Flash:
*
1
2
4
8
16
32
40
64
128
192
256
384
<=1
<=2
<=4
<=8
<=16
<=32
<=40
<=64
<=128
<=192
<=256
<=384
>=1
>=2
>=4
>=8
>=16
>=32
>=40
>=64
>=128
>=192
>=256
>=384
EEPROM:
*
0
64
128
256
512
1024
2048
4096
<=0
<=64
<=128
<=256
<=512
<=1024
<=2048
<=4096
>=0
>=64
>=128
>=256
>=512
>=1024
>=2048
>=4096
SRAM:
*
0
32
64
128
256
512
1024
2048
2560
4096
8192
16384
32768
<=0
<=32
<=64
<=128
<=256
<=512
<=1024
<=2048
<=2560
<=4096
<=8192
<=16384
<=32768
>=0
>=32
>=64
>=128
>=256
>=512
>=1024
>=2048
>=2560
>=4096
>=8192
>=16384
>=32768
I/O Pin:
*
4
6
11
12
16
18
19
22
23
24
26
27
32
34
35
48
50
53
54
69
78
86
<=4
<=6
<=11
<=12
<=16
<=18
<=19
<=22
<=23
<=24
<=26
<=27
<=32
<=34
<=35
<=48
<=50
<=53
<=54
<=69
<=78
<=86
>=4
>=6
>=11
>=12
>=16
>=18
>=19
>=22
>=23
>=24
>=26
>=27
>=32
>=34
>=35
>=48
>=50
>=53
>=54
>=69
>=78
>=86
Ext.Int.:
*
1
12
16
17
2
2(+8)
26
3
30
32
4
6
7
8
No
RTC: *
16-bit
No
Yes
SPI: *
1
1+USART
1+USI
2
3
4
No
USI
Yes
TWI I2 C: *
2
4
No
USI
Yes
8-bit Timer: *
0
1
2
8
16-bit Timer: *
0
1
2
4
5
7
8
PWM: *
0
1
2
3
4
6
8
9
10
16
22
24
<=0
<=1
<=2
<=3
<=4
<=6
<=8
<=9
<=10
<=16
<=22
<=24
>=0
>=1
>=2
>=3
>=4
>=6
>=8
>=9
>=10
>=16
>=22
>=24
UART: *
0
1
2
4
5
7
8
<=0
<=1
<=2
<=4
<=5
<=7
<=8
>=0
>=1
>=2
>=4
>=5
>=7
>=8
