User's Manual

A7608SA-H_User Manual_V1.00
2022-08-26
Smart Machine Smart Decision
Contents
Contents............................................................................................................................................... 5
Table Index.......................................................................................................................................... 7
Figure Index.........................................................................................................................................9
Revision History................................................................................................................................ 10
1 Introduction.................................................................................................................................... 11
1.1 Product Outline..........................................................................................................................11
1.2 Hardware Interface Overview................................................................................................... 11
1.3 Hardware Block Diagram..........................................................................................................13
1.4 Functional Overview................................................................................................................. 14
2 Package Information..................................................................................................................... 16
2.1 Pin Assignment Overview.........................................................................................................16
2.2 Pin Description..........................................................................................................................18
2.3 Mechanical Information............................................................................................................ 22
2.4 Footprint Recommendation.......................................................................................................23
3 Interface Application..................................................................................................................... 24
3.1 Power Supply............................................................................................................................ 24
3.1.1 Power Supply Design Guide...............................................................................................25
3.1.2 Recommended Power Supply Circuit.................................................................................26
3.1.3 Voltage Monitor.................................................................................................................. 26
3.2 Power on/Power off/Reset Function......................................................................................... 27
3.2.1 Power on............................................................................................................................. 27
3.2.2 Power off.............................................................................................................................28
3.2.3 Reset Function.....................................................................................................................29
3.3 UART Interface......................................................................................................................... 30
3.3.1 UART Design Guide...........................................................................................................30
3.3.2 RI and DTR Behavior......................................................................................................... 31
3.4 USB Interface............................................................................................................................32
3.5 USIM Interface..........................................................................................................................33
3.5.1 USIM Application Guide....................................................................................................33
3.6 PCM Interface........................................................................................................................... 36
3.6.1 PCM timing.........................................................................................................................36
3.6.2 PCM Application Guide......................................................................................................38
3.7 SD Interface...............................................................................................................................38
3.8 I2C Interface..............................................................................................................................39
3.9 SDIO Interface.......................................................................................................................... 40
3.10 SPI Interface............................................................................................................................ 40
3.11 Network status......................................................................................................................... 40
3.12 Flight Mode Control................................................................................................................41
3.13 Other interface.........................................................................................................................42
3.13.1 Sink Current Source..........................................................................................................42