HOME > Products > GPS Products > GPS Receiver

UMTI-08 - GPS Engine Module

CONTENTS

  1. Hardware Specification -2
    1.1 Technical Specification -2
    1.2 Physical Specification -2
    1.3 Recommend PCB Layout -3

  2. Module Pin Assignments and Description Table -3

  3. Electrical Specifications -6
    3.1. Absolute Maximum Ratings -6

  4. Operating Conditions -6

  5. The Block Diagram of Module -7

  6. Application Schematics -8
    6.1 For Active Ant. -8
    6.2 For Patch Ant. -8

  7. NMEA-0183 Output Message -8

  8. Reflow Profile -9

Hardware Specification

1.1 Technical Specification
▪ Chipset SiRF StarⅢ(GSC3f/LP) Chipset
▪ Receiver L1( 1575.42MHz), C/A code
▪ Channels 20CH
▪ Solution Update Rate 1/second
▪ Acquisition
Hot Start < 8 seconds average, TTFF (Open sky)
Warm Start < 38 seconds average, TTFF ( Open sky)
Cold Start < 60 seconds average, TTFF ( Open sky),
▪ Limits
Maximum Altitude 18000m
Maximum Acceleration 4g
Maximum Velocity 515m/s
▪ Power Consumption 〈 75mA (RF Section 36mA + Digital Section 39mA)
Input voltage : DC 3.3V ± 5%
▪ GPS Software : GSW 3 Ver. 3.2.2
Protocols COM A : NMEA Protocols
▪ Serial Port 1 channel – CMOS level
▪ Baud Rate 4,800 to 115,200 bps adjustable ( default : 9,600)
▪ Firmware Upgrade 4Mbit Flash Memory field programming S/W available
▪ Position Accuracy <10m, Without SA imposed (95%)
▪ Tracking Sensitivity : -155dBm
▪ Datum Standard : WGS-84

1.2 Physical Specification
▪ Size & Volume : 19(w) x 19(d) x 0.8(h)mm

1.3 Recommend PCB Layout

 

Module Pin Assignments and Description Table

Pin No. Signal name I/O Description Note
1 VCC PWR Power Supply Voltage 3.0~5.0V DC Supply input
2 GND PWR Ground  
3 FREQXFEL I External CMOS clock source  
4 TXB O Serial outputs for channel B  
5 RXB I Serial inputs for channel B  
6 TIMEMARK I/O 1 pps timemark output  
7 TXA O Serial outputs for channel A  
8 RXA I Serial inputs for channel A  
9 GPIO 14 I/O General Purpose Input Output Leave unconnected if not used
10 GPIO 4 I/O General Purpose Input Output Leave unconnected if not used
11 AMP-INTR I/O External interrupt[0] Alternate function is GPIO 10
12 RF-ON I Power control of RF chip. Leave unconnected if not used
13 Bootsel I Module Boots Port
5.0V : Boot ON
N.C : Boot OFF(Normal)
Module boots into special debug
Mode if VCC during reset
14 GND PWR Ground  
15 GND PWR Ground  
16 GND PWR Ground  
17 GND PWR Ground  
18 GND PWR Ground  
19 GND PWR Ground  
20 GND PWR Ground  
21 GND PWR Ground  
22 RF IN I GPS RF Input 50Ω (1.57542GHz)
23 GND PWR Ground  
24 V-ANT0 PWR Power supply out of Active antenna  
25 V-BAT PWR BackupVoltage supply for RTC and SRAM Leave unconnected if not used
26 WAKE UP OD Wake up from RTC (Open Drain) Leave unconnected if not used
27 RESET I/O Active low reset Leave unconnected if not used
28 GPIO0 I/O General Purpose Input Output Leave unconnected if not used
29 GPIO1 I/O General Purpose Input Output Leave unconnected if not used


NEXT

Information

Home
About Us
Support
Products
Download
F.A.Q.

Contacts

Head Office (Taiwan)

4F.,No. 495 ,Guangfu South Rd. Xinyi Disc.,
Taipei , 11074, Taiwan (R.O.C.)
TEL : 886-2-27588816    FAX : 886-2-27582006

E-Mail : fkkchang1234@gmail.com
sales@uselink.com.tw

 

Factory Location

Thailand : No.9 Soi Koo Bon 31, Lane 8, Koo Bon Road,
Kunnayao District , Bangkok , 10230 Thailand.
TEL : 66-2-9434052    FAX : 66-2-9434395

China : B3,Xinfeng West 3Rd., Mowu Village ,
Wan Jiang District, Dong Guan City , Guang Dong Province.
TEL : +86-769-2203-3699 FAX : +86-769-2277-5542