Block diagram


Features

  • SAM G55 MCU with FPU @ 120MHz ( 512 Kbytes Flash /  176 Kbytes SRAM )
  • JTAG ISP / Debug port ( external programmer / debugger needed )
  • micro USB port for communication and battery charging
  • LiPo connector and charger
  • 3.3V / 1A switching regulator ( ...to feed the external peripherals )
  • 32.768 kHz crystal
  • User button and LED
  • Reset button
  • Micro SD card slot ( SPI )
  • GPIO port header 
  • Extra power header for the external peripherals