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There are __ Digital IO and __ Analog IO Pins on the Atmega2560.(a) 29, 30(b) 54, 16(c) 53, 17(d) 52, 18This question was posed to me in an interview.Query is from Microcontroller Specifications topic in section AtMega Microcontroller Specifications of Arduino

Answer»

Right CHOICE is (b) 54, 16

The best explanation: The ATMEGA2560 has 54 Digital IO Pins and 16 Analog Pins, which, on the Arduino Mega are NUMBERED as D0 to D53 and A0 to A15 respectively. From them, pins D2 to D13 SUPPORT Pulse WIDTH Modulation.



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