Atmel Xplained Evaluation Board AT32UC3L0-XPLD AT32UC3L0-XPLD Data Sheet
Product codes
AT32UC3L0-XPLD
9
32099G–06/2011
AT32UC3L016/32/64
3.2
Peripheral Multiplexing on I/O lines
3.2.1
Multiplexed signals
Each GPIO line can be assigned to one of the peripheral functions.The following table describes
the peripheral signals multiplexed to the GPIO lines.
the peripheral signals multiplexed to the GPIO lines.
Table 3-1.
GPIO Controller Function Multiplexing
48-
pin
pin
PIN
G
P
I
O
Supply
Pin
Type
GPIO Function
A
B
C
D
E
F
G
H
11
PA00
0
VDDIO
Normal
I/O
USART0
TXD
USART1
RTS
SPI
NPCS[2]
PWMA
PWMA[0]
SCIF
GCLK[0]
CAT
CSA[2]
14
PA01
1
VDDIO
Normal
I/O
USART0
RXD
USART1
CTS
SPI
NPCS[3]
USART1
CLK
PWMA
PWMA[1]
ACIFB
ACAP[0]
TWIMS0
TWALM
CAT
CSA[1]
13
PA02
2
VDDIO
High-
drive I/O
USART0
RTS
ADCIFB
TRIGGER
USART2
TXD
TC0
A0
PWMA
PWMA[2]
ACIFB
ACBP[0]
USART0
CLK
CAT
CSA[3]
4
PA03
3
VDDIO
Normal
I/O
USART0
CTS
SPI
NPCS[1]
USART2
TXD
TC0
B0
PWMA
PWMA[3]
ACIFB
ACBN[3]
USART0
CLK
CAT
CSB[3]
28
PA04
4
VDDIO
Normal
I/O
SPI
MISO
TWIMS0
TWCK
USART1
RXD
TC0
B1
PWMA
PWMA[4]
ACIFB
ACBP[1]
CAT
CSA[7]
12
PA05
5
VDDIO
Normal
I/O (TWI)
SPI
MOSI
TWIMS1
TWCK
USART1
TXD
TC0
A1
PWMA
PWMA[5]
ACIFB
ACBN[0]
TWIMS0
TWD
CAT
CSB[7]
10
PA06
6
VDDIO
High-
drive I/O,
5V
tolerant
SPI
SCK
USART2
TXD
USART1
CLK
TC0
B0
PWMA
PWMA[6]
SCIF
GCLK[1]
CAT
CSB[1]
15
PA07
7
VDDIO
Normal
I/O (TWI)
SPI
NPCS[0]
USART2
RXD
TWIMS1
TWALM
TWIMS0
TWCK
PWMA
PWMA[7]
ACIFB
ACAN[0]
EIC
EXTINT[0]
CAT
CSB[2]
3
PA08
8
VDDIO
High-
drive I/O
USART1
TXD
SPI
NPCS[2]
TC0
A2
ADCIFB
ADP[0]
PWMA
PWMA[8]
CAT
CSA[4]
2
PA09
9
VDDIO
High-
drive I/O
USART1
RXD
SPI
NPCS[3]
TC0
B2
ADCIFB
ADP[1]
PWMA
PWMA[9]
SCIF
GCLK[2]
EIC
EXTINT[1]
CAT
CSB[4]
46
PA10
10
VDDIO
Normal
I/O
TWIMS0
TWD
TC0
A0
PWMA
PWMA[10]
ACIFB
ACAP[1]
SCIF
GCLK[2]
CAT
CSA[5]
27
PA11
11
VDDIN
Normal
I/O
PWMA
PWMA[11]
47
PA12
12
VDDIO
Normal
I/O
ADCIFB
PRND
USART2
CLK
TC0
CLK1
CAT
SMP
PWMA
PWMA[12]
ACIFB
ACAN[1]
SCIF
GCLK[3]
CAT
CSB[5]
26
PA13
13
VDDIN
Normal
I/O
GLOC
OUT[0]
GLOC
IN[7]
TC0
A0
SCIF
GCLK[2]
PWMA
PWMA[13]
CAT
SMP
EIC
EXTINT[2]
CAT
CSA[0]
36
PA14
14
VDDIO
Normal
I/O
ADCIFB
AD[0]
TC0
CLK2
USART2
RTS
CAT
SMP
PWMA
PWMA[14]
SCIF
GCLK[4]
CAT
CSA[6]
37
PA15
15
VDDIO
Normal
I/O
ADCIFB
AD[1]
TC0
CLK1
GLOC
IN[6]
PWMA
PWMA[15]
CAT
SYNC
EIC
EXTINT[3]
CAT
CSB[6]
38
PA16
16
VDDIO
Normal
I/O
ADCIFB
AD[2]
TC0
CLK0
GLOC
IN[5]
PWMA
PWMA[16]
ACIFB
ACREFN
EIC
EXTINT[4]
CAT
CSA[8]
39
PA17
17
VDDIO
Normal
I/O (TWI)
TC0
A1
USART2
CTS
TWIMS1
TWD
PWMA
PWMA[17]
CAT
SMP
CAT
DIS
CAT
CSB[8]
41
PA18
18
VDDIO
Normal
I/O
ADCIFB
AD[4]
TC0
B1
GLOC
IN[4]
PWMA
PWMA[18]
CAT
SYNC
EIC
EXTINT[5]
CAT
CSB[0]