User's Manual

Smart Machine Smart Decision
SIM5320A_Hardware Design_V1.01 2011-2-29
4
Contents
Revision History ........................................................................................................................................ 10
1 Introduction .........................................................................................................................................11
1.1 Product Outline...............................................................................................................................11
1.2 Hardware Interface Overview.........................................................................................................11
1.3 Hardware Diagram......................................................................................................................... 12
1.4 Functional Overview...................................................................................................................... 12
2 Package Information.......................................................................................................................... 14
2.1 Pin Configuration........................................................................................................................... 14
2.2 Pin description ............................................................................................................................... 16
2.3 Package Dimensions...................................................................................................................... 19
2.4 Footprint Recommendation ........................................................................................................... 20
3 Application Interface Specification................................................................................................... 21
3.1 Power Supply................................................................................................................................. 21
3.1.1 Power Supply Pin.................................................................................................................... 21
3.1.2 Design Guide .......................................................................................................................... 22
3.1.3 RTC Backup............................................................................................................................ 25
3.2 Power on/off Time Sequence ......................................................................................................... 27
3.2.1 Power on Sequence ................................................................................................................. 27
3.2.2 Power off Sequence ................................................................................................................ 28
3.3 UART Interface.............................................................................................................................. 30
3.3.1 Pin Description........................................................................................................................ 31
3.3.2 Application Guide................................................................................................................... 31
3.4 Audio Interfaces............................................................................................................................. 32
3.4.1 Pin Description........................................................................................................................ 33
3.4.2 Design Guide .......................................................................................................................... 33
3.4.3 Audio Parameter Characteristic .............................................................................................. 35
3.5 USIM Interface .............................................................................................................................. 36
3.5.1 Pin description ........................................................................................................................ 36
3.5.2 Application Guide................................................................................................................... 36
3.5.3 Recommend Components ....................................................................................................... 37
3.6 I2C Interface .................................................................................................................................. 38
3.6.1 Pin Description........................................................................................................................ 39
3.6.2 Signal Description................................................................................................................... 39
3.6.3 Design Guide .......................................................................................................................... 39
3.7 Keypad Interface............................................................................................................................ 39
3.7.1 Pin Description........................................................................................................................ 39
3.7.2 Application Guide................................................................................................................... 40
3.8 USB Interface ................................................................................................................................ 41
3.8.1 Application Guide................................................................................................................... 41
3.9 SPI Interface .................................................................................................................................. 42
3.9.1 Pin Description........................................................................................................................ 42