ATMEGA48_07 Datasheet, PDF (2/376 Pages) ATMEL Corporation – 8-bit Microcontroller with 8K Bytes In-System Programmable Flash

1. Pin Configurations
Figure 1-1. Pinout ATmega48/88/1682545M
TQFP Top View
PDIP
(PCINT19/OC2B/INT1) PD3 1
(PCINT20/XCK/T0) PD4 2
GND 3
VCC 4
GND 5
VCC 6
(PCINT6/XTAL1/TOSC1) PB6 7
(PCINT7/XTAL2/TOSC2) PB7 8
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 ADC7
21 GND
20 AREF
19 ADC6
18 AVCC
17 PB5 (SCK/PCINT5)
(PCINT14/RESET) PC6 1
(PCINT16/RXD) PD0 2
(PCINT17/TXD) PD1 3
(PCINT18/INT0) PD2 4
(PCINT19/OC2B/INT1) PD3 5
(PCINT20/XCK/T0) PD4 6
VCC 7
GND 8
(PCINT6/XTAL1/TOSC1) PB6 9
(PCINT7/XTAL2/TOSC2) PB7 10
(PCINT21/OC0B/T1) PD5 11
(PCINT22/OC0A/AIN0) PD6 12
(PCINT23/AIN1) PD7 13
(PCINT0/CLKO/ICP1) PB0 14
28 PC5 (ADC5/SCL/PCINT13)
27 PC4 (ADC4/SDA/PCINT12)
26 PC3 (ADC3/PCINT11)
25 PC2 (ADC2/PCINT10)
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 GND
21 AREF
20 AVCC
19 PB5 (SCK/PCINT5)
18 PB4 (MISO/PCINT4)
17 PB3 (MOSI/OC2A/PCINT3)
16 PB2 (SS/OC1B/PCINT2)
15 PB1 (OC1A/PCINT1)
28 MLF Top View
32 MLF Top View
(PCINT19/OC2B/INT1) PD3 1
(PCINT20/XCK/T0) PD4 2
VCC 3
GND 4
(PCINT6/XTAL1/TOSC1) PB6 5
(PCINT7/XTAL2/TOSC2) PB7 6
(PCINT21/OC0B/T1) PD5 7
NOTE: Bottom pad should be soldered to ground.
21 PC2 (ADC2/PCINT10)
20 PC1 (ADC1/PCINT9)
19 PC0 (ADC0/PCINT8)
18 GND
17 AREF
16 AVCC
15 PB5 (SCK/PCINT5)
(PCINT19/OC2B/INT1) PD3 1
(PCINT20/XCK/T0) PD4 2
GND 3
VCC 4
GND 5
VCC 6
(PCINT6/XTAL1/TOSC1) PB6 7
(PCINT7/XTAL2/TOSC2) PB7 8
NOTE: Bottom pad should be soldered to ground.
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 ADC7
21 GND
20 AREF
19 ADC6
18 AVCC
17 PB5 (SCK/PCINT5)
2 ATmega48/88/168
2545M–AVR–09/07