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XMEGA C3 [DATASHEET]
8492F–AVR–07/2013
29.2
Alternate Pin Functions
The tables below show the primary/default function for each pin on a port in the first column, the pin number in the
second column, and then all alternate pin functions in the remaining columns. The head row shows what peripheral that
enable and use the alternate pin functions.
For better flexibility, some alternate functions also have selectable pin locations for their functions, this is noted under the
first table where this apply.
Table 29-1. Port A - Alternate functions.
Table 29-2. Port B - Alternate functions.
PORT A
PIN #
INTERRUPT
ADCA POS/
GAINPOS
ADCA NEG
ADCA
GAINNEG
ACA POS
ACA NEG
ACA OUT
REFA
GND
60
AVCC
61
PA0
62
SYNC
ADC0
AC0
AREFA
PA1
63
SYNC
ADC1
AC1
PA2
64
SYNC/ASYNC
ADC2
AC2
PA3
1
SYNC
ADC3
AC3
PA4
2
SYNC
ADC4
AC4
PA5
3
SYNC
ADC5
AC5
PA6
4
SYNC
ADC6
AC6
AC1OUT
PA7
5
SYNC
ADC7
AC7
AC0OUT
PORT B
PIN #
INTERRUPT
ADCA POS
REFB
PB0
6
SYNC
ADC8
AREFB
PB1
6
SYNC
ADC9
PB2
8
SYNC/ASYNC
ADC10
PB3
9
SYNC
ADC11
PB4
10
SYNC
ADC12
PB5
11
SYNC
ADC13
PB6
12
SYNC
ADC14
PB7
13
SYNC
ADC15
GND
14
VCC
15