UNICORECOMM UM220-IV M0 Bedienungsanleitung

WWW.UNICORECOMM.COM

INSTALLATION AND OPERATION

USER MANUAL

Data subject to change without notice.

Communications, Inc.

UM220-IV M0

Positioning Module

Industry Grade Multi-GNSS

Revision History

Version

Revision

Date

Ver.1.0.0

Primary version

Jun.2018

Ver.1.0.1

Alpha release, Revised Pin definition

Oct.2018

Ver.1.0.2

Revised module size

Dec.2018

Ver.1.0.4

Beta release, align with Chinese version 1.0.4

Aug. 2019

R1.1

Chapter 6.2: add shelf life

Sep. 2019

R1.2

Chapter 6.2: revise the MSL instructions

Add CE logo

Jan. 2020

R1.3

Add a footnote to elaborate CEP

Oct. 2020

Hardware version 2.3 released, update the related

parameters

Dec. 2020

R2.1

Add the descriptions of SMT stencil

Jun. 2021

Disclaimer

Information in this document is subject to change without notices and does not

represent a commitment on the part of Unicore Communication, Inc. No part of this

manual may be reproduced or transmitted in any form or by any means, electronic or

mechanical, including photocopying and recording, for any purpose without the express

written permission of a duly authorized representative of Unicore Communications, Inc.

The information contained within this manual is believed to be true and correct at the

time of publication.

UM220-IV M0 User Manual

Foreword

This document offers you information in the features of the hardware, the installation,

specification and use of UNICORECOMM UM220-IV M0 product.

Readers It Applies to

This document is applied to the technicians who know GNSS Receiver to some extent

but not to the general readers.

Structure of the Document

This document includes the following:

Introduction: Briefly explaining the functions, performances and installing of the product

Installation: Containing 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

module disassembly introduction.

Package: Provide packing instructions of UM220-IV M0 modules

 
 
i
Contents 
1INTRODUCTION ....................................... 1 
1.1 OVERVIEW.........................................................................................................................1 
1.2 KEY FEATURES..................................................................................................................2 
1.3 INTERFACE........................................................................................................................3 
2PRODUCT INSTALLATION .............................. 4 
2.1 INSTALLATION PREPARATION............................................................................................4 
2.2 HARDWARE INSTALLATION................................................................................................5 
3TECHNICAL SPECIFICATIONS ........................... 6 
3.1 ELECTRICAL SPECIFICATIONS............................................................................................6 
3.2 OPERATION CONDITION.....................................................................................................6 
3.3 DIMENSIONS .....................................................................................................................6 
3.4 PIN DEFINITION (TOP VIEW)..............................................................................................7 
4HARDWARE DESIGN ................................... 8 
4.1 DESIGN IN CONSIDERATIONS .............................................................................................8 
4.2 AVOID POWER CONNECTION............................................................................................10 
4.3 ANTENNA........................................................................................................................10 
4.4 SERIAL PORT ..................................................................................................................11 
5DISASSEMBLY ....................................... 12 
6PACKAGE ........................................... 12 
6.1 PRODUCT LABEL DESCRIPTION........................................................................................12 
6.2 PACKAGE DESCRIPTION ..................................................................................................12 
7CLEAN .............................................. 14 
8REFLOW SOLDERING.................................. 14 
 
 
 
 
 
 
 
 
 
 

1Introduction

1.1 Overview

UNICORECOMM UM220-IV M0 is a dual-system GNSS module. It is designed on the

basis of UNICORECOMM’s low power, multisystem, high performance SoC-UFirebird

designed. It supports BDS B1+GPS L1 dual-system joint positioning and single system

positioning. UM220-IV M0 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. The radio equipment is in compliance with

Directive 2014/53/EU.

Figure 1-1 UM220-IV M0 Module

Model

Grade

System

Interface

Data

Updating

Rate

Industry

Automotive

GPS

BDS/GLONASS

UART1

UART2

UM220-IV M0

2310408000024

●

1Hz

UM220-IV M0 User Manual

1.2 Key Features

Power

Voltage

+2.8~3.6 VDC

Power Consumption

90mW

RF Input

Input VSWR

≤1.5

Input Impedance

50Ω

Antenna Gain

15～30dB

Physical Characters

Dimension

10.1*9.7*2.2mm

Environment

Operating Temperature

-40℃~ +85℃

Storage Temperature

-45℃~ +90℃

RoHS

Compliant

Input/output Data Interface

UART

1 UART, LVTTL. Baud rate 4800～115200bps

GNSS Performance

Frequency

BDS B1: 1561.098MHz

GPS L1: 1575.42MHz

TTFF

Cold Start: 28s

Hot Start: 1s

Reacquisition: 1s

AGNSS1: 4s

Positioning Accuracy2

2.0m (dual-system horizontal, open sky)

3.5m (dual-system vertical, open sky)

Velocity Accuracy (RMS)

0.1m/s (dual-system, Open sky)

Sensitivity

BDS

GPS

Tracking

-161dBm

Acquisition

-146dBm

-147dBm

Hot start

-154dBm

-155dBm

Reacquisition

-157dBm

-158dBm

1PPS Accuracy (RMS)

20ns

Data Updating Rate

1Hz

Data Output

NMEA 0183, Unicore Protocol

Assist date input

CEP, 50%

1.3 Interface

GNSS IC

SAW

TCXO

Battery

RTC

Crystal

RESET_N

UART

PPS

UM220-IV

LNA

Figure 1-2 Structure Chart

UART

UM220-IV M0 module supports data transfer and firmware upgrade; the signal

input/output level is LVTTL. The default baud rate is 9600bps, which is adjustable, and

can be configured up to 115200bps.

1PPS

UM220-IV M0 outputs 1PPS with adjustable pulse width and polarity.

UM220-IV M0 User Manual

2Product Installation

2.1 Installation Preparation

UM220-IV M0 modules are Electrostatic Sensitive Devices and require special

precautions when handling.

Follow the steps in section 2.2 in the correct order.

Electrostatic discharge (ESD) may cause damage to the device. All operations

mentioned in this chapter should be carried out on an antistatic workbench,

wear an antistatic wrist strap and use a conductive foam pad. If an antistatic

workbench is not available, wear an antistatic wrist strap and connect the other

end to a metal frame to play a role in anti-static.

Hold the edge of the module, not in direct contact with the components.

Please check carefully whether the module has obviously loose or damaged

components. If you have questions, please contact us or your local dealer.

Figure 2-1 shows the typical installation of UM220-IV M0 EVK suites.

Figure 2-1

Please check the contents of the package carefully after receiving the package of

UM220-IV M0:

UM220-IV M0 EVK suite（with AC Adapter）

UM220-IV M0 User manual.

uSTAR application package.

Antenna.

Antenna connection cable

Direct serial cable

PC

UM220-IV M0

Antenna

Please keep the box and anti-static plastic bags for storage and handling.

2.2 Hardware Installation

After the above preparations are complete, follow the steps below to install:

Step 1：Make sure to take full anti-static measures, such as wearing an anti-static

wrist strap, grounding the workbench;

Step 2：Open the UM220-IV M0 evaluation kit;

Step 3：Select the GNSS antenna with appropriate gain, fix it in the non-block area,

using the appropriate cable to connect the antenna to UM220 EVK;

Step 4：Connect the PC to the EVK serial port through direct serial cable;

Step 5：Power the evaluation board and initialize the UM220-IV M0;

Step 6：Open the uSTAR

Step 7：Controlled the receiver through uSTAR to display constellations view, log

messages, and receiver status.

UM220-IV M0 User Manual

3Technical Specifications

3.1 Electrical Specifications

Absolute Maximum Ratings

Item

Min

Max

Unit

Condition

Power Supply (VCC)

Vcc

-0.5

3.6

VCC Ripple

Vrpp

Digital IO

Vin

-0.5

Vcc +0.2

Storage Temperature

Tstg

-45

℃

MSD (MSL)

□Level 1 □Level 2 ■Level 3 □TBD

3.2 Operation Condition

Item

Min

Typical

Value

Max

Unit

Condition

Power Supply (VCC)

Vcc

2.8

3.3

3.6

Peak Current

Iccp

Vcc=3.0 V

Tracking Average

Current

IACQ

Vcc=3.0V

Low Level Input Voltage

Vin_low

0.7

High Level Input

Voltage

Vin_high

1.2

Low Level Output

Voltage

Vout_low

0.4

Iout=-8 mA

High Level Output

Voltage

Vout_high

Vcc–0.4

Iout=8 mA

Antenna Gain

Gant

Nosie Figure

Nftot

Operation Temperature

Topr

-40

℃

3.3 Dimensions

Table 3-1: Dimensions

Symbol

Min (mm)

Typical Value (mm)

Max (mm)

9.6

10.1

10.7

9.55

9.7

9.85

1.9

2.0

2.1

0.55

0.65

0.95

1.0

1.1

1.2

0.5

0.6

0.7

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