UNICORECOMM UM220-IV M0 User Manual Download Page 7 | Manualshive

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3

1.3

Interface

GNSS IC

SAW

TCXO

Battery

RTC

Crystal

RESET_N

UART

PPS

UM

2

2

0

-I

V

M
0

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.

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Summary of Contents for UM220-IV M0

Page 1: ...WWW UNICORECOMM COM INSTALLATION AND OPERATION USER MANUAL Data subject to change without notice Communications Inc UM220 IV M0 Copyright 2009 2021 Unicore Positioning Module Industry Grade Multi GNSS...

Page 2: ...ec 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 Commun...

Page 3: ...aders 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 pr...

Page 4: ...HNICAL SPECIFICATIONS 6 3 1 ELECTRICAL SPECIFICATIONS 6 3 2 OPERATION CONDITION 6 3 3 DIMENSIONS 6 3 4 PIN DEFINITION TOP VIEW 7 4 HARDWARE DESIGN 8 4 1 DESIGN IN CONSIDERATIONS 8 4 2 AVOID POWER CONN...

Page 5: ...nd 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...

Page 6: ...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 o...

Page 7: ...e 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 configu...

Page 8: ...s 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 che...

Page 9: ...ding 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 UM...

Page 10: ...on Power Supply VCC Vcc 2 8 3 3 3 6 V Peak Current Iccp 53 mA Vcc 3 0 V Tracking Average Current IACQ 29 30 31 mA Vcc 3 0V Low Level Input Voltage Vin_low 0 7 V High Level Input Voltage Vin_high 1 2 V...

Page 11: ...9 1 0 1 1 K 0 6 0 7 0 8 M 0 7 0 8 0 9 Figure 3 1 Mechanical Layout 3 4 Pin Definition Top 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...

Page 12: ...section 15 NC I O Reserve 16 NC I O Reserve 17 NC I O Reserve 18 NC I O Reserve 4 Hardware Design 4 1 Design in Considerations To make UM220 IV M0 work normally you need to properly connect the follow...

Page 13: ...igh power or high inductance devices such as a magnetic coil UART interfaces Ensure that the signals and baud rate of main equipment match that of UM220 IV M0 module Antenna interface Make sure the an...

Page 14: ...sistor to TX and a 4 7K resistor to other necessary PIO in the Pin 4 3 Antenna If UM220 IV M0 uses a 3V active antenna it is recommended to use the VCC_RF pin output to power the antenna through a fee...

Page 15: ...Figure 4 3 UM220 IV M0 Passive Antenna Solution 4 4 Serial Port UM220 IV M0 has one LVTTL serial port for PC connection please use a RS232 voltage level converter UM220 IV M0 PC RS232 UART1 RS232 1 F...

Page 16: ...the module may lead to module damage 6 Package 6 1 Product Label Description 6 2 Package Description The UM220 IV M0 modules are packaged in vacuum sealed aluminum foil anti static bags with desiccant...

Page 17: ...pe Space between 20mm Check the humidity indicator card before soldering The 30 indication is blue under normal conditions as shown in figure 6 2 Bake modules firstly before soldering if the 30 indica...

Page 18: ...oid 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...

Page 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...

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