Datasheet

1.1. Pin descriptions
Table 1-1. Pinout description.
QFN32 pin
number
Mnemonic Type Name, function, and alternate function
5 GND Power Ground: 0V reference
20 AGND Power Analog ground: 0V reference for analog part
4 VCC Power Power supply
19 AVCC Power Analog power supply: This is the power supply voltage for analog part
For a normal use this pin must be connected
21 AREF Power Analog reference: reference for analog converter . This is the reference
voltage of the A/D converter. As output, can be used by external analog
ISRC (Current Source Output)
8 PB0 I/O MISO (SPI Master In Slave Out)
PSCOUT2A
(1)
(PSC Module 2 Output A)
PCINT0 (Pin Change Interrupt 0)
9 PB1 I/O MOSI (SPI Master Out Slave In)
PSCOUT2B
(1)
(PSC Module 2 Output B)
PCINT1 (Pin Change Interrupt 1)
16 PB2 I/O ADC5 (Analog Input Channel 5)
INT1 (External Interrupt 1 Input)
ACMPN0 (Analog Comparator 0 Negative Input)
PCINT2 (Pin Change Interrupt 2)
23 PB3 I/O AMP0- (Analog Differential Amplifier 0 Negative Input)
PCINT3 (Pin Change Interrupt 3)
24 PB4 I/O AMP0+ (Analog Differential Amplifier 0 Positive Input)
PCINT4 (Pin Change Interrupt 4)
26 PB5 I/O ADC6 (Analog Input Channel 6)
INT2 (External Interrupt 2 Input)
ACMPN1 (Analog Comparator 1 Negative Input)
AMP2- (Analog Differential Amplifier 2 Negative Input)
PCINT5 (Pin Change Interrupt 5)
27 PB6 I/O ADC7 (Analog Input Channel 7)
PSCOUT1B
(1)
(PSC Module 1 Output A)
PCINT6 (Pin Change Interrupt 6)
Atmel ATmega16M1/32M1/64M1 [DATASHEET]
Atmel-8209F-ATmega16M1/32M1/64M1_Datasheet_Complete-10/2016
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