CPUCPU CPU RegistersRegisters NVMCSR0x32NVMCMD0x33VLMCSR0x34PRR0x35CLKPSR0x36CLKMSR0x37OSCCAL0x39SMCR0x3ARSTFLR0x3BCCP0x3CSP0x3DSREG0x3F
EXINTEXINT External InterruptsRegisters PCMSK0x10PCIFR0x11PCICR0x12EIMSK0x13EIFR0x14EICRA0x15Pins PCINT0PB0PCINT1PB1INT0PB2PCINT2PB2PCINT3PB3
TC0TC16 Timer/Counter, 16-bitRegisters ICR00x22OCR0B0x24OCR0A0x26TCNT00x28TIFR00x2ATIMSK00x2BTCCR0C0x2CTCCR0B0x2DTCCR0A0x2EGTCCR0x2FPins OC0APB0OC0BPB1T0PB2
ADCADC Analog-to-Digital ConverterRegisters DIDR00x17ADCL0x19ADMUX0x1BADCSRB0x1CADCSRA0x1DPins ADC0PB0ADC1PB1ADC2PB2ADC3PB3