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Part Series Datasheet Flash (Kbytes)
(Kbytes)
Pin Count Max. Operating Freq. (MHz)
(MHz)
CPU SRAM (Kbytes) EEPROM (Bytes) Max I\/O Pins picoPower Operating Voltage (Vcc) Temp. Range (deg C) # of Touch Channels Timers Watchdog 32kHz RTC Analog Comparators Temp. Sensor ADC Resolution (bits) ADC Channels DAC Channels UART SPI TWI (I2C) USB Interface PWM Channels Ethernet CAN
   
0
0.5
1
2
4
8
12
16
20
32
40
64
128
192
256
384
512
1024
2048
6
8
14
16
20
24
28
32
44
48
64
100
144
176
217
256
289
324
361
1
4
8
12
16
20
24
25
32
33
36
40
48
50
55
60
64
66
75
84
96
100
120
180
190
210
240
266
300
400
528
536
Cortex-M0+
Cortex-M3
Cortex-M4
Cortex-M7
Cortex-A5
8-bit AVR
32-bit AVR
ARM926
ARM920
ARM7TDMI
8051-1C
8051-12C
0.03
0.06
0.12
0.125
0.25
0.5
0.75
1
1.25
1.375
2
2.1
2.25
2.5
3.3
4
4.25
6
8
16
20
24
32
36
48
50
64
68
80
96
128
160
176
256
384
0
64
128
256
512
1024
2048
4096
8192
4
6
11
12
14
15
16
17
18
19
20
21
22
23
25
26
27
28
30
32
34
35
36
37
38
42
43
44
45
47
48
49
50
51
52
53
54
57
58
62
63
69
75
78
79
80
81
82
86
88
96
103
105
109
110
114
117
118
122
123
152
160
No
Yes
0.7 to 5.5
0.9 to 1.1
1.08 to 1.32
1.6 to 3.6
1.62 to 1.98
1.62 to 3.6
1.62 to 3.63
1.69 to 2.0
1.65 to 1.95
1.68 to 3.6
1.7 to 5.5
1.8 to 3.6
1.8 to 5.5
1.8 to 9.0
2.4 to 3.6
2.4 to 5.0
2.4 to 5.5
2.7 to 3.6
2.7 to 3.63
2.7 to 5.5
2.7 to 4.0
2.7 to 6.0
3.0 to 3.6
3.0 to 3.6 or 4.5 to 5.5
3.0 to 5.5
3.0-3.6 or (1.65-1.95+3.0-3.6)
4.0 to 25
4.0 to 5.5
4.0 to 6.0
-20 to 85
-30 to 85
-40 to 105
-40 to 125
-40 to 150
-40 to 85
0
1
3
4
5
6
8
11
12
13
14
16
17
21
23
25
28
31
32
56
60
72
96
110
120
182
192
256
1
2
3
4
5
6
7
8
9
10
14
No
Yes
0
1
2
3
4
8
No
Yes
10
12
16
8
3
4
5
6
7
8
10
11
12
14
15
16
20
24
28
0
1
2
4
0
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
10
12
0
1
2
3
4
5
6
Device
Device + OTG
Host, Device
No
0
2
3
4
6
7
8
9
10
12
13
14
15
16
18
19
20
22
24
35
36
0
1
2
0
1
2
ATmega168PA Automotive -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
AT32UC3C0512C Automotive -- -- -- -- -- -- -- -- 3.0 to 3.6 or 4.5 to 5.5 -40 to 125 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
AT32UC3C1512C Automotive -- -- -- -- -- -- -- -- 3.0 to 3.6 or 4.5 to 5.5 -40 to 125 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
AT32UC3C2512C Automotive -- -- -- -- -- -- -- -- 3.0 to 3.6 or 4.5 to 5.5 -40 to 125 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
AT90CAN128 Automotive 128 64 16 8-bit AVR 4 4096 53 No 2.7 to 5.5 -40 to 125 16 4 Yes Yes 1 No 10 8 0 2 1 1 No 7 -- 1
AT90CAN32 Automotive 32 64 16 8-bit AVR 2 1024 53 No 2.7 to 5.5 -40 to 125 16 4 Yes Yes 1 No 10 8 0 2 1 1 No 7 -- 1
AT90CAN64 Automotive 64 64 16 8-bit AVR 4 2048 53 No 2.7 to 5.5 -40 to 125 16 4 Yes Yes 1 No 10 8 0 2 1 1 No 7 -- 1
ATmega48PA Automotive -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
ATmega88PA Automotive -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
ATmega164P Automotive 16 44 16 8-bit AVR 1 512 32 Yes 2.7 to 5.5 -40 to 125 16 3 Yes Yes 1 No 10 8 -- 2 3 1 No 6 -- --
ATmega164P-B Automotive 16 44 16 8-bit AVR 1 512 32 Yes 2.7 to 5.5 -40 to 125 16 3 Yes Yes 1 No 10 8 -- 2 3 1 No 6 -- --
ATmega168 Automotive 16 32 16 8-bit AVR 1 512 23 No 2.7 to 5.5 -40 to 150 16 3 Yes Yes 1 No 10 8 0 1 2 1 No 6 -- --
ATmega169P Automotive 16 64 16 8-bit AVR 1 512 54 Yes 2.7 to 5.5 -40 to 85 16 3 Yes Yes 1 No 10 8 -- 1 2 1 No 4 -- --
ATmega16M1 Automotive 16 32 16 8-bit AVR 1 512 27 No 2.7 to 5.5 -40 to 150 12 2 Yes No 4 Yes 10 11 1 1 1 -- No 10 0 1
ATmega324P Automotive 32 44 16 8-bit AVR 2 1024 32 Yes 2.7 to 5.5 -40 to 125 16 3 Yes Yes 1 No 10 8 0 2 3 1 No 6 -- --
ATmega324P-B Automotive 32 44 16 8-bit AVR 2 1024 32 Yes 2.7 to 5.5 -40 to 125 16 3 Yes Yes 1 No 10 8 -- 2 3 1 No 6 -- --
ATmega328P Automotive 32 32 16 8-bit AVR 2 1024 23 Yes 2.7 to 5.5 -40 to 125 16 3 Yes Yes 1 Yes 10 8 0 1 2 1 No 6 -- --
ATmega32C1 Automotive 32 32 16 8-bit AVR 2 1024 27 No 2.7 to 5.5 -40 to 150 12 2 Yes No 4 Yes 10 11 1 1 1 -- No 4 0 1
ATmega32M1 Automotive 32 32 16 8-bit AVR 2 1024 27 No 2.7 to 5.5 -40 to 150 12 2 Yes No 4 Yes 10 11 1 1 1 -- No 10 0 1
ATmega48 Automotive 4 32 16 8-bit AVR 0.5 256 23 No 2.7 to 5.5 -40 to 125 12 3 Yes Yes 1 No 10 8 -- 1 2 1 No 6 -- --
ATmega644P Automotive 64 44 16 8-bit AVR 4 2048 32 Yes 2.7 to 5.5 -40 to 125 16 3 Yes Yes 1 No 10 8 0 2 3 1 No 6 -- --
ATmega644P-B Automotive 64 44 16 8-bit AVR 4 2048 32 Yes 2.7 to 5.5 -40 to 125 16 3 Yes Yes 1 No 10 8 -- 2 3 1 No 6 -- --
ATmega64C1 Automotive 64 32 16 8-bit AVR 4 2048 27 No 2.7 to 5.5 -40 to 150 12 2 Yes No 4 Yes 10 11 1 1 1 -- No 4 0 1
ATmega64M1 Automotive 64 32 16 8-bit AVR 4 2048 27 No 2.7 to 5.5 -40 to 150 12 2 Yes No 4 Yes 10 11 1 1 1 -- No 10 0 1
ATmega88 Automotive 8 32 16 8-bit AVR 1 512 23 No 2.7 to 5.5 -40 to 150 12 3 Yes Yes 1 No 10 8 -- 1 2 1 No 6 -- --
ATtiny167 Automotive 16 20 16 8-bit AVR 0.5 512 16 No 2.7 to 5.5 -40 to 150 8 2 Yes Yes 1 Yes 10 11 -- 1 2 1 No 9 0 0
ATtiny24 Automotive 2 14 16 8-bit AVR 0.12 128 12 No 2.7 to 5.5 -40 to 125 4 2 Yes No 1 Yes 10 8 -- -- 1 1 No 4 -- --
ATtiny25 Automotive 2 8 16 8-bit AVR 0.12 128 6 No 2.7 to 5.5 -40 to 125 4 2 Yes No 1 Yes 10 4 -- -- 1 1 No 6 -- --
ATtiny261 Automotive 2 20 16 8-bit AVR 0.12 128 16 No 2.7 to 5.5 -40 to 150 4 2 Yes No 1 Yes 10 11 -- -- 1 1 No 6 -- --
ATtiny44 Automotive 4 14 16 8-bit AVR 0.25 256 12 No 2.7 to 5.5 -40 to 125 6 2 Yes No 1 Yes 10 8 -- -- 1 1 No 4 -- --
ATtiny45 Automotive 4 8 16 8-bit AVR 0.25 256 6 No 2.7 to 5.5 -40 to 150 3 2 Yes No 1 Yes 10 4 -- -- 1 1 No 6 -- --
ATtiny461 Automotive 4 20 16 8-bit AVR 0.25 256 16 No 2.7 to 5.5 -40 to 150 8 2 Yes No 1 Yes 10 11 -- -- 1 1 No 6 -- --
ATtiny84 Automotive 8 14 16 8-bit AVR 0.5 512 12 No 2.7 to 5.5 -40 to 125 6 2 Yes No 1 Yes 10 8 -- -- 1 1 No 4 -- --
ATtiny85 Automotive 8 8 16 8-bit AVR 0.5 512 6 No 2.7 to 5.5 -40 to 125 3 2 Yes No 1 Yes 10 4 -- -- 1 1 No 6 -- --
ATtiny861 Automotive 8 20 16 8-bit AVR 0.5 512 16 No 2.7 to 5.5 -40 to 150 8 2 Yes No 1 Yes 10 11 0 -- 1 1 No 6 -- --
ATtiny87 Automotive 8 20 16 8-bit AVR 0.5 512 16 No 2.7 to 5.5 -40 to 150 8 2 Yes Yes 1 Yes 10 11 -- 1 2 1 No 9 0 0
ATtiny88 Automotive 8 32 16 8-bit AVR 0.5 64 28 Yes 2.7 to 5.5 -40 to 125 12 2 Yes No 1 Yes 10 8 -- -- 1 1 No 2 -- --
ATxmega64D3 Automotive 64 64 32 8-bit AVR 4 2048 50 Yes 2.7 to 3.6 -40 to 105 16 5 Yes Yes 2 Yes 12 16 0 3 5 2 No 18 0 0
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