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AVR
PIC
TTL-74
CMOS-40
OPAMP
BJT
-
circuits
ATmega32 - AVR microcontroller
pinout
1
PB0
40
PA0
2
PB1
39
PA1
3
PB2
38
PA2
4
PB3
37
PA3
5
PB4
36
PA4
6
PB5
35
PA5
7
PB6
34
PA6
8
PB7
33
PA7
9
RST
32
AREF
10
VCC
31
GND
11
GND
30
AVCC
12
XTAL2
29
PC7
13
XTAL1
28
PC6
14
PD0
27
PC5
15
PD1
26
PC4
16
PD2
25
PC3
17
PD3
24
PC2
18
PD4
23
PC1
19
PD5
22
PC0
20
PD6
21
PD7
ATmega32
www.nanobob.com
symbol
40
PA0
1
PB0
39
PA1
2
PB1
38
PA2
3
PB2
37
PA3
4
PB3
36
PA4
5
PB4
35
PA5
6
PB5
34
PA6
7
PB6
33
PA7
8
PB7
22
PC0
14
PD0
23
PC1
15
PD1
24
PC2
16
PD2
25
PC3
17
PD3
26
PC4
18
PD4
27
PC5
19
PD5
28
PC6
20
PD6
29
PC7
21
PD7
13
XTAL1
32
AREF
12
XTAL2
30
AVCC
9
RST
pin types
0
digital input
0
digital output
0
digital input-output (bidir)
0
analog (input or output)
0
positive power
0
ground
0
negative power