Siemens XT55 AVL 4.3 Digital Inputs

XT55 AVL User’s Guide

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mo b i l e

XT55_avl_ug_V03 Page 35 of 37 28.06.2004

4.3 Digital Inputs

The input pins (pin 20 – GPIO 15, pin 30 – GPIO 3) of the 80-pin board-to-board connector

are pre-defined as digital inputs.

These input pins can be connected to the CMOS +3.3V DC. The figure below illustrates how

to connect these inputs.

Figure 12: Connection example for GPIO 15 and GPIO 3

Contents

Main Page Contents Figures Tables 0 Version history 1 Overview of the document 1.1 Hardware configuration 1.2 Related documents 2 How to configure and evaluate the XT55 module 2.1 Terminal emulator setup Page Page Page Page 3 Tracking 3.1 History function XT55 AVL Users Guide Confidential/Released s XT55_avl_ug_V03 Page 15 of 37 28.06.2004 History - Filter *) X >= 3; 3.1.1 Configuration examples 3.2 XT55 AVL software main features at a glance XT55 AVL Users Guide 3.2.1 Extended NMEA commands 3.2.1.1 Command Syntax field = PSRF112,21 XT55 AVL Users Guide 3.2.1.2 Extended NMEA command description $PSRF109 Confidential/Released s *XX // CheckSum has to be calculated. Page Page Page Page Page Page Page Confidential/Released s $ Page Page Page Page Page 4 Software interface 4.1 NMEA output messages 4.2 How to switch the XT55 AVL in the command mode and vice versa 4.3 Digital Inputs Confidential/Released Figure 13: Example application of XT55 module with integrated AVL software GPS GSM XT55 AVL