UNICORECOMM UM220-IV M0 Programming manual

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Data subject to change without notice.
Communications, Inc.
QUICK GUIDE
INSTALLATION AND OPERATION
Module Evaluation Kit
Navigation and Positioning
UM220-IV M0
Copyright© 2009-2021, Unicore

i
Revision History
Version
Revision History
Date
R1
Initial release revision
Jun. 2020
R1.1
Fix Typo
Jun. 2021
Disclaimer
Information in this document is subject to change without notice and does not
represent a commitment on the part of Unicore Communications, 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.
UNICORECOMM, and UFirebird are registered trademarks of Unicore Communications,
Inc. All other brands/product names are trademarks or registered trademarks of their
respective companies.
© Copyright 2009-2021 Unicore Communications, Inc. All rights RSV.

UM220-IV M0 EVK Suite Quick Guide
ii
Preface
This document contains the contents related to UM220-IV M0 EVK, and can be used in
conjunction with uSTAR Introduction.
Audience
This document is intended to present an overview of UM220-IV M0 EVK. The audience
is expected to possess the expertise on GNSS receivers.

i
Contents
1Overview...................................................................................................................................1
2EVK Introduction......................................................................................................................1
3Interface ...................................................................................................................................1
4Indicator ...................................................................................................................................2

UC-08-E23 EN R1.1 Overview 1
1Overview
UM220-IV M0 evaluation board (hereinafter referred to as EVK board) is mainly used to
test and evaluate the function and performance of UM220-IV M0 module for user
convenience.
2EVK Introduction
UM220-IV M0 EVK Suit is shown as follows:
Figure 2- 1 UM220-IV M0 EVK Suit
3Interface
The interfaces of UM220-IV M0 EVK Suit are shown in the figure below, and the detailed
description is shown in Table 3-1.
Figure 3-1 Interfaces of UM220-IV M0 EVK Suit

UM220-IV M0 EVK Suite Quick Guide
UC-08-E23 EN R1.1 Indicator 2
Table 3- 1 Interfaces on the EVK Board
Interface
Type
Description
S1
Reset switch
Reset the module by a jumper cap
S2
Antenna feed switch
Control the antenna feed on and off
by a jumper cap
ANT
RF input connector
Antenna signal input
USB
Micro-USB connector
Power supply (+5V), and data
communication
SD-card
SD-card socket
Install SD memory card
UART
Communication DB9
connector
Backup serial communication
interface, 232 level
4Indicator
Table 4-1 lists indicators on the UM220-IV M0 EVK board.
Table 4- 1 Indicators on the UM220-IV M0 EVK Board
Indicator
Type
Description
L1
Power supply/1PPS indicator
The indicator lights up when
the connector is powered,
and flashes when the 3D
positioning is valid.

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