Datasheet

28
42023GS–SAM–03/2014
ATSAM4L8/L4/L2
Table 3-4. 48-pin GPIO Controller Function Multiplexing (Sheet 1 of 2)
ATSAM4LC
ATSAM4LS
Pin
GPIO
Supply
GPIO Functions
ABCDEFG
1 1 PA00 0 VDDIO
2 2 PA01 1 VDDIO
3 3 PA02 2 VDDIN
S C I F
GCLK0
S P I
NPCS0
C AT B
DIS
10 10 PA03 3 VDDIN
S P I
MISO
11 11 PA04 4 VDDANA
A D C I F E
AD0
U S A R T 0
CLK
E I C
EXTINT2
G L O C
IN1
C AT B
SENSE0
12 12 PA05 5 VDDANA
A D C I F E
AD1
U S A R T 0
RXD
E I C
EXTINT3
G L O C
IN2
A D C I F E
TRIGGER
C AT B
SENSE1
15 15 PA06 6 VDDANA
D A C C
VOUT
U S A R T 0
RTS
E I C
EXTINT1
G L O C
IN0
A C I F C
ACAN0
C AT B
SENSE2
16 16 PA07 7 VDDANA
A D C I F E
AD2
U S A R T 0
TXD
E I C
EXTINT4
G L O C
IN3
A C I F C
ACAP0
C AT B
SENSE3
20 20 PA08 8 LCDA
U S A R T 0
RTS
T C 0
A0
PEVC
PAD EVT0
G L O C
OUT0
L C D C A
SEG23
C AT B
SENSE4
21 21 PA09 9 LCDA
U S A R T 0
CTS
T C 0
B0
PEVC
PAD EVT1
PARC
PCDATA0
L C D C A
COM3
C AT B
SENSE5
22 22 PA10 10 LCDA
U S A R T 0
CLK
T C 0
A1
PEVC
PAD EVT2
PARC
PCDATA1
L C D C A
COM2
C AT B
SENSE6
23 23 PA11 11 LCDA
U S A R T 0
RXD
T C 0
B1
PEVC
PAD EVT3
PARC
PCDATA2
L C D C A
COM1
C AT B
SENSE7
24 24 PA12 12 LCDA
U S A R T 0
TXD
T C 0
A2
PARC
PCDATA3
L C D C A
COM0
C AT B
DIS
32 32 PA13 13 LCDA
U S A R T 1
RTS
T C 0
B2
S P I
NPCS1
PARC
PCDATA4
L C D C A
SEG5
C AT B
SENSE8
33 33 PA14 14 LCDA
U S A R T 1
CLK
T C 0
CLK0
S P I
NPCS2
PARC
PCDATA5
L C D C A
SEG6
C AT B
SENSE9
34 34 PA15 15 LCDA
U S A R T 1
RXD
T C 0
CLK1
S P I
NPCS3
PARC
PCDATA6
L C D C A
SEG7
C AT B
SENSE10
35 35 PA16 16 LCDA
U S A R T 1
TXD
T C 0
CLK2
E I C
EXTINT1
PARC
PCDATA7
L C D C A
SEG8
C AT B
SENSE11
36 36 PA17 17 LCDA
U S A R T 2
RTS
A B D A C B
DAC0
E I C
EXTINT2
PARC
PCCK
L C D C A
SEG9
C AT B
SENSE12
37 37 PA18 18 LCDA
U S A R T 2
CLK
A B D A C B
DACN0
E I C
EXTINT3
PARC
PCEN1
L C D C A
SEG18
C AT B
SENSE13
38 38 PA19 19 LCDA
U S A R T 2
RXD
A B D A C B
DAC1
E I C
EXTINT4
PARC
PCEN2
S C I F
GCLK0
L C D C A
SEG19
C AT B
SENSE14
39 39 PA20 20 LCDA
U S A R T 2
TXD
A B D A C B
DACN1
E I C
EXTINT5
G L O C
IN0
S C I F
GCLK1
L C D C A
SEG20
C AT B
SENSE15
41 41 PA21 21 LCDC
S P I
MISO
U S A R T 1
CTS
E I C
EXTINT6
G L O C
IN1
T W I M 2
TWD
L C D C A
SEG34
C AT B
SENSE16
42 42 PA22 22 LCDC
S P I
MOSI
U S A R T 2
CTS
E I C
EXTINT7
G L O C
IN2
T W I M 2
TWCK
L C D C A
SEG35
C AT B
SENSE17
43 43 PA23 23 LCDC
S P I
SCK
T W I M S 0
TWD
E I C
EXTINT8
G L O C
IN3
S C I F
GCLK IN0
L C D C A
SEG38
C AT B
DIS