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Related Manuals for UNICORECOMM UM982
Summary of Contents for UNICORECOMM UM982
- Page 1 INSTALLATION AND OPERATION USER MANUAL WWW.UNICORECOMM.COM UM982 GPS/BDS/GLONASS/Galileo/QZSS All-constellation Multi-frequency High Precision Positioning & Heading 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 UM982 User Manual Should you purchase our product and encounter any inconsistency, please contact us or our local authorized distributor for the most up-to-date version of this manual along with any addenda or corrigenda.
- Page 4 Foreword This document describes the information of the hardware, package, specification and the use of Unicore UM982 modules. This is only a draft version, for reference only. Target Readers This document applies to technicians who possess the expertise on GNSS receivers.
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Page 5: Table Of Contents
UM982 User Manual Contents Introduction ....................1 Key Features ........................2 Key Specifications ......................2 Block Diagram ........................5 Hardware ....................6 Dimensions ........................6 Pin Definition ........................8 Electrical Specifications ....................11 2.3.1 Absolute Maximum Ratings ..................11 2.3.2 Operational Conditions ....................11 2.3.3 IO Threshold ....................... -
Page 6: Introduction
L1/L2/L5. The module is mainly used in UAVs, lawn mowers, precision agriculture, and intelligent driving. With the support of on-chip RTK positioning and dual-antenna heading solution, UM982 can be used as a rover or base station. UM982 is based on NebulasⅣ... -
Page 7: Key Features
UM982 User Manual Key Features 16 mm 21 mm mm, surface-mount device × × Supports all-constellation multi-frequency on-chip RTK positioning and dual- antenna heading solution Supports BDS B1I/B2I/B3I + GPS L1/L2/L5 + GLONASS L1/L2 + Galileo E1/E5a/E5b ... - Page 8 Power Consumption 600 mW Performance Single Point Horizontal: 1.5 m Positioning Vertical: 2.5 m (RMS) Horizontal: 0.4 m + 1ppm Positioning Accuracy DGPS (RMS) Vertical: 0.8 m + 1ppm Horizontal: 0.8 cm + 1 ppm RTK (RMS) Vertical: 1.5 cm + 1 ppm Observation Accuracy (RMS) GLONASS Galileo...
- Page 9 UM982 User Manual 20 Hz Positioning & Heading Data Update Rate 20 Hz Raw Data observation Differential Data RTCM 3.X Data Format NMEA-0183, Unicore Physical Characteristics Package 48 pin LGA Dimensions 21 mm × 16 mm × 2.6 mm Weight 1.82 g ±...
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Page 10: Block Diagram
RTK co-processor, which can fulfill the high precision baseband processing and RTK positioning/heading independently. 1PPS UM982 outputs 1 PPS with adjustable pulse width and polarity. Event UM982 provides the Event Mark Input with adjustable frequency and polarity. UC-00-M31 EN P1.0.0 Introduction... -
Page 11: Hardware
UM982 User Manual Reset (RESET_N) Active LOW, and the active time should be no less than 5 ms. 2 Hardware Dimensions Table 2-1 Dimensions Parameter Min. (mm) Typ. (mm) Max. (mm) 20.80 21.00 21.50 15.80 16.00 16.50 2.40 2.60 2.80... - Page 12 Figure 2-1 UM982 Mechanical Dimensions UC-00-M31 EN P1.0.0 Hardware...
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Page 13: Pin Definition
Pin Definition ANT2_PWR TXD2 Top View RXD2 ANT1_PWR TXD1 RXD1 RTK_STAT PVT_STAT ERR_STAT Figure2-2 UM982 Pin Definition Table 2-2 Pin Description Description — Ground ANT1_IN GNSS master antenna signal input — Ground — Ground When the main power supply VCC is cut off, V_BCKP supplies power to RTC and SRAM. - Page 14 Description SPIS_CSN Chip select input of SPI slave SPIS_MOSI Data input of SPI slave SPIS_CLK Clock input of SPI slave SPIS_MISO Data output of SPI slave SPIS_SDRY Interrupt output of SPI slave — Reserved, floating — Reserved, floating — Reserved, floating Abnormal indicator: active high;...
- Page 15 UM982 User Manual Description cannot connect ground or power supply, and cannot be peripheral I/O or floating Built-in function; recommended to add a through- hole testing point and a 10 kΩ pull-up resistor; — cannot connect ground or power supply, and...
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Page 16: Electrical Specifications
Description — Reserved, floating — Reserved, floating — Reserved, floating Electrical Specifications 2.3.1 Absolute Maximum Ratings Table 2-3 Absolute Maximum Ratings Parameter Symbol Min. Max. Unit Power Supply Voltage -0.3 Input Voltage -0.3 Master/Slave Antenna ANT1_PWR -0.3 Power Supply /ANT2_PWR Master/Slave Antenna ANT1_IN/ANT2_IN -0.3... -
Page 17: Io Threshold
UM982 User Manual Parameter Symbol Min. Typ. Max. Unit Condition Operating Temperature ° C Power Consumption 2.3.3 IO Threshold Table 2-5 IO Threshold Parameter Symbol Min. Typ. Max. Unit Condition Low Level Input VCC × 0.2 in_low Voltage High Level Input VCC ×... -
Page 18: Hardware Design
3 Hardware Design Antenna Feed Design UM982 supports feeding the antenna both from the inside and outside of the module. However, in order to effectively protect the module from lightning strike and surge, it is strongly recommended to feed from the outside. -
Page 19: Grounding And Heat Dissipation
UM982 User Manual Grounding and Heat Dissipation Grounding and heat dissipation pad Figure 3-2 Grounding and Heat Dissipation Pad The 35 pads in the rectangle in Figure 3-2 are for grounding and heat dissipation. In the PCB design, it is recommended to connect them to a large sized ground to strengthen the heat dissipation. -
Page 20: Production Requirement
4 Production Requirement Recommended soldering temperature curve is as follows: Figure 4-1 Soldering Temperature (Lead-free) Temperature Rising Stage Rising slope: Max. 3 ° C/s Rising temperature range: 50 ° C ~ 150 ° C Preheating Stage Preheating time: 60s ~ 120 s ... -
Page 21: Packaging
Figure 5-1 Label Description Product Packaging The UM982 module uses 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 modules, please strictly comply with IPC standard to conduct temperature and humidity control. - Page 22 Figure 5-2 UM982 Package Reel Feed Direction Cover Tape Carrier Tape Dimensions 0.35 1.75± 0.10 20.20± 0.10 40.40± 0.10 330*100*44 2.00± 0.10 16.8 0.10 1.50 ± 0.00 +0.10 1.50 4.00± 0.10 -0.00 40.00± 0.20 10Po 44.00± 0.30 C(3:1) 24.00± 0.10 Note: 16.80±...
- Page 23 Figure 5-4 Normal Humidity Indication Figure 5-5 Abnormal Humidity Indication The UM982 is rated at MSL level 3. Refer to the relevant IPC/JEDEC J-STD-020 standards for the package and operation requirements. You may access to the website www.jedec.org to get more information.
- Page 24 The shelf life of the UM982 module packaged in vacuum-sealed aluminum foil antistatic bags is one year. UC-00-M31 EN P1.0.0 Packaging...
- Page 25 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...