ATmega169A pinout
Every pin of the ATmega169A in its 3 packages, with all its functions. Select a pin to see what it does.
ATMEGA169ADRQFN-64TOP VIEW
DRQFN-64 pin table
| Pin | Pad | Functions |
|---|---|---|
| A1 | PE0 | PE0PCINT0RXD |
| A2 | PE1 | PE1PCINT1TXD |
| A3 | PE3 | PE3AIN1PCINT3 |
| A4 | PE5 | PE5DIPCINT5 |
| A5 | PE7 | PE7CLKOPCINT7 |
| A6 | PB1 | PB1PCINT9SCK |
| A7 | PB3 | PB3MISOPCINT11 |
| A8 | PB4 | PB4OC0APCINT12 |
| A9 | PB7 | PB7OC2APCINT15 |
| B1 | LCDCAP | No function listed |
| B2 | PE2 | PE2AIN0PCINT2XCK |
| B3 | PE4 | PE4PCINT4USCK |
| B4 | PE6 | PE6DOPCINT6 |
| B5 | PB0 | PB0PCINT8SS |
| B6 | PB2 | PB2MOSIPCINT10 |
| B7 | PB5 | PB5OC1APCINT13 |
| B8 | PB6 | PB6OC1BPCINT14 |
| B9 | PG4 | PG4SEG23T0 |
| A10 | PG3 | PG3SEG24T1 |
| A11 | PG5 | PG5 |
| A12 | GND | Ground |
| A13 | XTAL1 | TOSC1 |
| A14 | PD1 | PD1INT0SEG21 |
| A15 | PD3 | PD3SEG19 |
| A16 | PD5 | PD5SEG17 |
| A17 | PD6 | PD6SEG16 |
| A18 | PG1 | PG1SEG13 |
| A19 | PC0 | PC0SEG12 |
| A20 | PC2 | PC2SEG10 |
| A21 | PC4 | PC4SEG8 |
| A22 | PC6 | PC6SEG6 |
| A23 | PG2 | PG2SEG14SEG4 |
| A24 | PA6 | PA6SEG2 |
| A25 | PA5 | PA5SEG1 |
| A26 | PA2 | PA2COM2 |
| A27 | PA1 | PA1COM1 |
| A28 | VCC | Supply or reference |
| A29 | PF7 | PF7ADC7TDI |
| A30 | PF5 | PF5ADC5TMS |
| A31 | PF3 | PF3ADC3 |
| A32 | PF1 | PF1ADC1 |
| A33 | AREF | Supply or reference |
| A34 | GND | Ground |
| B10 | VCC | Supply or reference |
| B11 | XTAL2 | TOSC2 |
| B12 | PD0 | PD0ICP1SEG22 |
| B13 | PD2 | PD2SEG20 |
| B14 | PD4 | PD4SEG18 |
| B15 | PD7 | PD7SEG15 |
| B16 | PG0 | PG0 |
| B17 | PC1 | PC1SEG11 |
| B18 | PC3 | PC3SEG9 |
| B19 | PC5 | PC5SEG7 |
| B20 | PC7 | PC7SEG5 |
| B21 | PA7 | PA7SEG3 |
| B22 | PA4 | PA4SEG0 |
| B23 | PA3 | PA3COM3 |
| B24 | PA0 | PA0COM0 |
| B25 | GND | Ground |
| B26 | PF6 | PF6ADC6TDO |
| B27 | PF4 | PF4ADC4TCK |
| B28 | PF2 | PF2ADC2 |
| B29 | PF0 | PF0ADC0 |
| B30 | AVCC | Supply or reference |