USGlobalsat EM-5318 User Manual

GLOBALSAT GPS Module

User Manual

Product No : EM-5318

Version 1.0

Issue Date

2013/06/05

APPR

Ray

GlobalSat WorldCom Corporation

16F., No. 186, Jian-Yi Road, Chung-Ho City, Taipei

Hsien 235, Taiwan

Tel: [phone] Fax: [phone]

E-mail : [e-mail]

Website: www.globalsat.com.tw

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EM-5318
High Performance GPS Module

Product Description

Product Description

EM-5318 GPS module features high sensitivity, low power and ultra small form factor. This GPS

module is powered by SiRF Star IV, it can provide you with superior sensitivity and performance

even in urban canyon and dense foliage environment. With SiRF CGEE (Client Generated

Extended Ephemeris) technology, it predicts satellite positions for up to 3 days and delivers

CGEE-start time of less than 15 seconds under most conditions, without any network assistance.

Besides, Micro Power Mode allows GPS module to stay in a hot-start condition nearly

continuously while consuming very little power. EM-5318 is suitable for the following applications:

 Automotive navigation

 Personal positioning

 Fleet management

 Mobile phone navigation

 Marine navigation

 Notebook navigation

Product Features

 SiRF Star IV high performance GPS Chipset
 Very high sensitivity (Tracking Sensitivity: chipset -163dBm )
 Extremely fast TTFF (Time To First Fix) at low signal level
 Support UART(bidirectional transmission)/I2C(unidirectional transmission)

interface( Default UART)

 Build-in MMCX connector for external active antenna.
 Compact size (30.0mm x 30.0mm x 4.8mm) suitable for space-sensitive application
 Support NMEA 0183 V3.0 (GGA, GSA, GSV, RMC, VTG, GLL, ZDA)
 Support OSP protocol
 Micro Power Mode(MPM) : Reduce MPM current consumption from <500 uA to < 125 uA
 Support SBAS (WASS, EGNOS, MSAS, GAGAN, QZSS)

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EM-5318
High Performance GPS Module

Product Block Diagram

Product Pin Description

PIN Number(s) Name Type Description Note

1

2

3

4

5

VCC P

GND P

TIMEPULSE O

BOOTSEL I

TXD O

This is the main power supply to the engine

board. (3.3Vdc to 5.5Vdc)

Ground

This pin provides one pulse-per-second

output from the board, which is synchronized

to GPS time. This is not available in Trickle

Power mode

Set this pin to high for programming flash.

This is the main transmits channel for

outputting navigation and measurement data

to user’s navigation software or user written

software. Baud rate based on flash memory

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. If do not use it, Just NC.