UNICORECOMM UM220-IV NV User Manual
Gnss positioning module
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Summary of Contents for UNICORECOMM UM220-IV NV
- Page 1 INSTALLATION AND OPERATION USER MANUAL WWW.UNICORECOMM.COM UM220-IV NV GNSS Positioning Module Copyright© 2009-2020, Unicore Communications, Inc. Data subject to change without notice.
- Page 2 Revision History Version Revision History Date Primary.《Unicorecomm UM220-IV NV-GN user manual》 Ver. 1.0 .0 Dec.2017 Version 1.0 Alpha release. Update definition name and performance Ver. 1.0.1 Oct.2018 parameter of pins Alpha release. Update reflow soldering information; Update Ver. 1.0.2 product label description;...
- Page 3 Installation: Contains the list of the product package and the details of product installation Technical Specification: Offering technical specifications of the product Hardware Specification: Offering all the information of hardware interface of the product Mechanical Features: Offering UM220-IV NV-GN dimensions, layout, and top views.
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Page 4: Table Of Contents
Contents 1 INTRODUCTION ................1 ..........................1 VERVIEW ........................... 2 EATURES ..........................3 NTERFACE 2 PRODUCT INSTALLATION ............... 3 ....................... 3 NSTALLATION REPARATION ......................4 ARDWARE NSTALLATION 3 TECHNICAL SPECIFICATIONS ............5 ....................... 5 LECTRICAL PECIFICATIONS ....................... 5 PERATION ONDITION .......................... -
Page 5: Introduction
QZSS signal can be received. And support AGNSS. In the case of networking, the positioning speed is improved through UNICORECOMM assist data service. UM220-IV NV-GN is compact in size and uses SMT pads to support fully automatic integration of standard discharge and reflow soldering, especially suitable for low cost and low power consumption fields. -
Page 6: Key Features
UM220-IV NV-GN User Manual 1.2 Key Features Power Voltage +2.8~3.6 VDC Power Consumption 90mW RF Input Input VSWR ≤2.5 Input impedance 50Ω Antenna gain 15～30dB Physical Characters Dimension 16.0*12.2*2.4mm Weight 0.8g Environment Operating Temperature -40℃ ~ +85℃ Storage Temperature -45℃ ~ +90℃... -
Page 7: Interface
Figure 1-2 Structure Chart UART UM220-IV NV-GN module COM1 is the primary serial port, which supports data transfer and firmware upgrade function. The signal input/output level is LVTTL. The default baud rate is 115200bps, and is adjustable, can be configured up to 460800bps. During design in, please ensure that COM1 is connected to a PC or an external processor for firmware upgrades. -
Page 8: Hardware Installation
Receiver or the built-in UM220-IV NV-GN EVK Figure 2-1 Please check the contents of the package carefully after receiving the package of UM220-IV NV- UM220-IV NV-GN EVK suite（with AC Adapter） UM220-IV NV-GN User manual uSTAR application package ... -
Page 9: Technical Specifications
3 Technical Specifications 3.1 Electrical Specifications Absolute Maximum Ratings Item Unit Condition Power Supply(VCC) -0.5 VCC Ripple Vrpp Digital IO -0.5 Vcc +0.2 Storage Temperature Tstg ℃ □Level 1 □Level 2 ■Level 3 □TBD 3.2 Operation Condition Item Typical Unit Condition Power Supply(VCC) Peak current... -
Page 10: Pin Definition（Top View
UM220-IV NV-GN User Manual Figure 3-1 Mechanical Layout 3.4 Pin Definition（Top View） Figure 3-2 UM220-IV NV-GN Top View Name Electrical level Description For reset, Low level active, if you do not use nRESET LVTTL the pin, please leave it hanging... -
Page 11: Pcb Packaging
2.8V~3.6 V Main power — Ground 3.5 PCB Packaging Figure 3-3 UM220-IV NV-GN Recommended PCB Packaging (unit: mil, in brackets: mm) In the design of PCB solder, make sure the area the UM220-IV NV-GN modules are fully covered with solder layer... -
Page 12: Hardware Design
UM220-IV NV-GN User Manual 4 Hardware Design 4.1 Design in Considerations To make UM220-IV NV-GN to work properly, you need to properly connect the following： Connect all the GND pins to ground. Connect the RF_IN signal to the antenna, and the line will keep 50Ω impedance matching ... -
Page 13: Avoid Power Connection
UM220 -IV NV-GN VCC_RF Figure 4-1 UM220-IV NV-GN Active Antenna +3V Solution If the UM220-IV NV-GN uses an active antenna other than +3V, the bias voltage required by the antenna V_BIAS is supplied to the antenna through a feed inductor. RF_IN... -
Page 14: Serial Port
UM220-IV NV-GN User Manual Figure 4-3 UM220-IV NV-GN Passive Antenna Solution 4.4 Serial Port UM220-IV NV-GN have two LVTTL serial port, for PC connection, please use a RS232 voltage level converter. UART1 RS232 1 UM220-IV RS232 NV-GN UART2 RS232 2... -
Page 15: Package
6.1 Product Label Description 6.2 Package Description The UM220-IV NV-GN module is packaged in vacuum sealed aluminum foil anti-static bag with desiccant and moisture-proof agent. When using reflow welding process to weld modules, please strictly comply with IPC standard to conduct humidity control on modules. -
Page 16: Clean
6-2. Bake modules firstly before soldering if the 30% indication turns pink, as shown in figure 6-3. The UM220-IV NV-GN modules are rated at MSL level 3, for more MSL information, please refer to www.jedec.org. -
Page 17: Reflow Soldering
8 Reflow Soldering In order to avoid device falling off, the module should be placed on the top of the main board during welding. Reflow soldering temperature curve is recommended as shown in figure 8-1 below (M705-GRN360 is recommended for solder paste). Figure 8-1 Reflow Soldering Profile... - 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 www.unicorecomm.com...
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