Atmel ATmega16/32/64/M1/C1
Table 1-1.
QFN32 Pin
Number
Pin out description (Continued)
Mnemonic
Type
Name, Function and Alternate Function
TXD (UART Tx data)
TXLIN (LIN Transmit Output)
OC0A (Timer 0 Output Compare A)
SS (SPI Slave Select)
MOSI_A (Programming & alternate Master Out SPI Slave In)
PCINT19 (Pin Change Interrupt 19)
ADC1 (Analog Input Channel 1)
RXD (UART Rx data)
RXLIN (LIN Receive Input)
ICP1A (Timer 1 input capture alternate A input)
SCK_A (Programming & alternate SPI Clock)
PCINT20 (Pin Change Interrupt 20)
ADC2 (Analog Input Channel 2)
ACMP2 (Analog Comparator 2 Positive Input)
PCINT21 (Pin Change Interrupt 21)
ADC3 (Analog Input Channel 3)
ACMPN2 (Analog Comparator 2 Negative Input)
INT0 (External Interrupt 0 Input)
PCINT22 (Pin Change Interrupt 22)
ACMP0 (Analog Comparator 0 Positive Input)
PCINT23 (Pin Change Interrupt 23)
RESET (Reset Input)
OCD (On Chip Debug I/O)
PCINT24 (Pin Change Interrupt 24)
XTAL1 (XTAL Input)
OC0B (Timer 0 Output Compare B)
PCINT25 (Pin Change Interrupt 25)
XTAL2 (XTAL Output)
ADC0 (Analog Input Channel 0)
PCINT26 (Pin Change Interrupt 26)
2
PD3
I/O
12
PD4
I/O
13
PD5
I/O
14
PD6
I/O
15
PD7
I/O
31
PE0
I/O or I
10
PE1
I/O
11
PE2
I/O
Note:
1. On the first engineering samples (Parts marked AT90PWM324), the ACMPN3 alternate func-
tion is not located on PC4. It is located on PE2.
7
7647ES–AVR–07/12
ATMEL [ ATMEL CORPORATION ]
