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INSTALLATION AND OPERATION

USER MANUAL

WWW.UNICORECOMM.COM

Copyright© 2009-2022, Unicore Communications, Inc.
Data subject to change without notice.

UM620N

Automotive Grade Dual-frequency

Multi-GNSS Positioning Module

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Содержание UM620N

Страница 1: ...LLATION AND OPERATION USER MANUAL WWW UNICORECOMM COM Copyright 2009 2022 Unicore Communications Inc Data subject to change without notice UM620N Automotive Grade Dual frequency Multi GNSS Positioning Module ...

Страница 2: ...hall 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 rights in whole or in part Disclaimer The information contained in this manual is provided as is and is believed to be true and correct at the time of its publication or revision This manual does not r...

Страница 3: ...cument describes the information of the hardware installation specification and the use of Unicore UM620N modules Document Structure 1 Product introduction 2 Installation guide 3 Technical specifications 4 Package 5 Clean 6 Reflow soldering ...

Страница 4: ...reparations 5 2 2 Hardware Installation 6 3 Technical Specifications 7 3 1 Electrical Specifications 7 3 2 Operational Conditions 7 3 3 Dimensions 8 3 4 Pin Definition 9 3 5 PCB Packaging 11 4 Package 12 4 1 Label Description 12 4 2 Ordering Information 12 4 3 Package Description 12 5 Clean 13 6 Reflow Soldering 14 ...

Страница 5: ...m standalone positioning It can output accurate positioning results even in complex scenarios The chip of UM620N conforms to the requirements of AEC Q100 and the manufacturing process is in line with IATF 16949 Model Ordering Code Operating Temperature Grade System Interface Data Update Rate 40 C 85 C 40 C 105 C Professional Automotive GPS BDS GLONASS Galileo NAVIC QZSS SBAS UART1 UART2 I 2 C SPI ...

Страница 6: ...sions 16 0 mm 12 2 mm 2 4 mm Input Output Data Interface UART x 2 LVTTL level Supported baud rate 115200 460800 bps I2 C x 1 Address 7 bit Operating in slave mode Transfer rate 400 Kbps SPI x 1 Alternate function of pin 18 21 Operating in slave mode Maximum transfer rate 4 Mbps GNSS Performance Frequencies Configurable GPS L1 C A L1C L5 GLONASS L1 BDS B1I B1C B2a Galileo E1 E5a NAVIC L5 QZSS L1 L5...

Страница 7: ...1PPS Accuracy RMS 20 ns Data Format NMEA 0183 Unicore Protocol Items marked with an asterisk are supported by specific firmware 1 3 Interfaces RF_IN LNA UFirebird II UART Reset SRAM GNSS RF CPU ROM GNSS BB Interface UM620N RF Input Matching Backup Power Supply RTC Power Supply 1PPS TCXO SAW I2 C SPI Figure 1 1 UM620N Block Diagram UART UM620N has two configurable UART ports UART1 is the main seria...

Страница 8: ...is connected to a PC or an external processor for firmware upgrade UART2 only supports data transmission and can t be used for firmware upgrade 1PPS UM620N outputs 1PPS with adjustable pulse width and polarity 1PPS is not for timing application nRESET Active low and the active time is required to last at least 10 ms ...

Страница 9: ...and a conductive foam pad If the antistatic workbench is not available wear an antistatic wrist strap and connect the other end to a metal frame to play the anti static role 3 Hold the edge of the module and DO NOT touch any components of the module 4 Please check carefully whether the module is obviously loose or damaged If there are any problems please contact Unicore or the local dealer Figure ...

Страница 10: ...atic measures such as wearing an anti static wrist strap and grounding the workbench Step 2 Open the UM620N evaluation kit and take out the evaluation board Step 3 Use the GNSS antenna with appropriate gain and fix it in a non blocking area use the appropriate cable to connect the antenna with UM620N evaluation board Step 4 Connect a PC to the EVK serial port through the USB cable or straight thro...

Страница 11: ...nput Power RF_IN 3 dBm Maximum input power of antenna Storage Temperature TSTG 40 85 C Storage temperature for the module 3 2 Operational Conditions Item Symbol Min Typical Max Unit Condition Power Supply VCC 2 7 3 3 3 6 V Ripple Voltage Vp p 50 mV Peak Current Iccp 134 mA VCC 3 0 V Tracking Average Current IACQ 90 100 116 mA VCC 3 0 V Low Level Input Voltage VIL 0 0 2 VCC V High Level Input Volta...

Страница 12: ...n mm Typical mm Max mm A 15 9 16 0 16 5 B 12 05 12 2 12 35 C 2 2 2 4 2 6 D 0 9 1 0 1 3 E 1 0 1 1 1 2 F 2 9 3 0 3 1 G 0 9 1 0 1 3 H 0 7 0 8 0 9 K Outer edge of the stamp hole 0 7 0 8 0 9 N Inner edge of the stamp hole 0 4 0 5 0 6 M 0 8 0 9 1 0 Figure 3 1 Mechanical Layout ...

Страница 13: ...l Level Description 1 nRESET I LVTTL Reset Active low Leave it floating if not in use 2 DEL I Interface selection pin If DEL is set low level SPI is available If DEL is set high or floating UART and I2 C become available 3 TIMEPULSE O LVTTL Time pulse 1PPS 4 NC Floating 5 RXD2 I LVTTL UART 2 receiving data 6 TXD2 O LVTTL UART 2 transmitting data 7 NC Floating 8 nRESET I LVTTL Reset Low active Leav...

Страница 14: ...ct D_SEL GND 19 SCL SPI CLK I2 C clock D_SEL VCC or floating SPI clock D_SEL GND 20 TXD1 SPI MISO O LVTTL SPI Master In Slave Out D_SEL GND UART TXD signal D_SEL VCC or floating 21 RXD1 SPI MOSI I LVTTL SPI Master Out Slave In D_SEL GND UART RXD signal D_SEL VCC or floating 22 V_BCKP I 1 7V 3 6V Backup voltage supply applicable for hot start If you do not use hot start connect V_BCKP to VCC Do NOT...

Страница 15: ...3 5 PCB Packaging 39 5 1 0 118 3 0 39 5 1 0 30 0 76 630 16 43 3 1 1 480 12 2 30 0 76 50 1 27 Figure 3 3 UM620N Recommended PCB Packaging unit mil in brackets mm When designing PCB solder mask make sure that the area under UM620N is completely coated with solder mask ...

Страница 16: ...500 pieces reel 4 3 Package Description The UM620N modules use carrier tape and reel suitable for mainstream surface mount devices packaged in vacuum sealed aluminum foil antistatic bags with a desiccant inside to prevent moisture When using reflow soldering process to solder the modules please strictly comply with IPC standard to conduct temperature and humidity control As packaging materials suc...

Страница 17: ...e 20 mm UM620N modules are rated at MSL level 3 Please refer to the relevant IPC JEDEC standards for baking requirements Users may access to the website www jedec org to get more information The shelf life of UM620N modules packaged in a vacuum sealed aluminum foil antistatic bags is one year 5 Clean DO NOT use alcohol or other organic solvents to clean the module which may lead to soldering flux ...

Страница 18: ...erature curve is recommended as shown in figure 6 1 below M705 GRN360 is recommended for solder paste Note The module can only be soldered once Figure 6 1 Reflow Soldering Temperature Curve Note The apertures in the stencil need to meet the customer s own design requirements and inspection specifications and the thickness of the stencil should be above 0 15 mm It is recommended to be 0 18 mm ...

Страница 19: ...星通科技北京有限公司 Unicore Communications Inc 北京市海淀区丰贤东路 7 号北斗星通大厦三层 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 ...

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