background image

GPS-20 Operating Manual                               

 

 

 

           

5F-1, 125, Roosevelt Road, Sec. 5, Taipei, Taiwan 116 

Tel: ++886 2 2934 5456    Fax: ++886 2 2934 4373      E-Mail: 

[email protected]

 

 

Rikaline

 
Rikaline

 Marketing Corp.

  web: 

www.rikaline.com.tw

 

 

17

 

6. Ordering Information 

6.1 Product Options 

6.1.1 Input Power 

         

GPS-20-5

: 5V (Standard: TTL level, No backup battery) 

         

GPS-20-3

: 3.3V (Standard: TTL level, No backup battery) 

 

6.2 Accessories 

     A-10302  Active Antenna, 2-Meter, MCX straight connector 
     A-10302-A Active Antenna, 2-Meter, MCX 90° connector 
     A-10305  Active Antenna, 5-Meter, MCX straight connector 
     A-10305-A Active Antenna, 5-Meter, MCX 90° connector 
 
     Active Antenna with other connector is produced on demand. 
 
 
 

7. Warranty 

The GPS-20 is warranted to be free from defects in material and functions for one year from the date 

of purchase. Any failure of this product within this period under normal conditions will be replaced at 

no charge t

the customers. 

Summary of Contents for GPS-20

Page 1: ...SiRF Star II V1 0 Aug 09 2002 User s Guide Rikaline Marketing Corp 5F 1 125 RooseveltRd Sec 5 Taipei 116 Taiwan R O C Phone 886 2 2934 5456 Fax 886 2 2934 4373 E Mail info rikaline com tw Web www rik...

Page 2: ...ions 3 2 Operational Characteristics 5 2 1 Initialization 5 2 2 Navigation 5 3 Hardware Interface 6 3 1 Connector 6 3 2 Pin Assignment 6 3 3 Trickle Power Description 8 3 4 Push to Fix Description 9 3...

Page 3: ...provides a host of features that make it easy for integration and use 1 SiRF Star II chipset with embedded ARM7TDMI CPU available for customized applications in firmware 2 High performance receiver t...

Page 4: ...tart 45 sec averaged 1 3 4 2 Position Aaccuracy Non Differential GPS Position 5 25 meter CEP without SA Velocity 0 1 meters second without SA Time 1 microsecond synchronized GPS time 1 3 4 3 DGPS Accu...

Page 5: ...nificant inaccuracy exists in the initial data or the orbital data is obsolete it may take more time to achieve a navigation solution The GPS 20 Auto locate feature is capable of automatically determi...

Page 6: ...t functions note 1 8 GPIOC SW dependent functions note 1 9 GPIOD SW dependent functions note 1 10 GND Ground 11 TXA Serial Data Output A 12 RXA Serial Data Input A 13 GND Ground 14 TXB Serial Data Out...

Page 7: ...tor software You can directly communicate with a PC serial port TTL level should be turned to RS 232 level 3 2 6 RXA This is the main receiving channel and is used to receive software commands to the...

Page 8: ...is achieved by powering down the board after a position is determined in such a manner that when it is turned back on it can recomputed a position fix in the shortest amount of time Standard TrickleP...

Page 9: ...current of the GSP2e and CPU There are three events that can happen which effectively return the CPU to normal operation 3 4 3 Power on If power is removed then re applied to the board a reset signal...

Page 10: ...al Drawing 3 6 1 Top View 3 6 2 Lateral View 3 6 3 Connector l 886 2 2934 5456 Fax 886 2 2934 4373 Model GPS9540 10 00 5 00 4 00 1 0 0 0 80 0 8 0 5 70 5 7 0 Straight MCX 5F 1 125 Roosevelt Road Sec 5...

Page 11: ...S data GPVTG Course over ground and ground speed 4 1 1 Global Positioning System Fix Data GGA Table 5 2 contains the values for the following example GPGGA 161229 487 3723 2475 N 12158 3416 W 1 07 1 0...

Page 12: ...age termination 4 1 3 GNSS DOP and Active Satellites GSA Table 4 5 contains the values for the following example GPGSA A 3 07 02 26 27 09 04 15 1 8 1 0 1 5 33 Table 4 5 GSA Data Format Name Example Un...

Page 13: ...E Items 4 5 6 and 7 repeat for each satellite in view to a maximum of four 4 satellites per sentence Additional satellites in view information must be sent in subsequent sentences These fields will be...

Page 14: ...Kilometers per hour Checksum 6E CR LF End of message termination 1 SiRF Technology Inc does not support magnetic declination All course over ground data are geodetic WGS84 directions 4 2 RTCM Receive...

Page 15: ...ropean 1950 Eastern Regional Mean International Data16 dat 22 European 1950 Egypt International Data17 dat 23 European 1950 Finland Norway International Data18 dat 24 European 1950 Greece Internationa...

Page 16: ...pore Modified Fischer 1960 Data51 dat 62 South Africa Clarke 1880 Data52 dat 63 Thailand 1975 Everest 1830 Data54 dat 64 Tokyo_Japan Bessel 1841 Data60 dat 65 Tokyo_Korea Bessel 1841 Data61 dat 66 Tok...

Page 17: ...No backup battery 6 2 Accessories A 10302 Active Antenna 2 Meter MCX straight connector A 10302 A Active Antenna 2 Meter MCX 90 connector A 10305 Active Antenna 5 Meter MCX straight connector A 10305...

Reviews: