Quectel SC200E Series User Manual

Smart Module Series
SC200E_Series_Hardware_Design 10 / 115
Figure Index
Figure 1: Functional Diagram ..................................................................................................................... 22
Figure 2: Pin Assignment (Top View) ......................................................................................................... 24
Figure 3: Voltage Drop Sample .................................................................................................................. 36
Figure 4: Reference Circuit for the Power Supply ..................................................................................... 37
Figure 5: Reference Circuit of Power Supply ............................................................................................. 37
Figure 6: Turn On the Module with Open Collector Driver ......................................................................... 38
Figure 7: Turn On the Module Using Button .............................................................................................. 38
Figure 8: Turn-on Timing ............................................................................................................................ 39
Figure 9: Forced Turn-off Timing ................................................................................................................ 40
Figure 10: RTC Powered by Coin Cell ....................................................................................................... 40
Figure 11: Reference Design for Battery Charging Circuit ........................................................................ 42
Figure 12: USB Interface Reference Design (OTG Supported) ................................................................ 44
Figure 13: Reference Circuit with Level Translator Chip for UART0 ......................................................... 46
Figure 14: RS-232 Level Match Circuit for UART0 .................................................................................... 46
Figure 15: Reference Circuit for (U)SIM Interface with an 8-pin (U)SIM Card Connector ........................ 48
Figure 16: Reference Circuit for (U)SIM Interface with a 6-pin (U)SIM Card Connector .......................... 48
Figure 17: Reference Circuit for the SD Card Interface ............................................................................. 50
Figure 18: Reference Circuit for Motor Connection ................................................................................... 54
Figure 19: Reference Circuit Design for LCM Interface ............................................................................. 55
Figure 20: Reference Design for LCM External Backlight Driving Circuit ................................................. 56
Figure 21: Reference Circuit Design for the Touch Panel Interface .......................................................... 57
Figure 22: Reference Circuit Design for 3-Camera Applications ............................................................... 60
Figure 23: Reference Circuit Design for ECM Microphone Interface ........................................................ 64
Figure 24: Reference Circuit Design for MEMS Microphone Interface ..................................................... 64
Figure 25: Reference Circuit Design for Earpiece Interface ...................................................................... 65
Figure 26: Reference Circuit Design for Headset Interface ....................................................................... 65
Figure 27: Reference Circuit Design for Lineout Interface ........................................................................ 66
Figure 28: Reference Circuit Design for Emergency Download Interface ................................................. 67
Figure 29: Reference Circuit Design for Main and Rx-diversity Antenna Interfaces ................................. 77
Figure 30: Reference Circuit Design for Wi-Fi/Bluetooth Antenna ............................................................ 78
Figure 31: Reference Circuit Design for Passive GNSS Antenna ............................................................. 79
Figure 32: Reference Circuit Design for Active GNSS Antenna ................................................................ 80
Figure 33: Microstrip Design on a 2-layer PCB ......................................................................................... 81
Figure 34: Coplanar Waveguide Design on a 2-layer PCB ....................................................................... 81
Figure 35: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground) .................... 81
Figure 36: Coplanar Waveguide Design on a 4-layer PCB (Layer 4 as Reference Ground) .................... 81
Figure 37: Dimensions of the U.FL-R-SMT Receptacle (Unit: mm) .......................................................... 83
Figure 38: Mechanicals of U.FL-LP Plugs ................................................................................................. 84
Figure 39: Space Factor of Mated Connectors (Unit: mm) ........................................................................ 84
Figure 40: Module Top and Side Dimensions .......................................................................................... 100
Figure 41: Module Bottom Dimensions (Bottom View) ............................................................................ 101

Quectel SC200E Series Specifications

General

Brand	Quectel
Model	SC200E Series
Category	GSM/GPRS Modules
Language	English