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FALCOM JP14-Q-LP Manual - 3 Safety Standards

Manual is about: FALCOM GPS Receivers Manual

Summary of JP14-Q-LP

  • Page 1

    T his document is available at http :// www . Falcom . De / jp14-r-lp & jp14-q-lp gps-receivers lead-free products hardware description version 1.0.0; created: monday 25 february 2008.

  • Page 2

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 table of contents 1 introduction ........................................................................6 1.1 general ................................................................................................................6 1.2 use...

  • Page 3

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 7 software interface .......................................................23 7.1 sirf binary data message .................................................................................23 7.2 nmea data message .............................

  • Page 4

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 version history: this table provides a summary of the document revisions. Version author changes release date 1.0.0 f. Beqiri initial version 25/02/2008 this confidential document is the property of falcom and may not be copied or circulate...

  • Page 5

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 cautions information furnished herein by falcom is believed to be accurate and reliable. However, no responsibility is assumed for its use. Please, read carefully the safety precautions. If you have any technical questions regarding this do...

  • Page 6: 1 Introduction

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 1 introduction this documentation is relating to the following falcom products: jp14-r-lp and jp14-q-lp . 1.1 general both products are new of highly integrated, low-power gps products – based on a 0.13 micron cmos process of the sirfstarii...

  • Page 7

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 figure 1: the falcom jp14-r gps receiver (top and bottom view) figure 2: the falcomjp14-q gps receiver (top and bottom view) users are advised to proceed quickly to the chapter "security" and read the hints carefully to secure its optimal u...

  • Page 8

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 abbreviation description rtcm radio technical commission for maritime services sdi data input sdo data output sa selective availability waas wide area augmentation system msk minimum shift keying pcb printed circuit board prn pseudo-random ...

  • Page 9: 2 Security

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 2 security this chapter contains important information for the safe and reliable use of the gps receiver. Please, read this chapter carefully before starting to use the gps receiver. 2.1 general information the global positioning system use...

  • Page 10: 3 Safety Standards

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 3 safety standards the gps receiver meets the safety standards for rf receivers and the standards and recommendations for the protection of public exposure to rf electromagnetic energy established by government bodies and professional organ...

  • Page 11: 4 Technical Data

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 4 technical data 4.1 features - oem single board 20 channel gps receiver - size: jp14-r-lp: 10.2 x 24.5 x 3 mm (b x l x h) jp14-q-lp: 15.7 x 17.3 x 3 mm (b x l x h) - weight: jp14-r-lp: 1.5 g (without shielding) jp14-q-lp: 1.2 g (without sh...

  • Page 12: 5 Technical Description

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 5 technical description 5.1 receiver architecture the jp14-r-lp/q-lp oem gps receivers from falcom are new oem gps receiver products that feature the sirfstariii single chipset. The core of these units is comprised of the gsc3lp that includ...

  • Page 13

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 5.2 product applications - handheld gps receiver applications - automotive applications - marine navigation applications - aviation applications - timing applications 5.3 technical specifications 5.3.1 electrical characteristics 5.3.1.1 gen...

  • Page 14

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 5.3.1.6 sensitivity * gsm 15 dbhz ** 3g 15 dbhz ** cdma 15 dbhz ** tracking 13 dbhz hot start 15 dbhz cold start 30 dbhz * the sensitivity value is specified at the correlator. On a jp14 receivers using gsw3 firmware with the supplied anten...

  • Page 15

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 5.4 power management modes overview there are three basic operating modes in which the jp14 family operates during use. Each mode is used to accomplish a different task during the process of acquiring and maintaining the gps information. Th...

  • Page 16

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 but the navigation solution still needs to be computed, thus consuming power is less than in the full power state. Standby state in the standby state, power remains applied to the jp14 family, but the rf section is completely powered off an...

  • Page 17

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 will stay on full power until the good navigation solution is computed. The so-called hibernate state will follow for the remainder of the period. For example, if the receiver took 15 seconds to fix position and refresh ephemeris on the def...

  • Page 18

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 determines if the transition to standby mode/hibernate state will occur or not. It can be set to a value between: 200 ... 900 ontime period in milliseconds * > it defines the complete interval of time in milliseconds the receiver will stay ...

  • Page 19: Signals

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 6 hardware interface and configuration signals 6.1 interfaces (balls assignment) of the jp14-r-lp ball name i/o description level 1 vcc i main power supply + 3.3 v dc ± 5 % 2 vcc 3 vbat i power for rtc and sram +3 v dc ±5% 4 vddk o core pow...

  • Page 20

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 ball name i/o description level 35 pwrctl o control outputs. Do not use, leave it open. Cmos 36 wakeup o control outputs. Do not use, leave it open. Cmos 37 gpio10 i/o general propose input/output cmos 38 m-rst i rest the unit, active low c...

  • Page 21

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 ball name i/o description level 26 timersync o control outputs. Do not use, leave it open. Cmos 27 spi_en i control-line for production test. Do not use, leave it open. 28 spi_clk i control-lines for production test. Do not use, leave it op...

  • Page 22

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 6.5 dc input signals vcc this pin is the main dc power supply for 3,3 v ± 5 % powered boards jp14-r-lp/q-lp. Rf_in active antennas have an integrated low-noise amplifier. They can be directly connected to this pin (rf_in). If an active ante...

  • Page 23: 7 Software Interface

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 7 software interface the falcom jp14-r-lp/q-lp support nmea-0183 and sirf binary protocols. A short description of these protocols is provided herein. For more detailed information about the messages listed in tables below, please refer to ...

  • Page 24

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 hex ascii name description 0 x 97 151 set trickle power parameters push to fix mode, duty cycle and on time 0 x 98 152 poll navigation parameters polls for the current navigation parameters 0 x a5 165 set uart configuration protocol selecti...

  • Page 25

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 7.2.3 transport message start sequence payload checksum end sequence $psrf 1 data 2 *cksum 3 4 1. Message identifier consisting of three numeric characters. Input messages begin at mid 100. 2. Message specific data. Refer to a specific mess...

  • Page 26: 8 Mechanical Draw

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 8 mechanical draw the following chapters describe the mechanical dimensions of jp14-r-lp/q-lp and give recommendations for integrating of the jp14-r-lp/q-lp or into your application platform. Note that, the absolute maximum dimension of the...

  • Page 27

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 recommendations for layout, and soldering. Figure 8 shows the bottom view on jp14-r and provides an overview of the mechanical dimensions of the pointed balls. Figure 8: the mechanical draw of the jp14-r this confidential document is the pr...

  • Page 28

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 figure 9 shows the bottom view on jp14-q and provides an overview of the mechanical dimensions of the pointed balls. Figure 9: the mechanical draw of the jp14-q this confidential document is the property of falcom and may not be copied or c...

  • Page 29: 9 Layout Recommendation

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 9 layout recommendation 9.1 ground planes jp14-r-lp/q-lp gps receivers need two different ground planes. The pins rf_gnd to both unit should be connected to analog ground, the pins gnd to digital ground, see tables 1 and 2 respectively. The...

  • Page 30

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 9.3 soldering profile figure 11 shows the recommended solder profile for pb-free jp14-r-lp/q-lp units. Figure 11: typical solder conditions (temperature profile, reflow conditions). Consider for a long time in the soldering zone (with tempe...

  • Page 31

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 10 first steps to make it work figure 12: the minimum hardware interface of jp14-r-lp/q-lp to get started. The same set up connection can also be made to the gps receiver, but take into consideration the allocation of the receiver’s pins (r...

  • Page 32

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 make sure that the antenna runs down to 2.7 v bias voltage and the current does not exceed 20 ma. Backup battery: in case of a power interruption on pin vcc the real-time clock and backed-up sram are continually supplied through v_bat. The ...

  • Page 33: 11 Appendix

    Jp14-r-lp & jp14-q-lp f alcom gps r eceivers v ersion 1.0.0 11 appendix 11.1 how to set the target gps receiver into power saving modes? By means of sirfdemo software version 3.81 from sirf the user is able to configure this operation mode with desired setting. The input message is accepted if the g...