Datasheet

51
8069R–AVR–06/2013
XMEGA A4
Not recommended for new designs -
Use XMEGA A4U series
30.2 Alternate Pin Functions
The tables below shows the main and alternate pin functions for all pins on each port. It also
shows which peripheral which make use of or enable the alternate pin function.
Table 30-1. Port A - Alternate functions
PORTA PIN # INTERRUPT ADCA POS ADCA NEG
ADCA
GAINPOS
ADCA
GAINNEG ACA POS ACA NEG ACA OUT REF
GND 38
AVCC 39
PA0 40 SYNC ADC0 ADC0 ADC0 AC0 AC0 AREF
PA1 41 SYNC ADC1 ADC1 ADC1 AC1 AC1
PA2 42 SYNC/ASYNC ADC2 ADC2 ADC2 AC2
PA3 43 SYNC ADC3 ADC3 ADC3 AC3 AC3
PA4 44 SYNC ADC4 ADC4 ADC4 AC4
PA5 1 SYNC ADC5 ADC5 ADC5 AC5 AC5
PA6 2 SYNC ADC6 ADC6 ADC6 AC6
PA7 3 SYNC ADC7 ADC7 ADC7 AC7 AC0 OUT
Table 30-2. Port B - Alternate functions
PORTB PIN # INTERRUPT ADCA POS DACB REF
PB0 4SYNCADC8 AREF
PB1 5SYNCADC9
PB2 6 SYNC/ASYNC ADC10 DAC0
PB3 7 SYNC ADC11 DAC1
Table 30-3. Port C - Alternate functions
PORTC PIN # INTERRUPT TCC0 AWEXC TCC1 USARTC0 USARTC1 SPI TWIC CLOCKOUT EVENTOUT
GND 8
VCC 9
PC0 10 SYNC OC0A OC0ALS SDA
PC1 11 SYNC OC0B OC0AHS XCK0 SCL
PC2 12 SYNC/ASYNC OC0C OC0BLS RXD0
PC3 13 SYNC OC0D OC0BHS TXD0
PC4 14 SYNC OC0CLS OC1A SS
PC5 15 SYNC OC0CHS OC1B XCK1 MOSI
PC6 16 SYNC OC0DLS RXD1 MISO
PC7 17 SYNC OC0DHS TXD1 SCK CLKOUT EVOUT