RGPSM202 Semtech, RGPSM202 Datasheet - Page 2

• Manufacturer Part Number: RGPSM202
• Description: MODULE SLIM GPS RECEIVER LP
• Manufacturer: Semtech

Specifications of RGPSM202

• Frequency: 1.575GHz
• Sensitivity: -143dBm
• Modulation Or Protocol: GPS
• Applications: Automotive, Laptop, PDA
• Current - Receiving: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 3 V ~ 3.65 V
• Package / Case: Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Operating Temperature: -
• Memory Size: -
• Data Rate - Maximum: -

1
2
3
4
5
6
7
8
© Semtech 2005
1.1
1.2
1.3
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
6.1
7.1
FIRSTGPS ARCHITECTURE HIGHLIGHTS................................................................................................................3
FUNCTIONAL BLOCK DIAGRAM ................................................................................................................................3
PIN DESCRIPTION.......................................................................................................................................................4
TECHNICAL CHARACTERISTICS...............................................................................................................................4
4.4.1
INTERFACE DEFINITION, PRINCIPLES OF OPERATION ........................................................................................6
5.2.1
5.2.2
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
5.3.8
5.3.9
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.4.6
5.4.7
5.4.8
5.4.9
5.4.10
DEFAULT SETTINGS.................................................................................................................................................23
6.1.1
6.1.2
6.1.3
6.1.4
APPLICATION INFORMATION ..................................................................................................................................24
EXHIBIT A ...................................................................................................................................................................25
Industry Leading GPS Performance......................................................................................................................3
Low Power .............................................................................................................................................................3
RGPSM202 SlimGPS Receiver Highlights............................................................................................................3
Specifications.........................................................................................................................................................4
Physical Characteristics.........................................................................................................................................5
Mechanical Interface..............................................................................................................................................5
Production Issues ..................................................................................................................................................6
Data/RF Interface...................................................................................................................................................6
Operating Modes ...................................................................................................................................................8
NMEA Standard Message Set Specification .......................................................................................................10
NMEA Specific Sentences...................................................................................................................................15
GPS Data Back-up ..............................................................................................................................................22
Real Time clock ...................................................................................................................................................22
Split Search Mode................................................................................................................................................22
Hardware Reset and System Watchdog .............................................................................................................22
GPS Engine Configuration...................................................................................................................................24
Active Antenna.....................................................................................................................................................24
Proposed Customer Solder Profile.................................................................................................................6
Operating the GPS receiver in a basic “stand-alone” configuration...............................................................8
Operating the GPS receiver in a basic “serial, bidirectional” configuration....................................................9
NMEA Standard Sentences..........................................................................................................................10
GGA —Global Positioning System Fixed Data ............................................................................................10
GLL—Geographic Position - Latitude/Longitude..........................................................................................11
GSA—GNSS DOP and Active Satellites......................................................................................................11
GSV—GNSS Satellites in View ....................................................................................................................12
RMC—Recommended Minimum Specific GNSS Data ................................................................................13
VTG—Course Over Ground and Ground Speed .........................................................................................13
ZDA—Time & Date .......................................................................................................................................14
GPQ—NMEA Sentence Query.....................................................................................................................14
DI – Diagnostic Message..............................................................................................................................15
TF—Quick Test ............................................................................................................................................15
NM – Sentence Mask and Automatic Output Rate ......................................................................................16
PS – Pulse-Per-Second Configuration .........................................................................................................17
PT – Port Configuration ................................................................................................................................17
RT – Reset the Receiver / Start-Stop FirstGPS ...........................................................................................17
VR – Version Information .............................................................................................................................18
GS – Geodetic System Configuration ..........................................................................................................18
LP – Power Save Mode................................................................................................................................19
TR – Transparent Mode ..............................................................................................................................19
Receiver configuration..................................................................................................................................24
Filter configuration ........................................................................................................................................24
Offset configuration ......................................................................................................................................24
Application settings.......................................................................................................................................24
Table of Contents
2
SlimGPS™ Receiver
RGPSM202
www.semtech.com