1. DL manuals
  2. Fastrax
  3. GPS
  4. ITrax02
  5. User Manual

Fastrax ITrax02 User Manual

Manual is about: Evaluation Kit

Summary of ITrax02

  • Page 1

    Rev 1.2 user manual itrax02 evaluation kit 1.08 this manual explains the setting up of the evaluation kit. December 12, 2002 fastrax oy.

  • Page 2

    2002-12-12 page 2 of 20 evalkit user manual change log rev. Notes date 1.0 initial revision 12-12-2002 1.1 added references 12-12-2002 1.2 updated table of contents 12-12-2002.

  • Page 3

    2002-12-12 page 3 of 20 evalkit user manual contents 1. Description of the evaluation kit .................................................... 5 1.1 external interfaces ............................................................................... 5 1.2 ac/dc power supply..............................

  • Page 4

    2002-12-12 page 4 of 20 evalkit user manual complementary reading the following reference documents are complementary reading for this document: ref. # file name document name 01 install.Pdf itrax02 evaluation kit: installation guide 02 uguide.Pdf itrax02 evaluation kit: gps workbench users guide.

  • Page 5

    2002-12-12 page 5 of 20 evalkit user manual 1. Description of the evaluation kit the following items are included in the evaluation kit ! Evaluation kit including motherboard and itrax02 ! Ac/dc power supply ! Two rs232 cables (null modem) ! Gps antenna ! Installation cd including gps workbench and ...

  • Page 6

    2002-12-12 page 6 of 20 evalkit user manual figure 1 back panel of the evaluation kit the following external interfaces are available: ! Antenna connector for external gps antenna (sma-female) ! Dc-power connector (2.1mm socket) ! Two rs232 ports (db9m) ! Off/on/reset switch with built-in led for po...

  • Page 7

    2002-12-12 page 7 of 20 evalkit user manual ! Supplied with a 1.8m integral lead and 5 interchangeable output plugs. Correct plug (2.1 mm) and polarity is preset in factory. Note! The suitable mains plug must be fitted prior usage. Note! The suitable input voltage range is from +6 to +9vdc. A direct...

  • Page 8

    2002-12-12 page 8 of 20 evalkit user manual 2 3 rx tx 2 3 rx tx 5 gnd 5 gnd figure 3 null modem cable with minimum connections 1.4 on/off/reset switch the switch located on the back panel has a two-fold purpose: 1. Function as an on/off switch 2. Function as an external reset switch for the itrax02 ...

  • Page 9

    2002-12-12 page 9 of 20 evalkit user manual the antenna is intended for magnet mounting. Place the antenna outside, preferably on the roof with good whole sky satellite visibility. If needed, the antenna installation can be extended with an extra cable, but the cable loss should not exceed 10…15db..

  • Page 10

    2002-12-12 page 10 of 20 evalkit user manual 2. Idc-40 i/o-connector the following i/o-connections are available at the back panel (pin 1 at the upper right corner, pin 2 at the lower right corner etc.): table 1 idc-40 i/o connector x6 pin signal name in/out description 1 gpio0 i/o general purpose i...

  • Page 11

    2002-12-12 page 11 of 20 evalkit user manual (1): the un8031 in itrax02 includes a keeper so that in the evaluation kit the gpio lines have pull-up resistors of 4.7 kohms. See also itrax02 interface description for further information..

  • Page 12

    2002-12-12 page 12 of 20 evalkit user manual 3. Setting up the hardware 3.1 jumper settings for antenna bias (i/o-connector) the antenna port on itrax02 can be supplied with an external bias. On the evaluation kit the bias can be either +5v or +3.3v. The following jumper settings are available on th...

  • Page 13

    2002-12-12 page 13 of 20 evalkit user manual 3.5 jumper setting for antenna bias voltage shut-down (internal) the jumper across x7-1- x7-2 provides an active shut-down of the antenna bias voltage (e.G. During sleep mode) that is controlled by the gpio13 from itrax02. If the jumper is omitted, the bi...

  • Page 14

    2002-12-12 page 14 of 20 evalkit user manual 4. Motherboard pcb 4.1 general description the evaluation kit includes a motherboard pcb for providing the necessary interface electronics and connectors for both itrax02 and external interfaces located on the back panel. The following figure shows the bl...

  • Page 15

    2002-12-12 page 15 of 20 evalkit user manual 4.2 pcb documents the schematics of the motherboard electronics, the components layout of the motherboard and the bill of materials (bom) can be found in appendices..

  • Page 16

    2002-12-12 page 16 of 20 evalkit user manual 5. Appendices 5.1 description of gpio leds the standard itrax02 firmware uses the gpio for debug purposes, see the following table (the led is active when the gpio is at low state). Led meaning task when 0 calculating pseudo-ranges msgtask low 1 calculati...

  • Page 17

    2002-12-12 page 17 of 20 evalkit user manual 5.2 schematics.

  • Page 18

    2002-12-12 page 18 of 20 evalkit user manual 5.3 components layout.

  • Page 19

    2002-12-12 page 19 of 20 evalkit user manual 5.4 bom bill of materials for d.Sch on 2001-11-16 --------------------------------------------------------------------------------------------- item val# qty reference part name manufacturer ----------------------------------------------------------------...

  • Page 20

    2002-12-12 page 20 of 20 evalkit user manual resistor, smd 33k2 3 r6 r15 r56 1% 100 ppm 0805 resistor, smd 39k2 1 r14 1% 100 ppm 0805 resistor, smd 56k2 1 r13 1% 100 ppm 0805 resistor, trim 100k 2 r7 r57 trimmer 4mm smd ic lp2951acm 3 a1-2 a5 v.Reg. Adj. 100ma so8 national resistor, array 8x4k7 2 re...