Quectel SG560D Series Hardware Design page 11

Smart Module Series
Figure Index
Figure 1: Functional Diagram .................................................................................................................. 18
Figure 2: Application Block Diagram ........................................................................................................ 18
Figure 3: Pin Assignment ........................................................................................................................ 24
Figure 4: Reference Circuit for Battery Charging Circuit ......................................................................... 46
Figure 5: Reference Circuit of Power Supply .......................................................................................... 47
Figure 6: Power Supply Limits During Burst Transmission ...................................................................... 47
Figure 7: Structure of Power Supply ........................................................................................................ 48
Figure 8: Turn On the Module Using Driving Circuit ................................................................................ 48
Figure 9: Turn On the Module Using Button ............................................................................................ 49
Figure 10: Turn-on Timing ....................................................................................................................... 49
Figure 11: Restart Timing ........................................................................................................................ 50
Figure 12: RTC Powered by a Rechargeable Cell Battery ...................................................................... 50
Figure 13: RTC Powered by Capacitor .................................................................................................... 51
Figure 14: USB Type-C Reference Circuit of USB0 ................................................................................ 56
Figure 15: Micro USB Reference Circuit of USB0 ................................................................................... 56
Figure 16: DisplayPort Mode Reference Circuit ...................................................................................... 58
Figure 17: Reference Circuit of (U)SIM Interface with 8-Pin (U)SIM Card Connector ............................. 62
Figure 18: Reference Circuit of (U)SIM Interface with 6-Pin (U)SIM Card Connector ............................. 62
Figure 19: Reference Circuit for SD Card Interface ................................................................................. 64
Figure 20: Reference Circuit with Level-Shifting Chip (for UART) ........................................................... 67
Figure 21: Reference Circuit with RS232 Level-Shifting Chip (for UART) ............................................... 68
Figure 22: Reference Circuit for LCM Interface ....................................................................................... 76
Figure 23: LCM External Backlight Driver Reference Circuit ................................................................... 77
Figure 24: Reference Circuit for TP Interface .......................................................................................... 78
Figure 25: Reference Circuit for Dual-Camera Applications .................................................................... 81
Figure 26: Reference Circuit for Three-Camera Applications .................................................................. 82
Figure 27: Reference Circuit for Emergency Download Interface ........................................................... 87
Figure 28: Reference Circuit for RF Antenna Interfaces .......................................................................... 96
Figure 29: Reference Circuit for GNSS Passive Antenna ........................................................................ 98
Figure 30: Reference Circuit for GNSS Active Antenna ........................................................................... 99
Figure 31: Reference Circuit for Wi-Fi/Bluetooth Antenna ..................................................................... 108
Figure 32: Reference Circuit for Wi-Fi MIMO Antenna .......................................................................... 108
Figure 33: Microstrip Design on a 2-layer PCB ..................................................................................... 109
Figure 34: Coplanar Waveguide Design on a 2-layer PCB .................................................................... 109
Figure 35: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground) ................. 109
Figure 36: Coplanar Waveguide Design on a 4-layer PCB (Layer 4 as Reference Ground) .................. 110
Figure 37: Dimensions of the Receptacle (Unit: mm) ............................................................................. 112
Figure 38: Specifications of Mated Plugs (Unit: mm) .............................................................................. 112
Figure 39: Space Factor of Mated Connectors (Unit: mm) ..................................................................... 113
Figure 40: Module Top and Side Dimensions ........................................................................................ 124
Figure 41: Module Bottom Dimensions (Bottom View) .......................................................................... 125
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