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| ATXMEGA128A4U-AU Datasheet, PDF (54/121 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A4U Microcontroller | |||
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XMEGA A4U
Table 31-3. Port C - Alternate functions
PORT C PIN #
INTERRUPT
TCC0(1)
AWEXC
GND
8
VCC
9
PC0
10
SYNC
OC0A
OC0ALS
PC1
11
SYNC
OC0B
OC0AHS
PC2
12
SYNC/ASYNC
OC0C
OC0BLS
PC3
13
SYNC
OC0D
OC0BHS
PC4
14
SYNC
OC0CLS
PC5
15
SYNC
OC0CHS
PC6
16
SYNC
OC0DLS
PC7
17
SYNC
OC0DHS
TCC1
USARTC0(2)
USARTC1
OC1A
OC1B
XCK0
RXD0
TXD0
XCK1
RXD1
TXD1
SPIC(3)
SS
MOSI
MISO
SCK
Notes:
1. Pin mapping of all TC0 can optionally be moved to high nibble of port.
2. Pin mapping of all USART0 can optionally be moved to high nibble of port.
3. Pins MOSI and SCK for all SPI can optionally be swapped.
4. CLKOUT can optionally be moved between port C, D and E and between pin 4 and 7.
5. EVOUT can optionally be moved between port C, D and E and between pin 4 and 7.
TWIC
SDA
SCL
CLOCKOUT(4)
EVENTOUT(5)
clkRTC
clkPER
EVOUT
Table 31-4. Port D - Alternate functions
PORT D
GND
VCC
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PIN #
18
19
20
21
22
23
24
25
26
27
INTERRUPT
SYNC
SYNC
SYNC/ASYNC
SYNC
SYNC
SYNC
SYNC
SYNC
TCD0
OC0A
OC0B
OC0C
OC0D
TCD1
OC1A
OC1B
USBD
USARTD0
USARTD1
SPID
CLOCKOUT
EVENTOUT
XCK0
RXD0
TXD0
SS
XCK1
MOSI
D-
RXD1
MISO
D+
TXD1
SCK
clkPER
EVOUT
Table 31-5. Port E - Alternate functions
PORT E
PE0
PE1
GND
VCC
PE2
PE3
PIN #
28
29
30
31
32
33
INTERRUPT
SYNC
SYNC
SYNC/ASYNC
SYNC
TCE0
OC0A
OC0B
OC0C
OC0D
USARTE0
XCK0
RXD0
TXD0
TWIE
SDA
SCL
54
8387AâAVRâ07/11
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