Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for UNICORECOMM UM621N
Summary of Contents for UNICORECOMM UM621N
- Page 1 INSTALLATION AND OPERATION USER MANUAL WWW.UNICORECOMM.COM UM621N Automotive Grade Dual-frequency Multi-GNSS Integrated Positioning Module Copyright© 2009-2022, Unicore Communications, Inc. Data subject to change without notice.
- Page 2 Unicore holds the trademarks of “和芯星通”,“UNICORECOMM” and other trade name, trademark, icon, logo, brand name and/or service mark of Unicore products or their product serial referred to in this manual (collectively “Unicore Trademarks”).
- Page 3 UM621N User Manual Foreword This document describes the information of the hardware, installation, specification and the use of Unicore UM621N modules. Document Structure 1. Product introduction 2. Installation guide 3. Technical specifications 4. Package 5. Clean 6. Reflow soldering...
-
Page 4: Table Of Contents
Contents Introduction ....................1 Overview ......................1 Key Specifications ....................2 Interfaces ......................4 Product Installation .................. 5 Preparations ......................5 Hardware Installation ..................6 Technical Specifications ................7 Electrical Specifications ..................7 Operational Conditions ..................7 Dimensions ......................8 Pin Definition ....................... -
Page 5: Introduction
GNSS+MEMS combined positioning results continuously even in tunnels and underground garages. The chip of UM621N conforms to the requirements of AEC-Q100, and the manufacturing process is in line with IATF 16949. Data... -
Page 6: Key Specifications
1.2 Key Specifications Power Voltage +2.7 V~3.6 V DC Power Consumption 330 mW RF Input Constellations GPS/GLONASS/BDS/Galileo/QZSS/NAVIC (IRNSS) Standing Wave Ratio ≤2.5 Input Impedance 50 Ω Antenna Gain 15 dB ~ 30 dB Physical Characteristics Dimensions 16.0 mm*12.2 mm*2.4 mm Environmental Specification Operating Temperature -40 ˚C ~ +85 ˚C... - Page 7 UM621N User Manual Cold Start Time to First Fix Hot Start (TTFF) Reacquisition Horizontal Positioning 1.5 m CEP (dual-frequency quad-constellation, open sky) Accuracy Velocity Accuracy (RMS) 0.1 m/s INS Positioning Error 3D gyro + 3D accelerometer + speed signal 2%...
-
Page 8: Interfaces
Figure 1-1 UM621N Block Diagram UART UART1 is the main serial port of UM621N, supporting data transmission and firmware upgrade, and the signal input/output voltage level is LVTTL. The baud rate can be configured by users flexibly, and the maximum is 460800bps. -
Page 9: Product Installation
UM621N User Manual 2 Product Installation 2.1 Preparations UM621N modules are Electrostatic Sensitive Devices (ESD) and must be installed with special precautions when handling. Please take the following protective measures before opening the anti-static plastic box. Follow the steps in section 2.2 in the correct order. -
Page 10: Hardware Installation
Step 1: Make sure to take full anti-static measures, such as wearing an anti-static wristband and grounding the workbench. Step 2: Open the UM621N 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;... -
Page 11: Technical Specifications
UM621N User Manual 3 Technical Specifications 3.1 Electrical Specifications Absolute Maximum Ratings Item Unit Description Power Supply (VCC) -0.5 Main power supply Backup Voltage (V_BCKP) -0.5 Backup power supply for RTC Voltage of the digital signal Digital IO Voltage -0.5... -
Page 12: Dimensions
3.3 Dimensions The dimensions of UM621N are as follows: Parameter Min (mm) Typical (mm) Max (mm) 15.9 16.0 16.5 12.05 12.2 12.35 K (Outer edge of the stamp hole) N (Inner edge of the stamp hole) Figure 3-1 Mechanical Layout Technical Specifications UC-00-M51 EN R1.0... -
Page 13: Pin Definition
UM621N User Manual 3.4 Pin Definition Figure 3-2 Pin Assignment Electrical Name Description Level Reset pin, active low. nRESET LVTTL Keep it floating if not in use. Interface selection pin. If DEL is set low level, SPI is available. —... - Page 14 Electrical Name Description Level Antenna feed output. It is recommended to use an external VCC_RF power supply rather than the VCC_RF pin to feed the antenna. — — Ground RF_IN — GNSS signal input — — Ground — — Ground LNA_EN —...
-
Page 15: Pcb Packaging
50 (1.27) 480 (12.2) Figure 3-3 UM621N Recommended PCB Packaging (unit: mil, in brackets: mm） When designing PCB solder mask, make sure that the area under UM621N is completely coated with solder mask. 4 Package 4.1 Label Description Product Model... -
Page 16: Package Description
Width: 24 mm Thickness: 2.0 mm Carrier Tape Space between (center-to-center distance): 20 mm UM621N 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 get more information. -
Page 17: Clean
UM621N User Manual 5 Clean DO NOT use alcohol or other organic solvents to clean, which may lead to soldering flux residues flooding into the shielding shell, causing mildew and other problems. 6 Reflow Soldering In order to avoid the device falling off, the module should be placed on the top of the main board during soldering. - Page 18 和芯星通科技（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...
Need help?
Do you have a question about the UM621N and is the answer not in the manual?
Questions and answers