Bit operations
| SETARE PE | INSTRUCTIUNE | OPERATOR |
|---|---|---|
| 1 | p |= (1<<) | | |
| 0 | p &= ~(1<<) | & si ~ |
DDRRx
⇒ Data direction register
| Valoare | Directie |
|---|---|
| 0 | INTRARE |
| 1 | IESIRE |
PORTx
| Stare pin | ce face |
|---|---|
| Intrare | seteaza PULL-UP |
| Iesire | Seteaza valoarea |
PINx
read only citeste stearea pinului (iesirea)