ATXMEGA256A3B_10 Datasheet, PDF (52/105 Pages) ATMEL Corporation – 8/16-bit XMEGA A3B Microcontroller

XMEGA A3B
30.2 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.
Table 30-1. Port A - Alternate functions
PORT A
GND
AVCC
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PIN #
INTERRUPT
60
61
62
SYNC
63
SYNC
64
SYNC/ASYNC
1
SYNC
2
SYNC
3
SYNC
4
SYNC
5
SYNC
ADCA
POS
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADCA
NEG
ADC0
ADC1
ADC2
ADC3
ADCA
GAINPOS
ADCA
GAINNEG
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADC4
ADC5
ADC6
ADC7
ACA
POS
AC0
AC1
AC2
AC3
AC4
AC5
AC6
ACA
NEG
ACA
OUT
REFA
AC0
AREF
AC1
AC3
AC5
AC7
AC0OUT
Table 30-2. Port B - Alternate functions
PORT B
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PIN #
INTERRUPT
6
SYNC
7
SYNC
8
SYNC/ASYNC
9
SYNC
10
SYNC
11
SYNC
12
SYNC
13
SYNC
ADCB
POS
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADCB
NEG
ADC0
ADC1
ADC2
ADC3
ADCB
GAINPOS
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADCB
GAINNEG
ADC4
ADC5
ADC6
ADC7
ACB
POS
AC0
AC1
AC2
AC3
AC4
AC5
AC6
ACB
NEG
AC0
AC1
AC3
AC5
AC7
ACB
OUT
DACB
REFB
JTAG
AREF
DAC0
DAC1
AC0OUT
TMS
TDI
TCK
TDO
Table 30-3. Port C - Alternate functions
PORT C
GND
VCC
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PIN #
14
15
16
17
18
19
20
21
22
23
INTERRUPT
SYNC
SYNC
SYNC/ASYNC
SYNC
SYNC
SYNC
SYNC
SYNC
TCC0
OC0A
OC0B
OC0C
OC0D
AWEXC
OC0ALS
OC0AHS
OC0BLS
OC0BHS
OC0CLS
OC0CHS
OC0DLS
OC0DHS
TCC1
USARTC0
USARTC1
OC1A
OC1B
XCK0
RXD0
TXD0
XCK1
RXD1
TXD1
SPIC
SS
MOSI
MISO
SCK
TWIC
CLOCKOUT EVENTOUT
SDA/SDA_IN
SCL/SCL_IN
SDA_OUT
SCL_OUT
CLKOUT
EVOUT
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