
Contents
Copyright Statement ...................................................................................................2
Chapter 1 G4418 Development Board Introduction...............................................7
1.1 G4418 Development Board Product Brief ...............................................................8
1.2 G4418 Development Board Features .......................................................................8
1.3 Equipped System Brief Introduction ........................................................................9
1.3.1 Android 5.1 OS....................................................................................................9
1.3.2 Linux QT OS.......................................................................................................10
1.3.3 Ubuntu OS..........................................................................................................10
Chapter 2 G4418 Development Board Design ......................................................11
2.2 Guideline for G4418 Development Board Start-Up ...................................................13
2.3 G4418 Development Board Interface Definition ...............................................14
2.3.1 G4418 SOM PIN Definition 1 ............................................................................14
2.3.2 G4418 SOM PIN Definition 2 ............................................................................14
2.3.3 G4418 SOM PIN Definition 3 ............................................................................15
2.3.4 G4418 SOM PIN Definition 4 ............................................................................16
2.3.5 G4418 SOM PIN Definition 5 ............................................................................16
2.3.6 J18(SPI Expansion port) ....................................................................................17
2..3.7 LCD1 (LCD & VGA Expansion port) ..............................................................17
2.3.8 J14(LVDS Expansion port).................................................................................18
2..3.9 J12(MIPI Expansion port) ................................................................................18
2..3.10 U451(DVP camera Interface)......................................................................18
2.3.11 J15(MIPI camera Interface) .........................................................................19
2.3.12 J11(UART1,COM1)............................................................................................19
2.3.13 J17(UART1,COM3)............................................................................................19
2.4 G4418 Development Board Interfaces........................................................................19
2.4.1 Power Switch and Socket ..................................................................................19
2.4.2 Debugging Serial Port ........................................................................................20
2.4.3 HDMI Interface ...................................................................................................20
2.4.4 DVP Camera Interface........................................................................................20
2.4.5 MIPI Camera Interface.......................................................................................21
2.4.6 Ethernet Interface ..............................................................................................21
2.4.7 Earphone Interface.............................................................................................21
2.4.8 Speaker Interface ...............................................................................................21
2.4.9 Record Interface .................................................................................................22
2.4.10 TF Card Slot.......................................................................................................22
2.4.11 Independent Button .........................................................................................22
2.4.12 Debug LED light................................................................................................22
2.4.13 Power Indicator.................................................................................................23
2.4.14 USB OTG Interface ...........................................................................................23
2.4.15 USB HOST Interface.........................................................................................23
2.4.16 Power Button.....................................................................................................23
2.4.17 Reset Button......................................................................................................23