Pin Configurations - Atmel ATmega48A Manual

1. Pin Configurations

Figure 1-1. Pinout ATmega48A/PA/88A/PA/168A/PA/328/P
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
(PCINT21/OC0B/T1) PD5
NOTE: Bottom pad should be soldered to ground.
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
32 TQFP Top View
1 24
2 23
GND 3 22
VCC 4 21
GND 5 20
19
VCC 6
7 18
8 17
28 MLF Top View
21
1
2 20
VCC
3 19
GND 18
4
5 17
6 16
15
7
Table 1-1. 32UFBGA - Pinout ATmega48A/48PA/88A/88PA/168A/168PA
1
A PD2
B PD3
C GND
D VDD
E PB6
F PB7
(PCINT14/RESET) PC6
PC1 (ADC1/PCINT9)
PC0 (ADC0/PCINT8)
(PCINT19/OC2B/INT1) PD3
ADC7
(PCINT20/XCK/T0) PD4
GND
AREF
ADC6
(PCINT6/XTAL1/TOSC1) PB6
AVCC
(PCINT7/XTAL2/TOSC2) PB7
PB5 (SCK/PCINT5)
(PCINT21/OC0B/T1) PD5
(PCINT22/OC0A/AIN0) PD6
(PCINT0/CLKO/ICP1) PB0
(PCINT19/OC2B/INT1) PD3
PC2 (ADC2/PCINT10)
(PCINT20/XCK/T0) PD4
PC1 (ADC1/PCINT9)
PC0 (ADC0/PCINT8)
GND
AREF
AVCC
(PCINT6/XTAL1/TOSC1) PB6
PB5 (SCK/PCINT5)
(PCINT7/XTAL2/TOSC2) PB7
NOTE: Bottom pad should be soldered to ground.
2 3
PD1 PC6
PD4 PD0
GND
VDD
PD6 PB0
PD5 PD7
28 PDIP
1 28 PC5 (ADC5/SCL/PCINT13)
(PCINT16/RXD) PD0 2 27 PC4 (ADC4/SDA/PCINT12)
(PCINT17/TXD) PD1 3 26 PC3 (ADC3/PCINT11)
(PCINT18/INT0) PD2 4 25 PC2 (ADC2/PCINT10)
5 24 PC1 (ADC1/PCINT9)
6 23 PC0 (ADC0/PCINT8)
VCC 7 22 GND
GND 8 21 AREF
9 20 AVCC
10 19 PB5 (SCK/PCINT5)
11 18 PB4 (MISO/PCINT4)
12 17 PB3 (MOSI/OC2A/PCINT3)
(PCINT23/AIN1) PD7 13 16 PB2 (SS/OC1B/PCINT2)
14 15 PB1 (OC1A/PCINT1)
32 MLF Top View
1 24
2 23
GND
3 22
VCC 4 21
GND 5 20
VCC
6 19
7 18
8 17
4 5
PC4 PC2
PC5 PC3
ADC7
AREF
PB2 AVDD
PB1 PB3
PC1 (ADC1/PCINT9)
PC0 (ADC0/PCINT8)
ADC7
GND
AREF
ADC6
AVCC
PB5 (SCK/PCINT5)
6
PC1
PC0
GND
ADC6
PB5
PB4
2