RoyalTek REB-1315LP Operational Manual
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RoyalTek REB-1315LP Operational Manual

Royaltek reb-1315lp gps receiver operational manual
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REB-1315LP Operational Manual
REB-1315LP Operational Manual
Version 1.6
2007/09/13
This document contains information highly confidential to RoyalTek Company LTD
(RoyalTek). It is provided for the sole purpose of the business discussions between customer
and RoyalTek and is covered under the terms of the applicable Non-Disclosure Agreements.
Disclosure of this information to other parties is prohibited without the written consent of
RoyalTek.
Prepared by RoyalTek Company LTD.
1071, Chung Cheng Rd., Suite 9F-1
Tao Yuan City, Taiwan
TEL: 886-3-3569666
FAX: 886-3-3580050
http://www.royaltek.com/contact
Approved by
Checked by
Prepared by
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Summary of Contents for RoyalTek REB-1315LP

  • Page 1 2007/09/13 This document contains information highly confidential to RoyalTek Company LTD (RoyalTek). It is provided for the sole purpose of the business discussions between customer and RoyalTek and is covered under the terms of the applicable Non-Disclosure Agreements. Disclosure of this information to other parties is prohibited without the written consent of RoyalTek.

  • Page 2: Table Of Contents

    1. Introduction ... 3 1.1 Product Applications... 3 1.2 Product Pictures... 4 1.3 REB-1315LP Series Block Diagram... 5 1.4 REB-1315LP Technical Specification ... 6 1.5 Application Circuit... 8 1.6 Mechanical Layout ... 13 1.7 Hardware interface ... 14 2. Software Interface ... 18 3.

  • Page 3: Introduction

    1. Introduction RoyalTek REB-1315LP small form factor board is the newest generation of RoyalTek GPS module. The module is powered by latest SiRF Star III single chip and RoyalTek proprietary navigation technology that provides you with stable and accurate navigation data.

  • Page 4: Product Pictures

    REB-1315LP Operational Manual 1.2 Product Pictures (1) REB-1315LP Pin 1 (2) REB-1315LP Interface board The interface board pin definition RoyalTek Evaluation Kit REV-2000 for REB-1315LP Please refer to RoyalTek Evaluation Kit REV-2000 for REB-1315LP Operational Manual for more information) RoyalTek Confidential...

  • Page 5: Reb-1315Lp Series Block Diagram

    REB-1315LP Operational Manual 1.3 REB-1315LP Series Block Diagram System block diagram description: a. External antenna. b. 4 Mega bits flash memory. 22 pin I/O pin. RoyalTek Confidential...

  • Page 6: Reb-1315Lp Technical Specification

    1.4 REB-1315LP Technical Specification Impedance： ： ： ： 50 Function GPS receiver Chipset Frequency Code Channels Chipset Sensitivity Chipset cold start Chipset warm start Chipset hot start Reacquisition Position accuracy Maximum altitude Maximum velocity Trickle power mode Update rate Testability...
  • Page 7 REB-1315LP Operational Manual ≦95% Humidity RoyalTek Confidential...

  • Page 8: Application Circuit

    REB-1315LP Operational Manual 1.5 Application Circuit Reference schematic: RoyalTek Confidential...
  • Page 9 (3) Backup Battery: It’s recommended to connect a backup battery to V_RTC_3V3 pin. In order to enable the warm start and hot start features of the GPS receiver. If you use backup battery, should be adding a bypassing capacitor (10uF) at V_RTC_3V3 pin.
  • Page 10 REB-1315LP Operational Manual If you choice 3.3VSUB voltage then the power can use by different power supply. RoyalTek Confidential...
  • Page 11 REB-1315LP Operational Manual Recommend Layout PAD : TOP View RoyalTek Confidential...
  • Page 12 REB-1315LP Operational Manual Recommend paste mask pad Recommend paste mask pad is shift outside the layout pad 0.2mm(See under figure) Black Block is layout PAD、Blue Block(Gray region is paste mask pad recommend) TOP View RoyalTek Confidential...

  • Page 13: Mechanical Layout

    REB-1315LP Operational Manual 1.6 Mechanical Layout RoyalTek Confidential...

  • Page 14: Hardware Interface

    REB-1315LP Operational Manual 1.7 Hardware interface Interface Pin Number: RoyalTek Confidential...
  • Page 15 General purpose I/O 14 GPIO[15] General purpose I/O 15 GPIO[13] General purpose I/O Boot Boot mode 17 RF_VOUT Supply Antenna Bias RoyalTek Confidential REB-1315LP Operational Manual Characteristics 0.3V ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ 0.3V ≥ ≥ 0.3V ≥...
  • Page 16 This pin can provide maximum power 30mA@2.85V for active antenna. This pin provides one pulse-per-second output from the board, which is synchronized to GPS time. This is not available in Trickle Power mode. RoyalTek Confidential REB-1315LP Operational Manual Reference Ground @1.57542GHz Reference Ground...
  • Page 17 REB-1315LP Operational Manual V_RTC_3V3 (Backup battery ) This is the battery backup input that powers the SRAM and RTC (Real Time Clock) when main power is removed. Typical current draw is 10uA. The supply voltage should be between 2.5V and 3.6V.

  • Page 18: Software Interface

    Units Age of Diff. Corr. Diff. Ref. Station ID Checksum ＜CR＞＜LF＞ RoyalTek Confidential REB-1315LP Operational Manual Description Global positioning system fixed data GNSS DOP and active satellites GNSS satellites in view Recommended minimum specific GNSS data Table 3 GGA Data Format...
  • Page 19 VDOP Checksum ＜CR＞＜LF＞ Value Value Manual-forced to operate in 2D or 3D mode Automatic-allowed to automatically switch 2D/3D RoyalTek Confidential REB-1315LP Operational Manual Position Fix Indicators Description Units Description GSA protocol header See Table 4-2 See Table 4-1 Sv on Channel 1 Sv on Channel 2 ….
  • Page 20 161229.487 Status Latitude 3723.2475 N/S Indicator Longitude 12158.3416 RoyalTek Confidential REB-1315LP Operational Manual Units Description GSV protocol header Range 1 to 3 Range 1 to 3 Channel 1(Range 1 to 32) degrees Channel 1(Maximum 90) degrees Channel 1(True, Range 0 to 359)
  • Page 21 E/W Indicator Speed Over Ground 0.13 Course Over Ground 309.62 Date 120598 Magnetic Variation Mode Checksum RoyalTek Confidential REB-1315LP Operational Manual E=east or W=west knots degrees True ddmmyy degrees E=east or W=west A=Autonomous, D=DGPS, E=DR...

  • Page 22: Gps Receiver User's Tip

    GPS receiver under less shielding environments to ensure GPS receiver has better receiving performance. When GPS receiver is moving, it will prolong the time to fix the position, so it is recommended to wait for the satellite signals locked at a fixed point when first power-on the GPS receiver to ensure to lock the GPS signal at the shortest time.

  • Page 23: Package Specification And Order Information

    REB-1315 Operational Manual 4. Package Specification and Order Information Shipment Method: Tape and reel SMT type with stamp holes (22 holes) 5. Matching active antenna RoyalTek Confidential...

  • Page 24: Contact Royaltek

    Add recommend layout PAD and modify mechanical layout Modify 1.6 Mechanical Layout Modify 1.6 Mechanical Layout, 1.7 Hardware interface Modify 1.4 REB-1315LP Technical Specification – LNA, 1.5 Reference schematic; add 5. RGA-1201 Antenna Modify 1.4 REB-1315LP Technical Specification - Chipset Sensitivity、...

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