Quiz on Architecture of the ATmega328

What is the main brain of the Arduino Uno?

• ATmega328

• ATmega328P

• ATmega8

• ATmega2560

What is the maximum clock rate of the ATmega328 at the lowest voltage?

• 10MHz

• 16MHz

• 20MHz

• 4MHz

Which technology dramatically reduces power consumption in the ATmega328?

• picoPower

• SuperPower

• UltraPower

• MegaPower

What is the clock rate of the original ATmega8 processor?

• 4MHz

• 20MHz

• 10MHz

• 16MHz

What is the purpose of the Global Interrupt Enable bit (I) in the SREG register?

• Disable interrupts

• Set memory

• Clear memory

• Enable interrupts

What is the function of the EEPROM in the ATmega328?

• Store clock sources

• Store program memory

• Store data memory

• Store configuration settings

How many registers are there in the AVR Core register file?

• 24

• 16

• 32

• 8

What is the purpose of the XMEM interface in the ATmega2560?

• Control interrupts

• Increase clock speed

• Manage clock sources

• Add external SRAM

What is the type of memory used for storing variables and changing data during program execution?

• EEPROM

• Program Memory

• Data Memory

• Registers

What is the clock source used in the standard Arduino circuit?

• External signal

• Ceramic resonator

• RC oscillator

• Quartz crystal