UNICORECOMM UM220-IV M0 Скачать руководство пользователя

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Figure 6-3 the 30% indication is pink

The shelf life of UM220-IV M0 is one year.

Clean

Do not use alcohol or other organic solvents to clean, it may lead to fluk residues into

the shielding shell, causing mildew and other problems.

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). Note: the module

can only be welded once.

Figure 8-1 Reflow Soldering Line

Содержание UM220-IV M0

Страница 1: ...WWW UNICORECOMM COM INSTALLATION AND OPERATION USER MANUAL Data subject to change without notice Copyright 2009 2020 Unicore Communications Inc GNSS Positioning Module UM220 IV M0...

Страница 2: ...ces 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...

Страница 3: ...ers Structure of the Document This document includes the following Introduction Briefly explaining the functions performances and installing of the product Installation Contains the list of the produc...

Страница 4: ...ECHNICAL SPECIFICATIONS 5 3 1 ELECTRICAL SPECIFICATIONS 5 3 2 OPERATION CONDITION 5 3 3 DIMENSIONS 5 3 4 PIN DEFINITION TOP VIEW 6 4 HARDWARE DESIGN 7 4 1 DESIGN IN CONSIDERATIONS 7 4 2 AVOID POWER CO...

Страница 5: ...d used 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...

Страница 6: ...ot Start 1s Reacquisition 1s AGNSS1 4s Positioning accuracy 2 0m CEP dual system horizontal open sky 3 5m CEP dual system vertical open sky Velocity accuracy RMS 0 1m s dual system Open sky Sensitivit...

Страница 7: ...ctrostatic discharge ESD may cause damage to the device All operations mentioned in this chapter shall be carried out in an antistatic workbench using both wearing an antistatic wrist strap and a cond...

Страница 8: ...e follow the steps below to install Step 1 Make sure to make full anti static measures such as anti static wrist strap grounding the workbench Step 2 Open the UM220 IV M0 evaluation kit Step 3 Select...

Страница 9: ...Vcc 2 8 3 3 3 6 V Peak current Iccp 37 mA Vcc 3 0 V Tracking average current IACQ 19 20 21 mA Vcc 3 0V Low level input voltage Vin_low 0 7 V High level input voltage Vin_high 1 2 V Low level output v...

Страница 10: ...View GND NC VCC_RF NC NC RXD TIMEPULSE GND TXD GND nRESET NC NC RF_IN NC V_BCKP VCC_IO VCC Top View 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 Figure 3 2 UM220 IV M0 No Name I O Electrical level De...

Страница 11: ...CC power off and then on the power off time must be more than 10ms Recommended in serial concatenated RX place 1K resistance TX concatenated 33 or 1 K resistance other need PIO concatenated 4 7K resis...

Страница 12: ...sensitive device dramatic changes in temperature will result in reduced performance keep it as far away from the high power high temperature air and heating devices as possible 4 2 Avoid Power Connec...

Страница 13: ...2 UM220 IV M0 Active Antenna Other than 3v Solution If UM220 IV M0 uses passive antenna the antenna is directly connected to RF_IN pin while VCC_RF can be suspended It should be noted that the use of...

Страница 14: ...UM220 IV M0 User Manual 10 UM220 IV M0 PC RS232 UART1 RS232 1 Figure 4 4 Connect COM to PC...

Страница 15: ...M0 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...

Страница 16: ...m Carrier tape Space between 20mm Check the humidity indicator card before soldering The 30 indication is blue for normal conditions as shown in figure 6 2 Bake modules firstly before soldering if the...

Страница 17: ...the shielding shell causing mildew and other problems 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 t...

Страница 18: ...UM220 IV M0 User Manual 14...

Страница 19: ...www unicorecomm com Unicore Communications Inc www unicorecomm com Phone 86 10 69939800 Fax 86 10 69939888 info unicorecomm com 7 F3 No 7 Fengxian East Road Haidian Beijing P R China 100094...