Arduino Due R3 mainboard/control board

Microcontroller：AT91SAM3X8EA 

Operating voltage：3.3V 

Input voltage(recommended)：7V - 12V 

Input voltage(limits)：6V - 20V 

Digital I / O pins：54 (of which 12 provide PWM  output) 

Analog input pins：12 

Total DC output current on all I / O lines：130mA

DC current for 3.3V pin：800mA 

DC current for 5V pin：800mA 

Flash memory：512KB all available for the user applications 

SRAM：96KB (2 banks ) 64KB and 32KB) 

Clock speed：84MHz 

Analog outputs pins：2 (DAC)

Further information, please feel free to contact us at sales@lankeda.com  
Or visit our website: www.3dprint.en.alibaba.com  and www.lankeda.com