SimCom SIM5320AL, User Manual

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Smart Machine Smart Decision
SIM5320AL_User Manual_V1.01 2014-08-20 4
Contents
Revision History............................................................................................................................................10
1 Introduction................................................................................................................................................11
1.1 Product Outline......................................................................................................................................11
1.2 Hardware Interface Overview............................................................................................................... 11
1.3 Hardware Diagram................................................................................................................................ 11
1.4 Functional Overview.............................................................................................................................12
2 Package Information................................................................................................................................. 13
2.1 Pin Configuration.................................................................................................................................. 13
2.2 Pin description.......................................................................................................................................17
2.3 Package Dimensions............................................................................................................................. 19
2.4 Footprint Recommendation...................................................................................................................21
3 Application Interface Specification..........................................................................................................22
3.1 Power Supply........................................................................................................................................ 22
3.1.1 Power Supply Pin........................................................................................................................... 22
3.1.2 Design Guide.................................................................................................................................. 22
3.1.3 RTC Backup....................................................................................................................................24
3.2 Power on/off Time Sequence................................................................................................................ 26
3.2.1 Power on Sequence.........................................................................................................................26
3.2.2 Power off Sequence........................................................................................................................ 28
3.3 UART Interface..................................................................................................................................... 29
3.3.1 Pin Description............................................................................................................................... 30
3.3.2 Application Guide...........................................................................................................................31
3.4 Audio Interfaces (For SIM5320AL only ） ...........................................................................................32
3.4.1 Pin Description............................................................................................................................... 32
3.4.2 Design Guide.................................................................................................................................. 32
3.4.3 Audio Parameter Characteristic......................................................................................................34
3.5 USIM Interface......................................................................................................................................35
3.5.1 Pin description................................................................................................................................ 35
3.5.2 Application Guide...........................................................................................................................36
3.5.3 Recommend Components...............................................................................................................36
3.6 I2C Interface..........................................................................................................................................37
3.6.1 Pin Description............................................................................................................................... 38
3.6.2 Signal Description.......................................................................................................................... 38
3.6.3 Design Guide.................................................................................................................................. 38
3.7 Keypad Interface................................................................................................................................... 38
3.7.1 Pin Description............................................................................................................................... 38
3.7.2 Application Guide...........................................................................................................................39
3.8 USB Interface........................................................................................................................................40
3.8.1 Application Guide...........................................................................................................................40
3.9 SPI Interface..........................................................................................................................................41
3.9.1 Pin Description............................................................................................................................... 41