GR-86 GPS Receiver Module

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GR-86 GPS Receiver Module Powered By Docstoc
					   GR-86 GPS Receiver Module

Main Features
   SiRF GSC3f/LP chipset with embedded ARM7TDMI CPU available for
    customized applications in firmware.
   20-channel GPS Receiver for fast acquisition and reacquisition
   Very compact size, only 24 * 24 * 3 mm.
   200,000 effective correlators for fast Time To First Fix (TTFF), even at
    poor satellite signal.
   Built-in WAAS/EGNOS Demodulator.
   Low power consumption with Advanced Trickle-Power and
    Push-To-Fix mode.
   Support NMEA-0183 v2.2 data protocol and SiRF binary code.
   Real time navigation for location based services.
   For Car Navigation、Marine Navigation、Fleet Management 、AVL and
    Location-Based Services、Auto Pilot、Personal Navigation or touring
    devices, tracking devices/systems and Mapping devices application.




Specifications
Acquisition at low signal levels:

    Cold / warm / hot start: 42/38/1 sec(average)

Position Accuracy:

    Autonomous: <10 meters at 2D RMS.
    SBAS: <7 meters at 2DRMS, WAAS corrected.
    DGPS: 1-5 meters at DGPS corrected.

Receiver:

    Tracking : L1/CA code
    Channel : 20
    Max. Update rate: 1 HZ
    Time mark: output 1 pulse/sec, aligned with GPS time ±0.1 usec
    Max. altitude/velocity : <60,000 ft / < 1,000 knots.
    Protocol Support : NMEA-0183, SiRF Binary, AI3/F
    Datum: WGS-84(default), selectable for other Datum.

Processing Core

    200,000+ effective correlators for fast TTFF and high sensitivity
acquisition.
    Processor Type: ARM7/TDMI
    Processor Speeds 49 MHZ
    Integrated Flash 4 Mb
    Minimum acquire signal levels: -159 dBm (based on SiRF GSC3f/LP
spec)
    Interface : CMOS 3V
    Dimension: 24 x 24 x 3 mm
    Weight: less than 3 g
    Operating Temperature : -20       to +70
    Storage Temperature: -40      to +85
    Operating Humidity: 5% to 95%, No Condensing
    Power : input power 3.3V ~ 5.5 VDC
    Operational current: 70 mA (without antenna)

RF DC power supply for active antenna max 50 mA
          Module snapshot and pin out
          definition
Picture




Outline drawing
                           (5,24)   (8.5,24)
                                3.5 mm.



                                                                              1.5 mm.
                                                              0.2 mm.

              (0,21)   1                                      20    (24,21)
              (0,19)                                                (24,19)
              (0,17)                                                (24,17)
              (0,15)                                                (24,15)
 24.0 mm.     (0,13)                                                (24,13)
              (0,11)                                                (24,11)
              (0,9)                                                 (24,9)
              (0,7)                                                 (24,7)
              (0,5)                                                 (24,5)
              (0,3)    10                                     11    (24,3)


             (0,0)
                                                        5.0 mm.
                                               (16,0)      (21,0)
                                      24.0 mm.
Recommanded PCB
Module Pin out definition
Pin    Pin Name   Type                          Function description
1        GND      PWR Ground
2        RFIN       I    RF signal input
3        GND      PWR Ground
4        GND      PWR Ground
5      NRESET       I    Reset, active low. Keep floating if not used.
6     LED_ONOFF    O     1 HZ High/Low pulse output in tracking mode
7      BATTERY    PWR Backup battery input (2.5–3.3V)
8      NSLEEP       I    Power down module, low active
9      VCC_IN     PWR 3.3 ~ 5.5 VDC supply input
10       GND      PWR Ground
11      RXDB        I    Serial Data input B
12      TXDA       O     Serial Data Output A
13      RXDA        I    Serial Data Input A
14    BOOT_SEL      I    Pull high for firmware download mode. Keep NC if not used.
15       GND      PWR Ground
16 TIMER_SYNC       I    Reserve for feature
17    AMP_INTR      I    Reserve for feature
18    FREQ_XFER     I    Reserve for feature
19    TIMEMARK     O     1 µsec pulse per second when tracking
20       GND      PWR Ground




Ordering Information


      Model No.             Chipset                     RF interface output voltage (V)

      GR-86-A              GSC3f/LP                 RF antenna power 2.8 VDC from GR-86
      GR-86-B              GSC3f/LP                 RF antenna power supply from VCC_IN

				
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Description: Wireless data transmission widely used in vehicle monitoring, remote control, telemetry, small wireless network, wireless meter reading, access control systems, paging area, industrial data acquisition system, radio tags, identification, non-contact RF smart card, a small wireless data terminals, security fire protection systems, wireless remote control systems, bio-signal acquisition, hydrological and meteorological monitoring, robot control, wireless data communication 232, 485/422 wireless data communications, digital audio, digital video transmission and other areas.