ATmega808 pinout
Every pin of the ATmega808 in its 3 packages, with all its functions. Select a pin to see what it does.
ATMEGA808SSOP-28TOP VIEW
SSOP-28 pin table
| Pin | Pad | Functions |
|---|---|---|
| 1 | PA7 | PA7CLKOEVOUT0OUT0SSXDIR0 |
| 2 | PC0 | PC0LUT1_IN0MOSITXD1WO0 |
| 3 | PC1 | PC1LUT1_IN1MISORXD1WO1 |
| 4 | PC2 | PC2EVOUT2LUT1_IN2SCKSDAWO2XCK1 |
| 5 | PC3 | PC3LUT1_OUT0SCLSSWO3XDIR1 |
| 6 | PD0 | PD0AIN0LUT2_IN0WO0 |
| 7 | PD1 | PD1AIN1LUT2_IN1P3WO1 |
| 8 | PD2 | PD2AIN2EVOUT3LUT2_IN2P0WO2 |
| 9 | PD3 | PD3AIN3LUT2_OUT0N0WO3 |
| 10 | PD4 | PD4AIN4P1WO4 |
| 11 | PD5 | PD5AIN5N1WO5 |
| 12 | PD6 | PD6AIN6LUT2_OUT1P2 |
| 13 | PD7 | PD7AIN7EVOUT3N2 |
| 14 | AVDD | No function listed |
| 15 | GND0 | Ground |
| 16 | PF0 | PF0LUT3_IN0TOSC1TXD2WO0 |
| 17 | PF1 | PF1LUT3_IN1RXD2TOSC2WO1 |
| 18 | PF6 | PF6LUT3_OUT1RESETXCK2 |
| 19 | UPDI | No function listed |
| 20 | VDD0 | Supply or reference |
| 21 | GND1 | Ground |
| 22 | PA0 | PA0CLKILUT0_IN0TXD0WO0 |
| 23 | PA1 | PA1LUT0_IN1RXD0WO1 |
| 24 | PA2 | PA2EVOUT0LUT0_IN2SDAWO0WO2XCK0 |
| 25 | PA3 | PA3LUT0_OUT0SCLWO0WO3XDIR0 |
| 26 | PA4 | PA4MOSITXD0WO4 |
| 27 | PA5 | PA5MISORXD0WO5 |
| 28 | PA6 | PA6LUT0_OUT0SCKXCK0 |