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8152AS–AVR–11/08
ATmega324PA
1. Pin Configurations
1.1 Pinout - PDIP/TQFP/VQFN/QFN/MLF
Figure 1-1. Pinout
Note: The large center pad underneath the VQFN/QFN/MLF package should be soldered to ground on
the board to ensure good mechanical stability.
(PCINT8/XCK0/T0) PB0
(PCINT9/CLKO/T1) PB1
(PCINT10/INT2/AIN0) PB2
(PCINT11/OC0A/AIN1) PB3
(PCINT12/OC0B/SS) PB4
(PCINT13/MOSI) PB5
(PCINT14/MISO) PB6
(PCINT15/SCK) PB7
RESET
VCC
GND
XTAL2
XTAL1
(PCINT24/RXD0) PD0
(PCINT25/TXD0) PD1
(PCINT26/RXD1/INT0) PD2
(PCINT27/TXD1/INT1) PD3
(PCINT28/XCK1/OC1B) PD4
(PCINT29/OC1A) PD5
(PCINT30/OC2B/ICP) PD6
PA0 (ADC0/PCINT0)
PA1 (ADC1/PCINT1)
PA2 (ADC2/PCINT2)
PA3 (ADC3/PCINT3)
PA4 (ADC4/PCINT4)
PA5 (ADC5/PCINT5)
PA6 (ADC6/PCINT6)
PA7 (ADC7/PCINT7)
AREF
GND
AVCC
PC7 (TOSC2/PCINT23)
PC6 (TOSC1/PCINT22)
PC5 (TDI/PCINT21)
PC4 (TDO/PCINT20)
PC3 (TMS/PCINT19)
PC2 (TCK/PCINT18)
PC1 (SDA/PCINT17)
PC0 (SCL/PCINT16)
PD7 (OC2A/PCINT31)
PDIP
PA4 (ADC4/PCINT4)
PA5 (ADC5/PCINT5)
PA6 (ADC6/PCINT6)
PA7 (ADC7/PCINT7)
AREF
GND
AVCC
PC7 (TOSC2/PCINT23)
PC6 (TOSC1/PCINT22)
PC5 (TDI/PCINT21)
PC4 (TDO/PCINT20)
(PCINT13/MOSI) PB5
(PCINT14/MISO) PB6
(PCINT15/SCK) PB7
RESET
VCC
GND
XTAL2
XTAL1
(PCINT24/RXD0) PD0
(PCINT25/TXD0) PD1
(PCINT26/RXD1/INT0) PD2
(PCINT27/TXD1/INT1) PD3
(PCINT28/XCK1/OC1B) PD4
(PCINT29/OC1A) PD5
(PCINT30/OC2B/ICP) PD6
(PCINT31/OC2A) PD7
VCC
GND
(PCINT16/SCL) PC0
(PCINT17/SDA) PC1
(PCINT18/TCK) PC2
(PCINT19/TMS) PC3
PB4 (SS/OC0B/PCINT12)
PB3 (AIN1/OC0A/PCINT11)
PB2 (AIN0/INT2/PCINT10)
PB1 (T1/CLKO/PCINT9)
PB0 (XCK0/T0/PCINT8)
GND
VCC
PA0 (ADC0/PCINT0)
PA1 (ADC1/PCINT1)
PA2 (ADC2/PCINT2)
PA3 (ADC3/PCINT3)
TQFP/VQFN/QFN/MLF