3.2.10 PC104-40 .............................................................................. 16
3.2.11 Multifunctional Expansion Interface .......................................... 19
3.2.12 Can/485 Interface .................................................................. 20
3.2.13 UART (TTL) Interface .............................................................. 21
3.2.14 JTAG Interface ....................................................................... 22
4 Linux System ................................................................... 23
4.1 Linux system Overview .................................................. 23
4.1.1 Pre-installed software ............................................................... 23
4.1.2 BSP Features ........................................................................... 25
4.2 Linux System Quick Operation......................................... 26
4.2.1 Windows System Environment Preparation ................................. 26
4.2.2 SOC8200 Hardware Environment Preparation .............................. 27
4.2.3 System boot methods .............................................................. 27
4.2.4 Display Options ....................................................................... 28
4.3 Linux Function Tests ...................................................... 29
4.3.1 LED Test ................................................................................. 29
4.3.2 Touchscreen Test ..................................................................... 29
4.3.3 RTC Test ................................................................................. 30
4.3.4 MMC/SD Card Test ................................................................... 30
4.3.5 USB OTG Test ......................................................................... 31
4.3.6 USB HOST Test ....................................................................... 33
4.3.7 Network Test ........................................................................... 34
4.3.8 Camera Test ........................................................................... 34
4.3.9 CAN Test ................................................................................ 35
4.3.10 ADC Test .............................................................................. 35
4.3.11 SD Card Test ......................................................................... 36
4.3.12 Buzzer Test ........................................................................... 36
4.3.13 Audio Test ............................................................................. 36
4.3.14 Full-function Serial Port Test ................................................... 39
4.3.15 Digital Output Test ................................................................. 42
4.4 Linux Image Update ....................................................... 42
4.4.1 Update the image on an SD card ............................................... 42
4.4.2 Update the image in the NAND Flash .......................................... 46
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