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How many General-Purpose Registers are present in the Atmega32U4?(a) 12(b) 64(c) 32(d) 9The question was posed to me in examination.Question is from Microcontroller Specifications in section AtMega Microcontroller Specifications of Arduino

Answer»

Correct answer is (C) 32

The EXPLANATION: There are 32 General-Purpose Registers in the chip and they are all connected to the ALU (Arithmetic Logical Unit) directly which ALLOW 2 registers to be ACCESSED in one instruction in a clock cycle.



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