Hardware+Design V1.07

Smart Machine Smart Decision
3.10 GPIO Interface ........................................................................................................................... 40
3.10.1 Pin Description .................................................................................................................... 40
3.10.2 Application Guide ............................................................................................................... 41
3.11 PCM Interface ............................................................................................................................ 43
3.11.1 Pin Description .................................................................................................................... 43
3.11.2 Signal Description ............................................................................................................... 43
3.12 Global Positioning System ......................................................................................................... 47
3.12.1 Technical specification ........................................................................................................ 47
3.12.2 Operate Mode ...................................................................................................................... 47
3.12.3 Application Guide ............................................................................................................... 48
3.13 Multi-functional interface........................................................................................................... 49
3.13.1 Sink Current Source ............................................................................................................ 49
3.13.2 Reset Function ..................................................................................................................... 50
3.13.3 ADC..................................................................................................................................... 51
3.13.4 LDO..................................................................................................................................... 52
4 RF Specification.................................................................................................................................. 52
4.1 RF Specification ............................................................................................................................ 52
4.2 Operating Specification ................................................................................................................. 53
4.3 Antenna Design Guide................................................................................................................... 54
5 Reliability and Operating Characteristics........................................................................................ 56
5.1 Electronic Characteristics .............................................................................................................. 56
5.2 Operating Mode ............................................................................................................................. 56
5.2.1 Operating Modes Overview.................................................................................................... 57
5.2.2 Minimize Power Consumption ............................................................................................... 58
5.3 Current Consumption..................................................................................................................... 58
5.4 EMC and ESD Notes ..................................................................................................................... 61
6 Guide for Production.......................................................................................................................... 62
6.1 Top and Bottom View of SIM5320 ............................................................................................... 62
6.2 Typical Solder Reflow Profile ....................................................................................................... 62
6.3 Moisture Sensitivity Level (MSL)................................................................................................. 63
6.4 Stencil Foil Design Recommendation ........................................................................................... 63
6.5 Recommended Pad Design ............................................................................................................ 63
Appendix .................................................................................................................................................... 64
A. System Design..................................................................................................................................... 64
B. SIM5320 GPIOs List........................................................................................................................... 65
C. Digital I/O Characteristics................................................................................................................... 65
D. Related Documents ............................................................................................................................. 66
E. Terms and Abbreviations..................................................................................................................... 68
F. Safety Caution...................................................................................................................................... 70
SIM5320_Hardware Design_V1.07 2012-09-21
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