ATXMEGA256A3U Datasheet, PDF (55/116 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A3U Microcontroller

Table 31-6. Port F - Alternate functions
PORT F
PF0
PF1
PF2
PF3
PF4
PF5
GND
VCC
PF6
PF7
PIN #
46
47
48
49
50
51
52
53
54
53
INTERRUPT
SYNC
SYNC
SYNC/ASYNC
SYNC
SYNC
SYNC
SYNC
SYNC
TCF0
OC0A
OC0B
OC0C
OC0D
Table 31-7. Port R- Alternate functions
PORT R
PDI
RESET
PRO
PR1
PIN #
56
57
58
59
INTERRUPT
SYNC
SYNC
PDI
PDI_DATA
PDI_CLOCK
XMEGA A3U
USARTF0
XCK0
RXD0
TXD0
XTAL
XTAL2
XTAL1
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8386A–AVR–07/11