XMEGA D3
27.2
Alternate Pin Functions
The tables below show the main and alternate pin functions for all pins on each port. They also
show which peripheral that makes use of or enables the alternate pin function.
Table 27-1. Port A - Alternate functions
PORT A
GND
AVCC
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PIN #
60
61
62
63
64
1
2
3
4
5
INTERRUPT
SYNC
SYNC
SYNC/ASYNC
SYNC
SYNC
SYNC
SYNC
SYNC
ADCA POS
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADCA NEG
ADC0
ADC1
ADC2
ADC3
ADAA
GAINPOS
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADCA
GAINNEG
ADC4
ADC5
ADC6
ADC7
ACA POS
AC0
AC1
AC2
AC3
AC4
AC5
AC6
ACA NEG
AC0
AC1
AC3
AC5
AC7
ACA OUT
AC0 OUT
REFA
AREFA
Table 27-2. Port B - Alternate functions
PORT B
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
GND
VCC
PIN #
6
6
8
9
10
11
12
13
14
15
INTERRUPT
SYNC
SYNC
SYNC/ASYNC
SYNC
SYNC
SYNC
SYNC
SYNC
ADCA POS
ADC8
ADC9
ADC10
ADC11
ADC12
ADC13
ADC14
ADC15
REFB
AREFB
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