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EB-A802-P GPS Engine Board

EverMore Technology, Inc.

2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C. http://www.emt.com.tw

EverMore EB-A802-P is a high sensitivity, low power, SMD type GPS Module,

This product is based on Atmel chipset in 16 channel GPS receiver’s solution.

The GPS module receiver will track up to 16 satellites at a time while providing

fast time-to-first-fix and 1Hz navigation updates. It is far reaching capability

meets the sensitivity & accuracy requirements of car navigation as well as other

location-based applications, such as Personal Tracking system. PND, Handheld

Device system.

Features:

z Pin to Pin compatible ublox LEA-4P

z Atmel Chipset 16 Channels all in view tracking

z Ultra Low Power Consumption 39 mA

z High Sensitivity -158dBm

z DGPS : WAAS /EGNOS/MSAS

z Support NMEA-0183 at 4800/9600 bps baud rate

z Customized and configurable serial I/O architecture

z Support 4 Hz position update rate capability

(using on-board EEPROM)

z Support power saving modes

z Support 1 PPS

z Support 1 USB & 1 UART Port

z Lead Free , RoHS Compliant

Summary of content (9 pages)

PAGE 1
EB-A802-P GPS Engine Board EverMore EB-A802-P is a high sensitivity, low power, SMD type GPS Module, This product is based on Atmel chipset in 16 channel GPS receiver’s solution. The GPS module receiver will track up to 16 satellites at a time while providing fast time-to-first-fix and 1Hz navigation updates. It is far reaching capability meets the sensitivity & accuracy requirements of car navigation as well as other location-based applications, such as Personal Tracking system.
PAGE 2
EB-A802-P GPS Engine Board Applications: z z z z z Land/Marine Navigation Telematics Fleet Management Asset Tracking Timing Reference Specification: Features Description General L1 1575.42MHz, C/A code, 16-channel all in view tracking Sensitivity -158 dBm (typical) Update Rate 1 Hz Accuracy Position: <15m(95%) without S/A Velocity: 0.1 m/sec without S/A Time: ± 100ns synchronized to GPS time Acquisition Cold start: Warm start: Hot start : 34 sec average 33 sec average 3.
PAGE 3
EB-A802-P GPS Engine Board Definition of Pin assignment Pin# Name Type Description 1 GPSMODE8 I Antenna detection configuration, keep floating 2 GPSMODE9 I Antenna detection configuration, keep floating 3 TxD1 O Serial Port 1, if not used keep floating 4 RxD1 I Serial Port 1, if not used keep floating 5 VDDIO I Pad voltage supply, 3.3V typical 6 VCC I Supply voltage, 3.3V typical 7 GND I Ground 8 VDD18OUT O Internal 1.
PAGE 4
EB-A802-P GPS Engine Board Pin Assignment PCB TOP VIEW Unit: mm EverMore Technology, Inc. 2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C. http://www.emt.com.
PAGE 5
EB-A802-P GPS Engine Board NMEA Output Message Table 1 NMEA-0183 Output Messages NMEA Sentence Description GGA (Default) Global positioning system fixed data GLL (Default) Geographic position - latitude/longitude GSA (Default) GNSS DOP and active satellites GSV (Default) GNSS satellites in view RMC (Default) Recommended minimum specific GNSS data VTG (Default) Course over ground and ground speed GGA--- Global Positioning System Fixed Data Table 2 contains the values for the following example
PAGE 6
EB-A802-P GPS Engine Board Checksum *18 End of message termination Table 3 Position Fix Indicator Value Description 0 Fix not available or invalid 1 GPS SPS Mode, fix valid 2 Differential GPS, SPS Mode, fix valid 3 GPS PPS Mode, fix valid GLL--- Geographic Position – Latitude/Longitude Table 4 contains the values for the following example: $GPGLL,3723.2475,N,12158.3416,W,161229.
PAGE 7
EB-A802-P GPS Engine Board GSA---GNSS DOP and Active Satellites Table 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 5 GSA Data Format Name Example Units Description Message ID $GPGSA GSA protocol header Mode 1 A See Table 7 Mode 2 3 See Table 6 Satellite Used in 07 Sv on Channel 1 02 Sv on Channel 2 solution Satellite Used in solution Satellite Used Sv on Channel 12 PDOP 1.8 Position Dilution of Precision HDOP 1.
PAGE 8
EB-A802-P GPS Engine Board GSV---GNSS Satellites in View Table 8 contains the values for the following example: $GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71 $GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41 Table 8 GSV Data Format Name Example Units Description Message ID $GPGSV GSV protocol header Number of 2 Range 1 to 3 Message Number1 1 Range 1 to 3 Messages 1 Satellites in View 07 Satellite ID 07 Elevation 79 Degrees Azimuth 048 Degrees Channel 1 (
PAGE 9
EB-A802-P GPS Engine Board N/S Indicator N N=north or S=south Longitude 12158.3416 dddmm.mmmm E/W Indicator W E=east or W=west Speed Over 0.13 knots 309.62 degrees Ground Course Over True Ground Date 120598 ddmmyy Magnetic degrees E=east or W=west (Not shown) Variation Checksum *10 End of message termination VTG---Course Over Ground and Ground Speed Table 10 contains the values for the following example: $GPVTG,309.62,T, ,M,0.13,N,0.