Smart Machine Smart Decision
SIM521x EVB User Guide
11.04.2011
2
Contents
Contents ............................................................................................................................................2
Figure Index ......................................................................................................................................3
Table Index........................................................................................................................................3
Version History .................................................................................................................................4
1 Overview........................................................................................................................................5
2 SIM521x EVB ...............................................................................................................................6
3 EVB accessories.............................................................................................................................8
4 Accessory Interface ........................................................................................................................9
4.1 Power Interface ....................................................................................................................9
4.2 Audio Interface...................................................................................................................10
4.3 SIM card interface..............................................................................................................11
4.4 SD card interface................................................................................................................12
4.5 RS232 Interface..................................................................................................................13
4.6 Operating Status LED ........................................................................................................14
4.7 Camera interface ................................................................................................................15
4.8 USB interface .....................................................................................................................19
4.9 Switch interface..................................................................................................................19
4.10 IIC expand IO interface....................................................................................................20
4.11 Audio & GPIO interface...................................................................................................21
5 EVB and accessories....................................................................................................................22
6 Quickly start.................................................................................................................................23
6.1 Running..............................................................................................................................23
6.2 Installing Driver .................................................................................................................23
6.3 Connecting Net and calling ................................................................................................24
6.4 Downloading ......................................................................................................................24
6.5 Turning off .........................................................................................................................25
6.6 Measuring the current consumption ...................................................................................25
