Related Manuals for unicore UM220-IV NL
Summary of Contents for unicore UM220-IV NL
- Page 1 INSTALLATION AND OPERATION USER MANUAL WWW.UNICORE.COM UM220-IV NL Industry Grade Multi-GNSS Positioning Module Copyright© 2009-2024, Unicore Communications, Inc. Data subject to change without notice.
- Page 2 Modify the description of “order code” to “sub-model” Jan. 2024 Legal right notice This manual provides information and details on the products of Unicore Communication, Inc. (“Unicore”) referred to herein. All rights, title and interest to this document and the information such as data, designs,...
- Page 3 Information, such as product specifications, descriptions, features and user guide in this manual, are subject to change by Unicore at any time without prior notice, which may not be completely consistent with such information of the specific product you purchase.
- Page 4 Foreword This document offers you information in the features of the hardware, the installation, specification and use of Unicore UM220-IV NL product. Reader it applies to This document is applied to the technicians who know GNSS Receiver to some extent but not to the general readers.
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Page 5: Table Of Contents
UM220-IV NL User Manual Contents 1 Introduction ................1 Overview ......................1 Key Features ....................2 Interface ......................3 2 Product Installation ..............4 Installation Preparation ................. 4 Hardware Installation ..................5 3 Technical Specifications ............6 Electrical Specifications ................6 Operation Condition .................. -
Page 6: Introduction
QZSS signal. The module supports AGNSS, which can reduce the positioning time with the help of assisted data service when connected to network. UM220-IV NL is compact in size, with SMT pads, and supports fully automatic integration of standard pick-and-place and reflow soldering, especially suitable for low cost and low power consumption fields. -
Page 7: Key Features
UM220-IV NL User Manual 1.2 Key Features Power Voltage +3.0~3.6 VDC Power consumption 50mW RF Input Input VSWR ≤2.5 Input impedance 50Ω Antenna gain 15～30dB Physical Characteristics Dimension 16.0*12.2*2.4mm Weight 0.8g Environment Operating Temperature -40˚C ~ +85˚C Storage Temperature -45˚C ~ +90˚C... -
Page 8: Interface
Figure 1-2 Structure Chart UART UM220-IV NL module COM1 is the primary serial port, which supports data transfer and firmware upgrade. The signal input/output level is LVTTL. The default baud rate varies according to the version of firmware, and the baud rate can be configured up to 115200bps . -
Page 9: Product Installation
Please check carefully whether the module has obviously loose or damaged components. If you have any questions, please contact us or your local dealer. Figure 2-1 shows the typical installation of UM220-IV NL EVK suites Antenna Receiver or EVK with... -
Page 10: Hardware Installation
UM220 EVK. Step 4: Connect the PC to the EVK serial port through the straight-through serial cable. Step 5: Power the evaluation board and initialize the UM220-IV NL. Step 6: Open the uSTAR. -
Page 11: Technical Specifications
UM220-IV NL User Manual 3 Technical Specifications 3.1 Electrical Specifications Absolute Maximum Rating Item Symbol 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... -
Page 12: Dimensions
3.3 Dimensions Symbol Min (mm) Typical (mm） Max (mm) 15.9 16.0 16.5 12.05 12.2 12.35 K (Outside the hole) N (Inside the hole) Figure 3-1 Mechanical Layout... -
Page 13: Pin Definition (Top View)
Top View RXD2 TXD2 GPIO2 TXD1 RXD1 V_BCKP TIME PULSE AADET_N nRESET Figure 3-2 UM220-IV NL Top View Name Electrical level Description For reset, Low level active, if you do nRESET LVTTL not use the pin, please leave it floating AADET_N... -
Page 14: Pcb Packaging
Main power — Ground 3.5 PCB Packaging Figure 3-3 UM220-IV NL Recommended PCB Packaging（unit: mil，in brackets: mm） In the design of PCB solder, make sure that the area under the UM220-IV NL module is fully covered with solder mask. -
Page 15: Hardware Design
UM220-IV NL User Manual 4 Hardware Design 4.1 Design in Considerations To ensure that UM220-IV NL works properly, please pay attention to the following: Recommended to connect 1 KΩ resistance at RX serial ports, and 33 Ω or 1 KΩ... -
Page 16: Avoid Power Leakage
high-temperature air and high-power heating devices as possible. 4.2 Avoid Power Leakage When the module is not powered on, if there is data input at the input ports (including RXD and GPIO), it will cause power leakage on the VCC. When the leakage voltage is higher than 1.6 V, it may cause failure of starting up when the module is powered on. -
Page 17: Antenna
VCC or connected to backup power. 4.4 Antenna If the UM220-IV NL uses an active antenna, the bias voltage V_BIAS is supplied to the antenna through a feed inductor. It’s recommended to use an independent power as V_BIAS to supply the antenna. -
Page 18: Reset
4.5 Reset If the reset pin nRESET of UM220-IV NL module needs to be used, the following timing requirements must be met between the nRESET and the power supply VCC. During normal operation of the module, pulling down the nRESET pin over 5 ms can also reset the module. -
Page 19: Disassembly
Sub-model 6.2 Package Description The UM220-IV NL module is packaged in vacuum sealed aluminum foil anti-static bags 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 20 6-2. Bake modules firstly before soldering if the 30% indication turns pink, as shown in figure 6-3. The UM220-IV NL modules are rated at MSL level 3. For more MSL information, please refer to www.jedec.org.
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Page 21: Clean
UM220-IV NL User Manual Figure 6-3 the 30% indication is pink The shelf life of UM220-IV NL is one year. 7 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. -
Page 22: 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 soldering. Reflow soldering temperature curve is recommended as shown in figure 8-1 below (M705-GRN360 is recommended for solder paste). Note: The module can be soldered only once. - Page 23 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.unicore.com Phone: 86-10-69939800 Fax: 86-10-69939888 info@unicorecomm.com www.unicore.com...