CONTENT
1 SYSTEM OVERVIEW ................................................................................................................ 6
1.1 INTRODUCTION ........................................................................................................................ 6
1.2 SYSTEM MODULE .................................................................................................................... 8
1.3 ARCHITECTURE DIAGRAM ....................................................................................................... 9
2 HARDWARE SYSTEM ............................................................................................................ 10
2.1 HARDWARE OVERVIEW ......................................................................................................... 10
2.1.1 Single Board Computer .................................................................................................. 10
2.1.2 Hardware Features ......................................................................................................... 11
2.1.3 Electric Characteristic .................................................................................................... 12
2.1.4 Schematic ....................................................................................................................... 12
2.2 HARDWARE INTERFACE ......................................................................................................... 12
2.2.1 USB host & USB Interface ............................................................................................ 12
2.2.2 Network interface ........................................................................................................... 13
2.2.3 Camera Interface ............................................................................................................ 13
2.2.4 MMC Interface ............................................................................................................... 14
2.2.5 UART1 Interface ............................................................................................................ 14
2.2.6 Analog IO Interface........................................................................................................ 15
2.2.7 Digital IO Interface ........................................................................................................ 15
2.2.8 TFT_LCD Interface ....................................................................................................... 16
2.2.9 PC104 Interface .............................................................................................................. 17
2.2.10 Multifunctional Expansion Interface ............................................................................ 20
2.2.11 Can/485 Interface ......................................................................................................... 20
2.2.12 Power Interface ............................................................................................................ 21
2.2.13 UART (TTL) Interface ................................................................................................. 21
2.2.14 JTAG Interface ............................................................................................................. 22
3 LINUX SYSTEM ....................................................................................................................... 23
3.1 LINUX SYSTEM OVERVIEW .................................................................................................... 23
3.1.1 Pre-installed software ..................................................................................................... 23
3.1.2 BSP features ................................................................................................................... 24
3.2 LINUX SYSTEM QUICK OPERATION ....................................................................................... 26
3.2.1 System boot methods ..................................................................................................... 27
3.2.2 Display Options .............................................................................................................. 27
3.2 3 Linux Function Test ....................................................................................................... 28
3.3 LINUX IMAGE UPDATE........................................................................................................... 39
3.3.1 Update the image for SD card ........................................................................................ 39
3.3.2 Update the image for NAND Flash ................................................................................ 42
3.4 LINUX SYSTEM DEVEPLOPMENT ........................................................................................... 44
3.4.2 system complie ............................................................................................................... 45
3.4.3 System Customization .................................................................................................... 46
3.4.4 THE DEVELOPMENT OF APPLICATION ................................................................................ 48