Datasheet
32-pin TQFP/ QFN/ MLF Pin # 40-pin PDIP Pin # PAD EXTINT PCINT ADC/AC OSC T/C # 0 T/C # 1 USART I2C SPI JTAG
35 38 PA[2] PCINT2 ADC2
36 39 PA[1] PCINT1 ADC1
37 40 PA[0] PCINT0 ADC0
38 - VCC SDA1
39 - GND SCL1
40 1 PB[0] PCINT8 T0 XCK0
41 2 PB[1] PCINT9 CLKO T1
42 3 PB[2] INT2 PCINT10 AIN0
43 4 PB[3] PCINT11 AIN1 OC0A
44 5 PB[4] PCINT12 OC0B SS
- - GND
- - GND
- - GND
- - GND
- - GND
Atmel ATmega1284P [DATASHEET]
Atmel-42719C-ATmega1284P_Datasheet_Summary-10/2016
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