Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
27
42023E–SAM–07/2013
ATSAM4L8/L4/L2
Table 3-4.
48-pin GPIO Controller Function Multiplexing (Sheet 1 of 2)
AT
S
A
M
4
L
C
AT
S
A
M
4
L
S
Pin
GPIO
Supp
ly
GPIO Functions
A
B
C
D
E
F
G
1
1
PA00
0
VDDIO
2
2
PA01
1
VDDIO
3
3
PA02
2
VDDIN
SCIF
GCLK0
SPI
NPCS0
CATB
DIS
10
10
PA03
3
VDDIN
SPI
MISO
11
11
PA04
4
VDDANA
ADCIFE
AD0
USART0
CLK
EIC
EXTINT2
GLOC
IN1
CATB
SENSE0
12
12
PA05
5
VDDANA
ADCIFE
AD1
USART0
RXD
EIC
EXTINT3
GLOC
IN2
ADCIFE
TRIGGER
CATB
SENSE1
15
15
PA06
6
VDDANA
DACC
VOUT
USART0
RTS
EIC
EXTINT1
GLOC
IN0
ACIFC
ACAN0
CATB
SENSE2
16
16
PA07
7
VDDANA
ADCIFE
AD2
USART0
TXD
EIC
EXTINT4
GLOC
IN3
ACIFC
ACAP0
CATB
SENSE3
20
20
PA08
8
LCDA
USART0
RTS
TC0
A0
PEVC
PAD EVT0
GLOC
OUT0
LCDCA
SEG23
CATB
SENSE4
21
21
PA09
9
LCDA
USART0
CTS
TC0
B0
PEVC
PAD EVT1
PARC
PCDATA0
LCDCA
COM3
CATB
SENSE5
22
22
PA10
10
LCDA
USART0
CLK
TC0
A1
PEVC
PAD EVT2
PARC
PCDATA1
LCDCA
COM2
CATB
SENSE6
23
23
PA11
11
LCDA
USART0
RXD
TC0
B1
PEVC
PAD EVT3
PARC
PCDATA2
LCDCA
COM1
CATB
SENSE7
24
24
PA12
12
LCDA
USART0
TXD
TC0
A2
PARC
PCDATA3
LCDCA
COM0
CATB
DIS
32
32
PA13
13
LCDA
USART1
RTS
TC0
B2
SPI
NPCS1
PARC
PCDATA4
LCDCA
SEG5
CATB
SENSE8
33
33
PA14
14
LCDA
USART1
CLK
TC0
CLK0
SPI
NPCS2
PARC
PCDATA5
LCDCA
SEG6
CATB
SENSE9
34
34
PA15
15
LCDA
USART1
RXD
TC0
CLK1
SPI
NPCS3
PARC
PCDATA6
LCDCA
SEG7
CATB
SENSE10
35
35
PA16
16
LCDA
USART1
TXD
TC0
CLK2
EIC
EXTINT1
PARC
PCDATA7
LCDCA
SEG8
CATB
SENSE11
36
36
PA17
17
LCDA
USART2
RTS
ABDACB
DAC0
EIC
EXTINT2
PARC
PCCK
LCDCA
SEG9
CATB
SENSE12
37
37
PA18
18
LCDA
USART2
CLK
ABDACB
DACN0
EIC
EXTINT3
PARC
PCEN1
LCDCA
SEG18
CATB
SENSE13
38
38
PA19
19
LCDA
USART2
RXD
ABDACB
DAC1
EIC
EXTINT4
PARC
PCEN2
SCIF
GCLK0
LCDCA
SEG19
CATB
SENSE14
39
39
PA20
20
LCDA
USART2
TXD
ABDACB
DACN1
EIC
EXTINT5
GLOC
IN0
SCIF
GCLK1
LCDCA
SEG20
CATB
SENSE15
41
41
PA21
21
LCDC
SPI
MISO
USART1
CTS
EIC
EXTINT6
GLOC
IN1
TWIM2
TWD
LCDCA
SEG34
CATB
SENSE16
42
42
PA22
22
LCDC
SPI
MOSI
USART2
CTS
EIC
EXTINT7
GLOC
IN2
TWIM2
TWCK
LCDCA
SEG35
CATB
SENSE17
43
43
PA23
23
LCDC
SPI
SCK
TWIMS0
TWD
EIC
EXTINT8
GLOC
IN3
SCIF
GCLK IN0
LCDCA
SEG38
CATB
DIS