Advantech RSB-4210 Evaluation Kit Manual de usuario descargar pdf (Pagina 8)

RSB-4210 User Manual viii

3.10.1 What is a GPIO?......................................................................... 54

3.10.2 Paths in Sysfs ............................................................................. 55

3.10.3 GPIO Mapping Table .................................................................. 57

3.11 Interface Device Reference Documentation ........................................... 57

3.11.1 I2C .............................................................................................. 57

3.11.2 C example................................................................................... 57

3.11.3 UART .......................................................................................... 61

3.11.4 CAN bus ..................................................................................... 71

3.11.5 SD card /iNand /USB Disk/SATA Disk........................................ 77

3.11.6 LAN............................................................................................. 78

3.11.7 RTC ............................................................................................ 78

3.11.8 WatchDog ................................................................................... 86

3.11.9 Audio........................................................................................... 90

3.11.10Keypad/Touchscreen.................................................................. 90

3.12 Backlight Adjustment .............................................................................. 95

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Advantech RSB-4210 Evaluation Kit Manual de usuario Pagina 8