2

ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [SUMMARY]

8285ES–AVR–02/2013

1.

Pin configurations

1.1

Pinout - TQFP and QFN/MLF

Figure 1-1.

64A (TQFP)and 64M1 (QFN/MLF) pinout Atmel

ATmega165A/ATmega165PA/ATmega325A/ATmega325PA/ATmega645A/ATmega645P.

Note:

The large center pad underneath the QFN/MLF packages is made of metal and internally connected to GND. It should be sol-

dered or glued to the board to ensure good mechanical stability. If the center pad is left unconnected, the package might loosen

from the board.

47

46

48

45

44

43

42

41

40

39

38

37

36

35

33

34

2

3

1

4

5

6

7

8

9

10

11

12

13

14

16

15

PC0

(RXD/PCINT0) PE0

(TXD/PCINT1) PE1

DNC

(XCK/AIN0/PCINT2) PE2

(AIN1/PCINT3) PE3

(USCK/SCL/PCINT4) PE4

(DI/SDA/PCINT5) PE5

(DO/PCINT6) PE6

(CLKO/PCINT7) PE7

(SS/PCINT8) PB0

(SCK/PCINT9) PB1

(MOSI/PCINT10) PB2

(MISO/PCINT11) PB3

(OC0A/PCINT12) PB4

(OC1B/PCINT14) PB6

(OC1A/PCINT13) PB5

PC1

PG0

PC2

PC3

PC4

PC5

PC6

PC7

PA7

PG2

PA6

PA5

PA4

PA3

PG1

INDEX CORNER