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Maestro A5135-H User Manual

Manual is about: GPS+GLONASS Receiver

Summary of A5135-H

  • Page 1

    Gps+glonass receiver a5135-h a description of maestro’s gps+glonass antenna receiver module a5135-h user’s manual version 1.0

  • Page 2: Revision History

    V1.0 - dec-16 user’s manual page 2 of 38 revision history rev. Date description 0.1 04-14-14 first release 0.2 29-01-15 pin assignment updated 0.3 17-02-15 updated figures 1.0 11-25-16 updated fw release.

  • Page 3: Disclaimer

    V1.0 - dec-16 user’s manual page 3 of 38 disclaimer this document contains proprietary information of maestro wireless solutions limited. It may not be copied or transmitted by any means, passed to others, or stored in any retrieval system or media, without prior consent of maestro or its authorized...

  • Page 4: Table Of Contents

    V1.0 - dec-16 user’s manual page 4 of 38 table of contents 1 introduction ......................................................................................................... 6 1.1 feature overview ............................................................................................... 6...

  • Page 5

    V1.0 - dec-16 user’s manual page 5 of 38 9.1 environmental conditions ................................................................................ 31 9.2 product qualification ........................................................................................ 31 9.3 production test ...........

  • Page 6: 1 Introduction

    V1.0 - dec-16 user’s manual page 6 of 38 1 introduction a5135-h is an antenna module with sirfstarv flash based chip and an on-board patch antenna (15mm x 15mm x 4mm). Rf switch was implemented so as to sup- port external active antenna for performance enhancement if required. In order to have an ea...

  • Page 7

    V1.0 - dec-16 user’s manual page 7 of 38 1.2 characteristics overview the module’s most important characteristics are: • a5135-h o operable at 3.3v / 34ma @ 1fix per second o uart interface at cmos level o v_bak at 3.0v / 60ua (typ.) • internal power-on-reset (por) reset chipset to prevent memory co...

  • Page 8

    V1.0 - dec-16 user’s manual page 8 of 38 1.4 label the a5135-h label (size: 12.0x 4.0 mm ² ) contains the following information: tba figure 1: a5135-h label the label is placed on the side of the gps+glonass antenna. The data matrix code holds the product type, part number, software release, hardwar...

  • Page 9

    V1.0 - dec-16 user’s manual page 9 of 38 1.5 characteristics the module is characterized by the following parameters. 1.5.1 gps+glonass characteristics channels 52, parallel tracking correlators ～ 400,000 frequency gps l1 (= 1,575 mhz) glonass fdma l1 (=1,602 mhz) tracking sensitivity on-module ante...

  • Page 10: 2 Ordering Information

    V1.0 - dec-16 user’s manual page 10 of 38 2 ordering information 2.1 gps+glonass receiver a5135-h the order number is built as follows: • a5135-hxxxx a5135-h is the model name. The “xxxx” refers to the current part number on the module. 2.2 packing the a5135-h gps+glonass modules come in a tape and ...

  • Page 11

    V1.0 - dec-16 user’s manual page 11 of 38 figure 3: a5135-h tape specifications (2) figure 4: a5135-h tape specifications (3).

  • Page 12

    V1.0 - dec-16 user’s manual page 12 of 38 one complete reel holds 500 a5135-h modules. There is 1 kinds of packaging for shipment: one box holds 1 reel reel diameter: 38 cm outer box dimensions: 38.8 (w) x 38.8 (l) x 5.7 (h) cm gross weight: 5.06 kg net weight: 4.13 kg.

  • Page 13

    V1.0 - dec-16 user’s manual page 13 of 38 2.3 additional equipment eva5135-h evaluation kit (including one module a5135-h) table 3: additional equipment a detailed description of the eva5135-h evaluation kit can be found in the appro- priate manual..

  • Page 14: 3 Quick Start

    V1.0 - dec-16 user’s manual page 14 of 38 3 quick start in order to allow an easy and quick start with the a5135-h module, this chapter provides a short overview on the important steps to be taken to receive nmea messages with position information on a serial port (uart). Note 1 : the a5135-h needs ...

  • Page 15

    V1.0 - dec-16 user’s manual page 15 of 38 3.1 minimum configuration the following picture shows the minimum configuration for nmea or binary outputs received and commands sent via an rs232 interface based on the gps+glonass module a5135-h. Figure 5: minimum configuration a5135-h note : it is recomme...

  • Page 16

    V1.0 - dec-16 user’s manual page 16 of 38 remarks: • place c1 to c5 (here: 0.1 µ f) close to max3232. For capacity values see datasheet of actual component used. • use 3.3v level shifter (max3232 or equivalent)..

  • Page 17

    V1.0 - dec-16 user’s manual page 17 of 38 3.2 antenna although the a5135-h offers an on-module antenna, an additional external active antenna can be used. Switching between both antennas is done via pin 12 (see also “5.2description a5135-h signals”). It is recommended to use an active gps+glonass an...

  • Page 18

    V1.0 - dec-16 user’s manual page 18 of 38 for self-start mode, full power operation will be activated once vcc applied. No power saving mode (ptf/mpm/hibernation) will be supported..

  • Page 19: 4 Mechanical Outline

    V1.0 - dec-16 user’s manual page 19 of 38 4 mechanical outline 4.1 details component side a5135-h all dimensions in [mm] / [(inches)] figure 8: mechanical outline component side a5135-h.

  • Page 20

    V1.0 - dec-16 user’s manual page 20 of 38 4.2 details solder side a5135-h solder pad size (outer pads): 1.0 x 0.8 solder pad size (inner pads): 1.27 x 1.27 all dimensions in [mm] figure 9: mechanical outline solder side a5135-h.

  • Page 21: 5 Pin-Out Information

    V1.0 - dec-16 user’s manual page 21 of 38 5 pin-out information 5.1 layout a5135-h figure 10: pin-out information (top view) a5135-h.

  • Page 22

    V1.0 - dec-16 user’s manual page 22 of 38 5.2 description a5135-h signals pin symbol function description 1 nrst input reset input, active low 2 v_bak power supply back - up pin of module for “super cap” or battery 3 vcc3v3 power supply 3.0 – 3.6 v dc 4 wakeup output - status of digital section, pus...

  • Page 23

    V1.0 - dec-16 user’s manual page 23 of 38 table 4: pin description a5135-h 20 nc none leave open 21 tx / (spi do) output serial data output. - nmea output if configured for uart - spi data out pin when module works in spi mode. 22 rx / (spi di) / (host port i2c_dio) input serial data input. - nmea i...

  • Page 24

    V1.0 - dec-16 user’s manual page 24 of 38 6 electrical characteristics 6.1 operating conditions pin description min typical max 3 vcc 3.0v 3.3v 3.6v full power mode (searching) peak current (1) 42ma full power mode (searching) average current (2) 36ma full power mode (tracking) average current (3) 2...

  • Page 25

    V1.0 - dec-16 user’s manual page 25 of 38 6.3 dc electrical characteristics symbol parameter min max unit tx0, wakeup voh @ 4ma 2.6 vcc v vol @ 4ma 0.45 v rx0 vih 2.0 vcc v vil 0.8 v nrst for safe reset 0.2 v on_off vih 1.35 vcc v vil -0.3 0.45 v table 7: dc electrical characteristics.

  • Page 26: 7 Mounting

    V1.0 - dec-16 user’s manual page 26 of 38 7 mounting this chapter describes the suggested mounting process for the a5135-h gps+glonass receiver modules. In a rohs compliant product with a rohs compliant process it is recommended to use chemical tin as the counter-part to the module’s pins. This will...

  • Page 27

    V1.0 - dec-16 user’s manual page 27 of 38 figure 12: proposal (1) of the pcb design 2. If proposal 1 is not allowed. Placed a round copper keep out region (diameter ≥ 3mm) on the application pcb underneath the rf feed-point to alleviate the inter- ference from rf signal to other part of circuitries....

  • Page 28

    V1.0 - dec-16 user’s manual page 28 of 38 7.3 recommended profile for reflow soldering typical values for reflow soldering of the module in convection or ir/convection ovens are as follows (according to ipc/jedec j-std-020d): parameter value peak temperature (rohs compliant process) 245°c average ra...

  • Page 29

    V1.0 - dec-16 user’s manual page 29 of 38 8 use of external antenna 8.1 connection of rf signal the ant_ext pin is used to connect the receiver with the gps+glonass an- tenna. The design of the antenna connection has to be strictly done according to rf design rules. A 50 Ω pcb strip line is required...

  • Page 30

    V1.0 - dec-16 user’s manual page 30 of 38 8.2 external antenna 8.2.1 recommended parameters general gps+glonass active antenna specification: limitations: • supply voltage according to voltage fed into vant pin (5 v max.) • supply current 50 ma (max.) recommendations: • gain ≥ 20 db (should not exce...

  • Page 31: 9 Quality And Reliability

    V1.0 - dec-16 user’s manual page 31 of 38 9 quality and reliability 9.1 environmental conditions operating temperature -40°c … +85 ° c operating humidity max. 85% r. H., non-condensing, at 85 ° c msl jedec (moisture sensitivity level) 3 storage 6 months in original package table 9: environmental con...

  • Page 32: 10 Applications And Hints

    V1.0 - dec-16 user’s manual page 32 of 38 10 applications and hints 10.1 initial module start after initially applying power to the module, it is necessary to start the internal firm- ware by toggling the on_off pin. Toggling is done by pulling the signal to high for about 200ms. This first toggling...

  • Page 33

    V1.0 - dec-16 user’s manual page 33 of 38 10.5 hibernate mode in order to enter hibernate mode it is necessary to send a shutdown command or to toggle to on_off pin by pulling the signal to high for about 200ms. Starting with firmware version 5.7.7 the according command is supported in nmea and sirf...

  • Page 34

    V1.0 - dec-16 user’s manual page 34 of 38 the nmea messages containing absolute timing information (utc time) are pro- vided around 300ms after the 1pps signal typically. This may change with the gps+glonass receiver setup. The 1pps signal is provided on a “as is” basis with no accuracy specificatio...

  • Page 35

    V1.0 - dec-16 user’s manual page 35 of 38 11 evaluation kit eva5135-h for demonstration and easy evaluation of gps+glonass performance maestro offers an evaluation kit (including one gps+glonass a5135-h module). It con- tains a usb interface with according drivers to connect easily to a pc. The usb ...

  • Page 36: 12 Related Information

    V1.0 - dec-16 user’s manual page 36 of 38 12 related information 12.1 contact this manual was created with due diligence. We hope that it will be helpful to the user to get the most out of the gps+glonass module. Any inputs regarding possible errors or mistakable verbalizations, and comments or prop...

  • Page 37: 13 List Of Figures

    V1.0 - dec-16 user’s manual page 37 of 38 13 list of figures figure 1: a5135-h label ............................................................................................ 8 figure 2: a5135-h tape specifications (1) ............................................................... 10 figure 3: a...

  • Page 38: 14 List Of Tables

    V1.0 - dec-16 user’s manual page 38 of 38 14 list of tables table 1: a5135-h gps+glonass characteristics .................................................. 9 table 2: a5135-h dimensions and weight ................................................................ 9 table 3: additional equipment .........