ATmega640/1280/1281/2560/2561
1. Pin Configurations
Figure 1-1.
TQFP-pinout ATmega640/1280/2560
PK2 (ADC10/PCINT18)
PK3 (ADC11/PCINT19)
PK4 (ADC12/PCINT20)
PK5 (ADC13/PCINT21)
PK6 (ADC14/PCINT22)
PK7 (ADC15/PCINT23)
PK0 (ADC8/PCINT16)
PK1 (ADC9/PCINT17)
PF5 (ADC5/TMS)
PF6 (ADC6/TDO)
PF4 (ADC4/TCK)
PF0 (ADC0)
PF7 (ADC7/TDI)
PF1 (ADC1)
PF2 (ADC2)
PF3 (ADC3)
AREF
100 99
(OC0B) PG5
(RXD0/PCINT8) PE0
(TXD0) PE1
(XCK0/AIN0) PE2
(OC3A/AIN1) PE3
(OC3B/INT4) PE4
(OC3C/INT5) PE5
(T3/INT6) PE6
(CLKO/ICP3/INT7) PE7
VCC
GND
(RXD2) PH0
(TXD2) PH1
(XCK2) PH2
(OC4A) PH3
(OC4B) PH4
(OC4C) PH5
(OC2B) PH6
(SS/PCINT0) PB0
(SCK/PCINT1) PB1
(MOSI/PCINT2) PB2
(MISO/PCINT3) PB3
(OC2A/PCINT4) PB4
(OC1A/PCINT5) PB5
(OC1B/PCINT6) PB6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
PA0 (AD0)
GND
VCC
78
PA1 (AD1)
77
AVCC
GND
PJ7
PA2 (AD2)
76
75
74
PA3 (AD3)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PG2 (ALE)
PJ6 (PCINT15)
PJ5 (PCINT14)
PJ4 (PCINT13)
PJ3 (PCINT12)
PJ2 (XCK3/PCINT11)
PJ1 (TXD3/PCINT10)
PJ0 (RXD3/PCINT9)
GND
VCC
PC7 (A15)
PC6 (A14)
PC5 (A13)
PC4 (A12)
PC3 (A11)
PC2 (A10)
PC1 (A9)
PC0 (A8)
PG1 (RD)
PG0 (WR)
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
INDEX CORNER
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
(OC0A/OC1C/PCINT7) PB7
VCC
GND
(ICP4) PL0
(RXD1/INT2) PD2
(SCL/INT0) PD0
(XCK1) PD5
(T4) PH7
(T1) PD6
(TXD1/INT3) PD3
(OC5A) PL3
(OC5B) PL4
(OC5C) PL5
(TOSC2) PG3
(TOSC1) PG4
(SDA/INT1) PD1
(ICP1) PD4
(ICP5) PL1
(T0) PD7
PL6
(T5) PL2
XTAL2
RESET
XTAL1
PL7
2
2549MS–AVR–09/10
ATMEL [ ATMEL CORPORATION ]
