User's Manual

SIM548C EVB User Guide
SIM548C-EVB_ UGD _V1.01 04.05.2008
3
Contents
Contents ............................................................................................................................................3
1 Overview........................................................................................................................................6
2 EVB accessory ...............................................................................................................................8
3 Accessory interface ........................................................................................................................9
3.1 Power interface.....................................................................................................................9
3.2 Audio interface .....................................................................................................................9
3.3 SIM card interface..............................................................................................................10
3.4 Antenna interface ...............................................................................................................11
3.4.1 GSM antenna interface.............................................................................................11
3.4.2 GPS antenna interface ..............................................................................................12
3.5 RS232 interface..................................................................................................................13
3.5.1 GSM part ..................................................................................................................13
3.5.2 GPS part ...................................................................................................................14
3.6 Operating status LED.........................................................................................................15
3.6.1 GSM part ..................................................................................................................15
3.6.2 GPS part ...................................................................................................................16
4 Test interface ................................................................................................................................17
4.1 GSM serial ports ................................................................................................................17
4.2 LCD & ADC ......................................................................................................................18
4.3 GPS control & I/O..............................................................................................................19
4.5 GPS serial ports and power ................................................................................................20
5 EVB and accessory equipment.....................................................................................................21
6 Illustration ....................................................................................................................................22
6.1 GSM part............................................................................................................................22
6.1.1 Running ....................................................................................................................22
6.1.2 Connecting Net and calling ......................................................................................22
6.1.3 Downloading ............................................................................................................22
6.1.4 Turn off.....................................................................................................................22
6.1.5 Charging ...................................................................................................................23
6.2 GPS part .............................................................................................................................23
6.1.1 Running: ...................................................................................................................23
6.1.2 Tracking the satellite signals ....................................................................................24
6.1.3 Downloading ............................................................................................................24
6.1.4 Turn off and Reset ....................................................................................................24