ATmega128 pinout
Every pin of the ATmega128 in its 1 package, with all its functions. Select a pin to see what it does.
ATMEGA128TQFPQFN-64TOP VIEW
TQFPQFN-64 pin table
| Pin | Pad | Functions |
|---|---|---|
| 1 | PEN | No function listed |
| 2 | PE0 | PE0PDIRXD0 |
| 3 | PE1 | PE1PDOTXD0 |
| 4 | PE2 | PE2AIN0XCK0 |
| 5 | PE3 | PE3AIN1OC3A |
| 6 | PE4 | PE4INT4OC3B |
| 7 | PE5 | PE5INT5OC3C |
| 8 | PE6 | PE6INT6T3 |
| 9 | PE7 | PE7ICP3INT7 |
| 10 | PB0 | PB0SS |
| 11 | PB1 | PB1SCK |
| 12 | PB2 | PB2MOSI |
| 13 | PB3 | PB3MISO |
| 14 | PB4 | PB4OC0 |
| 15 | PB5 | PB5OC1A |
| 16 | PB6 | PB6OC1B |
| 17 | PB7 | PB7OC1COC2 |
| 18 | PG3 | PG3TOSC2 |
| 19 | PG4 | PG4TOSC1 |
| 20 | RESET | Reset |
| 21 | VCC | Supply or reference |
| 22 | GND | Ground |
| 23 | XTAL2 | Crystal or clock |
| 24 | XTAL1 | Crystal or clock |
| 25 | PD0 | PD0INT0SCL |
| 26 | PD1 | PD1INT1SDA |
| 27 | PD2 | PD2INT2RXD1 |
| 28 | PD3 | PD3INT3TXD1 |
| 29 | PD4 | PD4ICP1 |
| 30 | PD5 | PD5XCK1 |
| 31 | PD6 | PD6T1 |
| 32 | PD7 | PD7T2 |
| 33 | PG0 | PG0WR |
| 34 | PG1 | PG1RD |
| 35 | PC0 | PC0A8 |
| 36 | PC1 | PC1A9 |
| 37 | PC2 | PC2A10 |
| 38 | PC3 | PC3A11 |
| 39 | PC4 | PC4A12 |
| 40 | PC5 | PC5A13 |
| 41 | PC6 | PC6A14 |
| 42 | PC7 | PC7A15 |
| 43 | PG2 | PG2ALE |
| 44 | PA7 | PA7AD7 |
| 45 | PA6 | PA6AD6 |
| 46 | PA5 | PA5AD5 |
| 47 | PA4 | PA4AD4 |
| 48 | PA3 | PA3AD3 |
| 49 | PA2 | PA2AD2 |
| 50 | PA1 | PA1AD1 |
| 51 | PA0 | PA0AD0 |
| 52 | VCC | Supply or reference |
| 53 | GND | Ground |
| 54 | PF7 | PF7ADC7TDI |
| 55 | PF6 | PF6ADC6TDO |
| 56 | PF5 | PF5ADC5TMS |
| 57 | PF4 | PF4ADC4TCK |
| 58 | PF3 | PF3ADC3 |
| 59 | PF2 | PF2ADC2 |
| 60 | PF1 | PF1ADC1 |
| 61 | PF0 | PF0ADC0 |
| 62 | AREF | Supply or reference |
| 63 | GND | Ground |
| 64 | AVCC | Supply or reference |