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Step 3: Remove the SD card from the PC, insert it into the EVK, and power on the EVK

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Step 4: Waiting for a while and you can get the logged data in the SD card. During the 

process, you may use the Micro-B USB cable to connect the EVK to PC in order to check 

the status of data transmission with a port monitor tool. 

4.2.3

 

Firmware Upgrade Instructions 

Step 1: Insert the SD card into the PC, and copy the zipped folder “UM220-IV-

N_EVK_Suite_V2.0_sdcard” to the card. Unzip the folder and open “bootloader” to make 

sure that it contains the loader file. Then, put the firmware file

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  in the “firmware” folder. 

 

For the bootloader and firmware folders, only one file can be stored in each folder. 

Step 2: Open the “config.ini” file, and set the “update” value to 1.   

Step 3: Remove the SD card from the PC, insert it into the EVK, and power on the EVK. 

Step 4: During upgrade, the indicator L1 is off. After the upgrade is finished, the light 

turns on. You may also use the Micro-B USB cable to connect the EVK to PC in order to 

check the status of upgrade with a port monitor tool. 

 

                                                   

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If the antenna is not connected, the EVK will output debug information; if you need the positioning 

information, please connect the antenna before powering on. 

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  Please contact Unicore to get the latest firmware. 

Summary of Contents for UM220-IV N

Page 1: ...STALLATION AND OPERATION QUICK GUIDE WWW UNICORECOMM COM Copyright 2009 2023 Unicore Communications Inc Data subject to change without notice UM220 IV N Navigation and Positioning Module Evaluation Ki...

Page 2: ...l not be deemed as either expressly implied by estoppel or any other form the granting or transferring of Unicore rights and or interests including but not limited to the aforementioned trademark righ...

Page 3: ...document provides information of Unicore s UM220 IV N evaluation kit EVK It can be used together with UPrecise_User Manual Target Readers This manual is written for technicians who are familiar with...

Page 4: ...Introduction 1 3 Interfaces Indicators 2 4 Installation Configuration 3 4 1 Installation 3 4 2 SD Card Instructions 4 4 2 1 Contents of the SD Card Folder 4 4 2 2 Data Storage Instructions 5 4 2 3 Fi...

Page 5: ...rformance of UM220 IV N module for user convenience The delivered package contains Table 1 1 UM220 IV N EVK Package Type Contents Number Main device UM220 IV N EVK Suite 1 Accessory GNSS antenna OSAnm...

Page 6: ...shes when the 3D positioning is effective ANT RF signal input connector Antenna signal input FWD Direction signal connector Reserved for odometer directional signal input UM220 IV N EVK does not suppo...

Page 7: ...quencies supported by the antenna should be in line with the module fix it in the non blocking area and connect the antenna to the ANT port on the EVK Step 3 Connect the EVK to the PC using the Micro...

Page 8: ...SD card you need to copy the zipped folder UM220 IV N_EVK_Suite_V2 0_sdcard to the card The folder contains the following items Figure 4 2 Contents of the SD Card Folder 1 The bootloader folder contai...

Page 9: ...up new or append Append log data in the existing file New log data in a new file WorkBaudrate 115200 The working baud rate of UM220 IV N module LogFileName log The name of the log file update 0 1 Upgr...

Page 10: ...he loader file Then put the firmware file2 in the firmware folder For the bootloader and firmware folders only one file can be stored in each folder Step 2 Open the config ini file and set the update...

Page 11: ...Unicore Communications Inc 7 F3 No 7 Fengxian East Road Haidian Beijing P R China 100094 www unicorecomm com Phone 86 10 69939800 Fax 86 10 69939888 info unicorecomm com www unicorecomm com...

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