• Pinout
• I/O Information
• Overview
• Known Limitations and Issues (UP Board Rev. A0.2)
• Usage
• GPIO
• GPIO Example #1
• UART
• UART Example #1
• I²C
• I²C Example #1
• SPI
• PWM
• PWM Example #1
• LEDs
• Turn on the Green LED
• Turn off the Green LED