Pin Name | Beschreibung | Alternative Funktion | Pin Nr |
PA0 (ADC0) | I/O PORTA, Pin 0 | ADC Channel 0 | 40 |
PA1 (ADC1) | I/O PORTA, Pin 1 | ADC Channel 1 | 39 |
PA2 (ADC2) | I/O PORTA, Pin 2 | ADC Channel 2 | 38 |
PA3 (ADC3) | I/O PORTA, Pin 3 | ADC Channel 3 | 37 |
PA4 (ADC4) | I/O PORTA, Pin 4 | ADC Channel 4 | 36 |
PA5 (ADC5) | I/O PORTA, Pin 5 | ADC Channel 5 | 35 |
PA6 (ADC6) | I/O PORTA, Pin 6 | ADC Channel 6 | 34 |
PA7 (ADC7) | I/O PORTA, Pin 7 | ADC Channel 7 | 33 |
PB0 (XCK/T0) | I/O PORTB, Pin 0 | T0: Timer0 External Counter Input. XCK : USART External Clock I/O |
1 |
PB1 (T1) | I/O PORTB, Pin 1 | T1:Timer1 External Counter Input | 2 |
PB2 (INT2/AIN0) | I/O PORTB, Pin 2 | AIN0: Analog Comparator Positive I/P INT2: External Interrupt 2 Input |
3 |
PB3 (OC0/AIN1) | I/O PORTB, Pin 3 | AIN1: Analog Comparator Negative I/P OC0 : Timer0 Output Compare Match Output |
4 |
PB4 (SS) | I/O PORTB, Pin 4 | In System Programmer (ISP) | 5 |
PB5 (MOSI) | I/O PORTB, Pin 5 | In System Programmer (ISP) | 6 |
PB6 (MISO) | I/O PORTB, Pin 6 | In System Programmer (ISP) | 7 |
PB7 (SCK) | I/O PORTB, Pin 7 | In System Programmer (ISP) | 8 |
PC0 (SCL) | I/O PORTC, Pin 0 | TWI Interface | 22 |
PC1 (SDA) | I/O PORTC, Pin 1 | TWI Interface | 23 |
PC2 (TCK) | I/O PORTC, Pin 2 | JTAG Interface | 24 |
PC3 (TMS) | I/O PORTC, Pin 3 | JTAG Interface | 25 |
PC4 (TDO) | I/O PORTC, Pin 4 | JTAG Interface | 26 |
PC5 (TDI) | I/O PORTC, Pin 5 | JTAG Interface | 27 |
PC6 (TOSC1) | I/O PORTC, Pin 6 | Timer Oscillator Pin 1 | 28 |
PC7 (TOSC2) | I/O PORTC, Pin 7 | Timer Oscillator Pin 2 | 29 |
PD0 (RXD) | I/O PORTD, Pin 0 | USART Serial Communication Interface | 14 |
PD1 (TXD) | I/O PORTD, Pin 1 | USART Serial Communication Interface | 15 |
PD2 (INT0) | I/O PORTD, Pin 2 | External Interrupt INT0 | 16 |
PD3 (INT1) | I/O PORTD, Pin 3 | External Interrupt INT1 | 17 |
PD4 (OC1B) | I/O PORTD, Pin 4 | PWM Channel Outputs | 18 |
PD5 (OC1A) | I/O PORTD, Pin 5 | PWM Channel Outputs | 19 |
PD6 (ICP) | I/O PORTD, Pin 6 | Timer/Counter1 Input Capture Pin | 20 |
PD7 (OC2) | I/O PORTD, Pin 7 | Timer/Counter2 Output Compare Match Output | 21 |
AREF | Analog Reference PIN for ADC | 32 | |
GND | Ground | 31 | |
Avcc | Voltage Supply = Vcc for ADC | 30 | |
XTAL1 | Input to Inverting Oscillator Amplifier | 13 | |
XTAL2 | Output to Inverting Oscillator Amplifier | 12 | |
GND | Ground | 11 | |
Vcc | Vcc=+5V | 10 | |
RESET | Reset Pin, Active Low Reset | 9 |