5: Accessories of EVB
2.4 EVB and Accessories Assembly
STEP1: Connect the EVB to the NUCLEO-L476RG.Make sure the pins are connected in the red areas on the EVB and platform as showed in the figure 6.

Figure 6: Connection between EVB and NUCLEO-L476RG platform
STEP2: Connect the NUCLEO-L476RG to PC by Mini USB interface cable and assembly the antennas on the EVB as showed in figure 7.

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Type 2GT EVB User Manual

Figure 7: Assembly antennas and connect platform to PC
3 Parts Applications
3.1 Antenna ports
There are 2 RF ports on the EVB, customer can use them to do the conductive test and radioactive test for different purposes. The position and description can refer the figure1 and table1.
3.2 Switch 3.2.1 Switch on JS-1076 EVB
There is a J5 switch used for the power supply selection as showed in figure 8. If customer want to use the supply from Nucleo board, please connect pin1 and pin2. If customer want to use external DC supply, please connect pin2 and pin3.

Figure 8: Switch used for power supply on JS-1076 EVB

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Type 2GT EVB User Manual
3.2.2 Switch on JS-1125 EVB
There are J6,J7,J8 switchs on JS-1125 EVB used for the power supply selection as showed in figure 9. If we use the external DC supply, please connect pin1 and pin2 of J6. If we use the 5V from Nucleo board, please connect pin1 and pin2 of J7. If we use the 3.3V from Nucleo board, please connect pin1 and pin2 of J8.
Figure 9: Switch used for power supply on JS-1125 EVB
3.3 Indication LEDs
There are 3 LEDs (LD1, LD2 and LD3) on the EVB, the position and description can refer the figure1,2 and table1,2.
4 EVB Operation Procedures
4.1 MCU Platform driver install
Step1: Connect the PC USB port to NUCLEO-L476 board USB port, open the Device Manager in the PC, then install ST-LINK_USB_V2_Driver. Download link is in the table 4. Step2: Install the driver successfully and see the com port in figure 10:

Figure 10: COM information

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Type 2GT EVB User Manual
4.2 MCU test firmware install
Step1: Open the STM32cuberprogrammer software. Download link is in the table 4 Step2: Click connect button. Step3: Click connect browse button and select test firmware. Step4: Click start programming. Step5: Check pop-up windows shows the download complete or not. These steps showed in the figure 11 and figure12.
Figure 11: Install MCU firmware process

Figure 12: Install MCU test firmware successfully

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Type 2GT EVB User Manual
4.3 Set command to EVB
Step1: Open tera term, putty or other UART communication tool, download link is in table4. Step2: Select the Serial and choose the correct com port as showed in figure 13. Step3: Go to Setup>Serial port, change the Speed to 115200 and click on new setting as showed in figure 14. Step4: Set the command to EVB. For the command information, please refer to Type-2GT LR11xx test firmware AT command specification.pdf in table 4.
Figure 13: Select the serial port

Figure 14: Set the baud rate

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Type 2GT EVB User Manual

5 Reference

Table 4 reviews all the key reference links and documents that user may like to refer to.

Table 4: Reference Table

Documents and information NUCLEO-l476 Link
ST-LINK_USB_V2_Driver Link
STM32cuberprogrammer Link Tera Term software Link Putty software Link Type-2GT LR11xx test firmware AT command specification.pdf

Notes
https://www.st.com/en/evaluation-tools/NUCLEO-l476rg.html
STSW-LINK009 – ST-LINK, ST-LINK/V2, ST-LINK/V2-1, STLINKV3 USB driver signed for Windows7, Windows8, Windows10 STMicroelectronics
STM32CubeProg – STM32CubeProgrammer software for all STM32 – STMicroelectronics
Tera Term Open Source Project (osdn.jp)
Download PuTTY: latest release (0.78) (greenend.org.uk)
This document is intended to describe the command interface and format for Type-2GT LR11xx test firmware.

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Type 2GT EVB User Manual

Revision History

Revision A B

Date 07.18.2023 12.28.2023

Section

Change Description
First issue, EVB is JS-1076. Added the user manual based on JS-1125 EVB.

Copyright © Murata Manufacturing Co., Ltd. All rights reserved. The information and content in this document are provided “as-is” with no warranties of any kind and are for informational purpose only. Data and information have been carefully checked and are believed to be accurate; however, no liability or responsibility for any errors, omissions, or inaccuracies is assumed.
Wi-Fi® is a registered trademark of Wi-Fi Alliance. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. Other brand and product names are trademarks or registered trademarks of their respective owners.
Specifications are subject to change without notice.

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