Table of Contents
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Smart Module Series
Figure Index
Figure 1: Functional Diagram ..................................................................................................................... 18
Figure 2: Pin Assignment (Perspective View) ............................................................................................ 20
Figure 3: Voltage Drop Sample .................................................................................................................. 33
Figure 4: Star Structure of Power Supply .................................................................................................. 34
Figure 5: Reference Circuit of Power Supply ............................................................................................. 34
Figure 6: Turn On the Module Using Driving Circuit .................................................................................. 35
Figure 7: Turn On the Module Using Keystroke ......................................................................................... 35
Figure 8: Power-Up Timing ........................................................................................................................ 36
Figure 9: Restart Timing ............................................................................................................................. 37
Figure 10: Reference Design for Battery Charging Circuit ........................................................................ 39
Figure 11: Reference Design for USB1 Interface ...................................................................................... 40
Figure 12: Reference Design for USB1 Power Supply .............................................................................. 41
Figure 13: Reference Design for USB2 Interface ...................................................................................... 41
Figure 14: Reference Design for USB2 Power Supply .............................................................................. 42
Figure 15: Reference Circuit with Level Translator Chip (for UART0) ....................................................... 43
Figure 16: RS-232 Level Match Circuit (for UART0) ................................................................................. 44
Figure 17: Reference Circuit for (U)SIM Interface with an 8-pin (U)SIM Card Connector ........................ 45
Figure 18: Reference Circuit for (U)SIM Interface with a 6-pin (U)SIM Card Connector .......................... 45
Figure 19: Reference Circuit for SD Card Interface ................................................................................... 47
Figure 20: Reference Circuit Design for LCM Interface ............................................................................. 52
Figure 21: Reference Design of LCM External Backlight Driving Circuit .................................................. 53
Figure 22: Reference Circuit Design for Touch Panel Interface ................................................................ 54
Figure 23: Reference Circuit Design for Two-Camera Applications .......................................................... 56
Figure 24: Reference Design for ECM Microphone ................................................................................... 60
Figure 25: Reference Design for MEMS Microphone ................................................................................ 60
Figure 26: Reference Circuit Design for Earpiece Interface ...................................................................... 61
Figure 27: Reference Circuit Design for Headset Interface ....................................................................... 61
Figure 28: Reference Circuit Design for Loudspeaker Interface ............................................................... 62
Figure 29: Reference Circuit Design for Emergency Download Interface ................................................. 63
Figure 30: Reference Circuit Design for Main and Rx-diversity Antenna Interfaces ................................. 73
Figure 31: Reference Circuit Design for Wi-Fi/Bluetooth Antenna Interface ............................................. 74
Figure 32: Reference Circuit Design for GNSS Passive Antenna ............................................................. 75
Figure 33: Reference Circuit Design for GNSS Active Antenna ................................................................ 75
Figure 34: Microstrip Line Design on a 2-layer PCB ................................................................................. 76
Figure 35: Coplanar Waveguide Line Design on a 2-layer PCB ............................................................... 76
Figure 36: Coplanar Waveguide Line Design on a 4-layer PCB (Layer 3 as Reference Ground) ............ 77
Figure 37: Coplanar Waveguide Line Design on a 4-layer PCB (Layer 4 as Reference Ground) ............ 77
Figure 38: Dimensions of the U.FL-R-SMT Connector (Unit: mm) ............................................................ 79
Figure 39: Mechanicals of U.FL-LP Connectors ........................................................................................ 79
Figure 40: Space Factor of Mated Connector (Unit: mm) .......................................................................... 80
Figure 41: Module Top and Side Dimensions ............................................................................................ 96
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design
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