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FIBOCOM NL668-AM Hardware User Manual
Page 6 of 62
Figure
Figure 2-1 Hardware Diagram ............................................................................................................ 15
Figure 3-1 Pin Distribution Diagram(TOP plan perspective diagram) ................................................ 16
Figure 3-2 Power Design .................................................................................................................... 23
Figure 3-3 Power Limit ........................................................................................................................ 24
Figure 3-4 OC/OD Drive Power on Reference Circuit ........................................................................ 26
Figure 3-5 Button Power on Reference Circuit ................................................................................... 26
Figure 3-6 Power on Timing Control Diagram .................................................................................... 27
Figure 3-7 Power off Timing Control Diagram .................................................................................... 28
Figure 3-8 RESET_N OC/OD Drive Reference Circuit ...................................................................... 29
Figure 3-9 RESET_N Button Reference Circuit ................................................................................. 29
Figure 3-10 Reset Control Timing ....................................................................................................... 29
Figure 3-11 SIM Card Slot Diagram SIM016-8P-220P ....................................................................... 32
Figure 3-12 USIM/SIM Interface with Detection Signal Reference Design ........................................ 32
Figure 3-13 USIM/SIM Interface without Detection Signal Reference Design Diagram .................... 33
Figure 3-14 UART Level Translate Reference Circuit 1 ..................................................................... 35
Figure 3-15 UART Level Translate Reference Circuit 2 ..................................................................... 36
Figure 3-16 NET_MODE Reference Design Diagram........................................................................ 37
Figure 3-17 PCM_SYNC Timing ......................................................................................................... 41
Figure 3-18 PCM_CODEC to NL668-AM Timing ............................................................................... 41
Figure 3-19 NL668-AM to PCM_CODEC Timing ............................................................................... 41
Figure 3-20 CODEC Timing Parameters ............................................................................................ 42
Figure 4-1RF Reference Circuit Design ............................................................................................. 45
Figure 4-2 GNSS RF Reference Circuit ............................................................................................. 46
Figure 6-1Module Product Appearance (Top) .................................................................................... 52
Figure 6-2 Module Product Appearance (Bottom) .............................................................................. 52
Figure 6-3 Dimension of Structure (Unit: mm) .................................................................................... 53